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<title>A2OJ Category: DFS &amp; BFS &amp; Dijkstra</title>
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<b>
<u>
DFS &amp; BFS &amp; Dijkstra problems</u></b></font><br/><br/>
<table>
<tr>
<th></th>
<th>Problem Name</th>
<th>Online Judge</th>
<th>Year</th>
<th>Contest</th>
<th>Difficulty Level</th>
</tr>
<tr>
<td>1</td>
<td><a href="http://www.spoj.com/problems/BENEFACT/" target="_blank">The Benefactor</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>2</td>
<td><a href="http://www.spoj.com/problems/BITMAP/" target="_blank">Bitmap</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>3</td>
<td><a href="http://www.spoj.com/problems/BYTESE1/" target="_blank">Lucius Dungeon</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>4</td>
<td><a href="http://www.spoj.com/problems/CATM/" target="_blank">The Cats and the Mouse</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>5</td>
<td><a href="http://www.spoj.com/problems/CERC07K/" target="_blank">Key Task</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>6</td>
<td><a href="http://www.spoj.com/problems/CHICAGO/" target="_blank">106 miles to Chicago</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>7</td>
<td><a href="http://www.spoj.com/problems/CLEANRBT/" target="_blank">Cleaning Robot</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>8</td>
<td><a href="http://www.spoj.com/problems/HIGHWAYS/" target="_blank">Highways</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>9</td>
<td><a href="http://www.spoj.com/problems/INCARDS/" target="_blank">Invitation Cards</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>10</td>
<td><a href="http://www.spoj.com/problems/LABYR1/" target="_blank">Labyrinth</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>11</td>
<td><a href="http://www.spoj.com/problems/MICEMAZE/" target="_blank">Mice and Maze</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>12</td>
<td><a href="http://www.spoj.com/problems/MLASERP/" target="_blank">Laser Phones</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>13</td>
<td><a href="http://www.spoj.com/problems/ONEZERO/" target="_blank">Ones and zeros</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>14</td>
<td><a href="http://www.spoj.com/problems/POUR1/" target="_blank">Pouring water</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>15</td>
<td><a href="http://www.spoj.com/problems/PPATH/" target="_blank">Prime Path</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>16</td>
<td><a href="http://www.spoj.com/problems/PT07X/" target="_blank">Vertex Cover</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>17</td>
<td><a href="http://www.spoj.com/problems/PT07Y/" target="_blank">Is it a tree</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>18</td>
<td><a href="http://www.spoj.com/problems/PT07Z/" target="_blank">Longest path in a tree</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>19</td>
<td><a href="http://www.spoj.com/problems/SAMER08A/" target="_blank">Almost Shortest Path</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>20</td>
<td><a href="http://www.spoj.com/problems/SHOP/" target="_blank">Shopping</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>21</td>
<td><a href="http://www.spoj.com/problems/SHPATH/" target="_blank">The Shortest Path</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>22</td>
<td><a href="http://www.spoj.com/problems/TOE1/" target="_blank">Tic-Tac-Toe ( I )</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>23</td>
<td><a href="http://www.spoj.com/problems/TOE2/" target="_blank">Tic-Tac-Toe ( II )</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>24</td>
<td><a href="http://www.spoj.com/problems/BUGLIFE/" target="_blank">A Bug&amp;#8217;s Life</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>25</td>
<td><a href="http://www.spoj.com/problems/TRAFFICN/" target="_blank">Traffic Network</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>26</td>
<td><a href="http://www.spoj.com/problems/MKJUMPS/" target="_blank">Making Jumps</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>27</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=870" target="_blank">Number Maze</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>28</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1742" target="_blank">Lift Hopping</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>29</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1927" target="_blank">Sending email</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>30</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=380" target="_blank">Knight Moves</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>31</td>
<td><a href="http://acm.timus.ru/problem.aspx?space=1&num=1409" target="_blank">Two Gangsters</a></td>
<td>Timus</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>32</td>
<td><a href="http://codeforces.com/problemset/problem/217/A" target="_blank">Ice Skating</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #134 (Div. 1) & Codeforces Round #134 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>33</td>
<td><a href="http://codeforces.com/problemset/problem/115/A" target="_blank">Party</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #87 (Div. 1 Only) & Codeforces Beta Round #87 (Div. 2 Only)</td>
<td>1</td>
</tr>
<tr>
<td>34</td>
<td><a href="http://codeforces.com/problemset/problem/20/C" target="_blank">Dijkstra?</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Alpha Round #20 (Codeforces format)</td>
<td>1</td>
</tr>
<tr>
<td>35</td>
<td><a href="http://codeforces.com/problemset/problem/3/A" target="_blank">Shortest path of the king</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #3</td>
<td>1</td>
</tr>
<tr>
<td>36</td>
<td><a href="http://www.spoj.com/problems/CSTREET/" target="_blank">Cobbled streets</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>37</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1887" target="_blank">You want what filled?</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>38</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=370" target="_blank">Word Transformation</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>39</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=762" target="_blank">Page Hopping</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>40</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=364" target="_blank">MPI Maelstrom</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>41</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=2035" target="_blank">Continents</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>42</td>
<td><a href="http://www.spoj.com/problems/CAM5/" target="_blank">prayatna PR</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>43</td>
<td><a href="http://www.spoj.com/problems/ABCPATH/" target="_blank">ABC Path</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>44</td>
<td><a href="https://icpcarchive.ecs.baylor.edu/index.php?option=onlinejudge&page=show_problem&problem=1808" target="_blank">Marble Game</a></td>
<td>Live Archive</td>
<td>2007</td>
<td>World Finals - Tokyo</td>
<td>1</td>
</tr>
<tr>
<td>45</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=272" target="_blank">A Node Too Far</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>46</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=473" target="_blank">Dungeon Master</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>47</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=508" target="_blank">Risk</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>48</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=703" target="_blank">We Ship Cheap</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>49</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=865" target="_blank">Spreading The News</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>50</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=950" target="_blank">All Roads Lead Where?</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>51</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1008" target="_blank">Playing with Wheels</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>52</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1594" target="_blank">Bombs! NO they are Mines!!</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>53</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=513" target="_blank">Oil Deposits</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>54</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=3104" target="_blank">Battleships</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>55</td>
<td><a href="http://www.spoj.com/problems/MAKEMAZE/" target="_blank">VALIDATE THE MAZE</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>56</td>
<td><a href="http://www.spoj.com/problems/CCHESS/" target="_blank">COSTLY CHESS</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>57</td>
<td><a href="http://www.spoj.com/problems/KOZE/" target="_blank">Sheep</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>58</td>
<td><a href="https://icpcarchive.ecs.baylor.edu/index.php?option=onlinejudge&page=show_problem&problem=1653" target="_blank">Lazy Jumping Frog</a></td>
<td>Live Archive</td>
<td>2006</td>
<td>Latin America - South America</td>
<td>1</td>
</tr>
<tr>
<td>59</td>
<td><a href="http://www.spoj.com/problems/WATER/" target="_blank">Water among Cubes</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>60</td>
<td><a href="http://www.spoj.com/problems/UCV2013H/" target="_blank">Slick</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>61</td>
<td><a href="http://www.spoj.com/problems/ROADS/" target="_blank">Roads</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>62</td>
<td><a href="http://www.spoj.com/problems/NAKANJ/" target="_blank">Minimum Knight moves !!!</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>63</td>
<td><a href="http://acm.tju.edu.cn/toj/showp1056.html" target="_blank">Labyrinth</a></td>
<td>TJU</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>64</td>
<td><a href="http://www.spoj.com/problems/EZDIJKST/" target="_blank">Easy Dijkstra Problem</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>65</td>
<td><a href="https://icpcarchive.ecs.baylor.edu/index.php?option=onlinejudge&page=show_problem&problem=4055" target="_blank">Unique Path</a></td>
<td>Live Archive</td>
<td>2012</td>
<td>Asia - Jakarta</td>
<td>1</td>
</tr>
<tr>
<td>66</td>
<td><a href="http://www.spoj.com/problems/FISHER/" target="_blank">Fishmonger</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>67</td>
<td><a href="http://www.spoj.com/problems/ALLIZWEL/" target="_blank">ALL IZZ WELL</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>68</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=251" target="_blank">Network</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>69</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=60" target="_blank">Following Orders</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>70</td>
<td><a href="http://poj.org/problem?id=2387" target="_blank">Til the Cows Come Home</a></td>
<td>PKU</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>71</td>
<td><a href="http://www.codechef.com/problems/DIGJUMP" target="_blank">Chef and Digit Jumps</a></td>
<td>CodeChef</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>72</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=2931" target="_blank">Sticker Collector Robot</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>73</td>
<td><a href="p?ID=326" target="_blank">Pizzas</a></td>
<td>A2 Online Judge</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>74</td>
<td><a href="http://codeforces.com/problemset/problem/520/B" target="_blank">Two Buttons</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #295 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>75</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=410" target="_blank">Wetlands of Florida</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>76</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1277" target="_blank">Rank the Languages</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>77</td>
<td><a href="http://codeforces.com/problemset/problem/277/A" target="_blank">Learning Languages</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #170 (Div. 1) & Codeforces Round #170 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>78</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=216" target="_blank">Vertex</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>79</td>
<td><a href="http://www.spoj.com/problems/HERDING/" target="_blank">Herding</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>80</td>
<td><a href="http://www.spoj.com/problems/ANARC05H/" target="_blank">Chop Ahoy! Revisited!</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>81</td>
<td><a href="http://codeforces.com/problemset/problem/580/C" target="_blank">Kefa and Park</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #321 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>82</td>
<td><a href="http://codeforces.com/problemset/problem/546/C" target="_blank">Soldier and Cards</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #304 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>83</td>
<td><a href="http://codeforces.com/problemset/problem/500/A" target="_blank">New Year Transportation</a></td>
<td>Codeforces</td>
<td></td>
<td>Good Bye 2014</td>
<td>1</td>
</tr>
<tr>
<td>84</td>
<td><a href="http://codeforces.com/problemset/problem/489/B" target="_blank">BerSU Ball</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #277.5 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>85</td>
<td><a href="http://codeforces.com/problemset/problem/445/A" target="_blank">DZY Loves Chessboard</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #254 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>86</td>
<td><a href="http://codeforces.com/problemset/problem/377/A" target="_blank">Maze</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #222 (Div. 1) & Codeforces Round #222 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>87</td>
<td><a href="http://codeforces.com/problemset/problem/266/B" target="_blank">Queue at the School</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #163 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>88</td>
<td><a href="http://www.spoj.com/problems/BRCKTS/" target="_blank">Brackets</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>89</td>
<td><a href="http://codeforces.com/problemset/problem/687/A" target="_blank">NP-Hard Problem</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #360 (Div. 1) & Codeforces Round #360 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>90</td>
<td><a href="http://acm.timus.ru/problem.aspx?space=1&num=1785" target="_blank">Lost in Localization</a></td>
<td>Timus</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>91</td>
<td><a href="http://acm.timus.ru/problem.aspx?space=1&num=1293" target="_blank">Eniya</a></td>
<td>Timus</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>92</td>
<td><a href="http://acm.timus.ru/problem.aspx?space=1&num=1001" target="_blank">Reverse Root</a></td>
<td>Timus</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>93</td>
<td><a href="http://acm.timus.ru/problem.aspx?space=1&num=1000" target="_blank">A+B Problem</a></td>
<td>Timus</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>94</td>
<td><a href="http://acm.timus.ru/problem.aspx?space=1&num=1877" target="_blank">Bicycle Codes</a></td>
<td>Timus</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>95</td>
<td><a href="p?ID=408" target="_blank">Nadia Team</a></td>
<td>A2 Online Judge</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>96</td>
<td><a href="http://codeforces.com/problemset/problem/281/A" target="_blank">Word Capitalization</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #172 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>97</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=54" target="_blank">Mutant Flatworld Explorers</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>98</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1057" target="_blank">Robot Motion</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>99</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=400" target="_blank">Graph Connectivity</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>100</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1393" target="_blank">Marcus</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>101</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=288" target="_blank">The Seasonal War</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>102</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1549" target="_blank">Friends</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>103</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=975" target="_blank">Freckles</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>104</td>
<td><a href="http://codeforces.com/problemset/problem/1/A" target="_blank">Theatre Square</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #1</td>
<td>1</td>
</tr>
<tr>
<td>105</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=167" target="_blank">Testing the CATCHER</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>106</td>
<td><a href="https://icpcarchive.ecs.baylor.edu/index.php?option=onlinejudge&page=show_problem&problem=4841" target="_blank">Intrepid climber</a></td>
<td>Live Archive</td>
<td>2014</td>
<td>Latin America</td>
<td>1</td>
</tr>
<tr>
<td>107</td>
<td><a href="http://www.spoj.com/problems/BRCKTS2/" target="_blank">Brackets II</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>108</td>
<td><a href="http://www.spoj.com/problems/CHMAZE/" target="_blank">Changing Maze</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>109</td>
<td><a href="http://www.spoj.com/problems/DISTANCE/" target="_blank">Manhattan</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>110</td>
<td><a href="http://www.spoj.com/problems/GONDOR/" target="_blank">GONDOR</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>111</td>
<td><a href="http://www.spoj.com/problems/LUCKYNUM/" target="_blank">Lucky Numbers</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>112</td>
<td><a href="http://www.spoj.com/problems/MELE3/" target="_blank">MELE3</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>113</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=646" target="_blank">Slash Maze</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>114</td>
<td><a href="http://www.spoj.com/problems/EQDIV/" target="_blank">Equidivisions</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>115</td>
<td><a href="http://www.spoj.com/problems/PYRA/" target="_blank">Treeramids</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>116</td>
<td><a href="http://www.spoj.com/problems/INUMBER/" target="_blank">Interesting number</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>117</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1219" target="_blank">Fire Station</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>118</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1544" target="_blank">Fill</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>119</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=2487" target="_blank">Babel</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>120</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=512" target="_blank">Jugs</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>121</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1112" target="_blank">Meeting Prof. Miguel...</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>122</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=2391" target="_blank">Claw Decomposition</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>123</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=2938" target="_blank">Come and Go</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>124</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=2458" target="_blank">Commandos</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>125</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=3053" target="_blank">Dominator</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>126</td>
<td><a href="https://icpcarchive.ecs.baylor.edu/index.php?option=onlinejudge&page=show_problem&problem=1134" target="_blank">Finding Nemo</a></td>
<td>Live Archive</td>
<td>2004</td>
<td>Asia - Beijing</td>
<td>2</td>
</tr>
<tr>
<td>127</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=726" target="_blank">Grid Colouring</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>128</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=250" target="_blank">Robot</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>129</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=319" target="_blank">Shipping Routes</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>130</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1900" target="_blank">The Party, Part I</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>131</td>
<td><a href="https://icpcarchive.ecs.baylor.edu/index.php?option=onlinejudge&page=show_problem&problem=884" target="_blank">Runner Pawns</a></td>
<td>Live Archive</td>
<td>2003</td>
<td>Latin America - South America</td>
<td>2</td>
</tr>
<tr>
<td>132</td>
<td><a href="http://www.spoj.com/problems/DCEPC706/" target="_blank">Meeting For Party</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>133</td>
<td><a href="http://acm.tju.edu.cn/toj/showp3517.html" target="_blank">The longest athletic track</a></td>
<td>TJU</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>134</td>
<td><a href="http://acm.tju.edu.cn/toj/showp1140.html" target="_blank">Dungeon Master</a></td>
<td>TJU</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>135</td>
<td><a href="http://acm.tju.edu.cn/toj/showp2033.html" target="_blank">Risk</a></td>
<td>TJU</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>136</td>
<td><a href="http://acm.tju.edu.cn/toj/showp3520.html" target="_blank">Step out of maze</a></td>
<td>TJU</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>137</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1341" target="_blank">Game Show Math</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>138</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1363" target="_blank">Knights in FEN</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>139</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=985" target="_blank">Erdos Numbers</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>140</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=3312" target="_blank">Unlock the Lock</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>141</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=2671" target="_blank">Fire!</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>142</td>
<td><a href="http://www.codechef.com/problems/MAXPR" target="_blank">Maxim and Progressions</a></td>
<td>CodeChef</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>143</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=2513" target="_blank">Dominos 2</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>144</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=812" target="_blank">Counting Cells in a Blob</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>145</td>
<td><a href="https://icpcarchive.ecs.baylor.edu/index.php?option=onlinejudge&page=show_problem&problem=973" target="_blank">A DP Problem</a></td>
<td>Live Archive</td>
<td>2003</td>
<td>Asia - Tehran</td>
<td>2</td>
</tr>
<tr>
<td>146</td>
<td><a href="https://www.urionlinejudge.com.br/judge/en/problems/view/1081" target="_blank">DFSr - Depth Hierarchy</a></td>
<td>URI</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>147</td>
<td><a href="http://www.spoj.com/problems/ESJAIL/" target="_blank">Escape from Jail</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>148</td>
<td><a href="http://codeforces.com/problemset/problem/574/B" target="_blank">Bear and Three Musketeers</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #318 [RussianCodeCup Thanks-Round] (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>149</td>
<td><a href="http://www.codechef.com/problems/REVERSE" target="_blank">Chef and Reversing</a></td>
<td>CodeChef</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>150</td>
<td><a href="http://codeforces.com/problemset/problem/601/A" target="_blank">The Two Routes</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #333 (Div. 1) & Codeforces Round #333 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>151</td>
<td><a href="http://codeforces.com/problemset/problem/522/A" target="_blank">Reposts</a></td>
<td>Codeforces</td>
<td></td>
<td>VK Cup 2015 - Qualification Round 1</td>
<td>2</td>
</tr>
<tr>
<td>152</td>
<td><a href="http://codeforces.com/problemset/problem/510/C" target="_blank">Fox And Names</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #290 (Div. 2) & Codeforces Round #290 (Div. 1)</td>
<td>2</td>
</tr>
<tr>
<td>153</td>
<td><a href="http://codeforces.com/problemset/problem/510/B" target="_blank">Fox And Two Dots</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #290 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>154</td>
<td><a href="http://codeforces.com/problemset/problem/506/D" target="_blank">Mr. Kitayuta's Colorful Graph</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #286 (Div. 1) & Codeforces Round #286 (Div. 2) & Codeforces Round #286 (Div. 1) & Codeforces Round #286 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>155</td>
<td><a href="http://codeforces.com/problemset/problem/500/B" target="_blank">New Year Permutation</a></td>
<td>Codeforces</td>
<td></td>
<td>Good Bye 2014</td>
<td>2</td>
</tr>
<tr>
<td>156</td>
<td><a href="http://codeforces.com/problemset/problem/475/B" target="_blank">Strongly Connected City</a></td>
<td>Codeforces</td>
<td></td>
<td>Bayan 2015 Contest Warm Up</td>
<td>2</td>
</tr>
<tr>
<td>157</td>
<td><a href="http://codeforces.com/problemset/problem/445/B" target="_blank">DZY Loves Chemistry</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #254 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>158</td>
<td><a href="http://codeforces.com/problemset/problem/441/C" target="_blank">Valera and Tubes </a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #252 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>159</td>
<td><a href="http://codeforces.com/problemset/problem/429/A" target="_blank">Xor-tree</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #245 (Div. 1) & Codeforces Round #245 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>160</td>
<td><a href="http://codeforces.com/problemset/problem/427/C" target="_blank">Checkposts</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #244 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>161</td>
<td><a href="http://pl.spoj.com/problems/DIJKSTRA/" target="_blank">Dijkstra</a></td>
<td>SPOJ Poland</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>162</td>
<td><a href="http://www.spoj.com/problems/KATHTHI/" target="_blank">KATHTHI</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>163</td>
<td><a href="p?ID=2" target="_blank">The Alphabet Sticker</a></td>
<td>A2 Online Judge</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>164</td>
<td><a href="http://www.spoj.com/problems/PRIMEZUK/" target="_blank">The Prime conjecture</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>165</td>
<td><a href="p?ID=195" target="_blank">The Great Coach, Fegla</a></td>
<td>A2 Online Judge</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>166</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=3553" target="_blank">Mice and Maze</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>167</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1318" target="_blank">Maze Traversal</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>168</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=3873" target="_blank">Forwarding Emails</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>169</td>
<td><a href="http://codeforces.com/problemset/problem/780/C" target="_blank">Andryusha and Colored Balloons</a></td>
<td>Codeforces</td>
<td></td>
<td>?????????? 2017 - ????? (?????? ??? ??????-??????????)</td>
<td>2</td>
</tr>
<tr>
<td>170</td>
<td><a href="http://codeforces.com/problemset/problem/735/C" target="_blank">Tennis Championship</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #382 (Div. 2) & Codeforces Round #382 (Div. 1)</td>
<td>2</td>
</tr>
<tr>
<td>171</td>
<td><a href="http://codeforces.com/problemset/problem/763/A" target="_blank">Timofey and a tree</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #395 (Div. 1) & Codeforces Round #395 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>172</td>
<td><a href="http://codeforces.com/problemset/problem/505/B" target="_blank">Mr. Kitayuta's Colorful Graph</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #286 (Div. 1) & Codeforces Round #286 (Div. 2) & Codeforces Round #286 (Div. 1) & Codeforces Round #286 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>173</td>
<td><a href="http://codeforces.com/problemset/problem/839/C" target="_blank">Journey</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #428 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>174</td>
<td><a href="http://www.spoj.com/problems/ANARC08A/" target="_blank">Tobo or not Tobo</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>175</td>
<td><a href="http://www.spoj.com/problems/CDOWN/" target="_blank">Countdown</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>176</td>
<td><a href="http://www.spoj.com/problems/CHASE1/" target="_blank">Chase</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>177</td>
<td><a href="http://www.spoj.com/problems/CIJEVI/" target="_blank">Cijevi</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>178</td>
<td><a href="http://www.spoj.com/problems/GALOU/" target="_blank">Galou is back!</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>179</td>
<td><a href="http://www.spoj.com/problems/QUEEN/" target="_blank">Wandering Queen</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>180</td>
<td><a href="http://www.spoj.com/problems/STSTRING/" target="_blank">Strings</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>181</td>
<td><a href="http://www.spoj.com/problems/MCLONUM/" target="_blank">Closest Number</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>182</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1210" target="_blank">Adventure of Super Mario</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>183</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1757" target="_blank">Travel in Desert</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>184</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1858" target="_blank">Walk Through the Forest</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>185</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=2352" target="_blank">Full Tank?</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>186</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=2369" target="_blank">Airport Express</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>187</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=2682" target="_blank">Hotel booking</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>188</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1400" target="_blank">The Tree Root</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>189</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=980" target="_blank">Railroads</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>190</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1351" target="_blank">Tree Reconstruction</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>191</td>
<td><a href="http://codeforces.com/problemset/problem/246/D" target="_blank">Colorful Graph</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #151 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>192</td>
<td><a href="http://codeforces.com/problemset/problem/219/D" target="_blank">Choosing Capital for Treeland</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #135 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>193</td>
<td><a href="http://codeforces.com/problemset/problem/103/B" target="_blank">Cthulhu</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #80 (Div. 1 Only) & Codeforces Beta Round #80 (Div. 2 Only)</td>
<td>3</td>
</tr>
<tr>
<td>194</td>
<td><a href="http://codeforces.com/problemset/problem/4/D" target="_blank">Mysterious Present</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #4 (Div. 2 Only)</td>
<td>3</td>
</tr>
<tr>
<td>195</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=257" target="_blank">The New Villa</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>196</td>
<td><a href="http://codeforces.com/problemset/problem/320/B" target="_blank">Ping-Pong (Easy Version)</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #189 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>197</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1184" target="_blank">Fire! Fire!! Fire!!!</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>198</td>
<td><a href="http://www.spoj.com/problems/DCEPC701/" target="_blank">Amazing Maze</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>199</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=542" target="_blank">The PATH</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>200</td>
<td><a href="http://codeforces.com/problemset/problem/371/B" target="_blank">Fox Dividing Cheese</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #218 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>201</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=717" target="_blank">Monkeys in a Regular Forest</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>202</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=3589" target="_blank">The mysterious X network</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>203</td>
<td><a href="http://www.spoj.com/problems/STAR3CAS/" target="_blank">THE WEIRD STAIRCASE</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>204</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1990" target="_blank">Basic wall maze</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>205</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1330" target="_blank">Subway</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>206</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=2042" target="_blank">Mall Mania</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>207</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1734" target="_blank">The Orc Attack</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>208</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1466" target="_blank">New to Bangladesh?</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>209</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1297" target="_blank">Rough Roads</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>210</td>
<td><a href="http://www.spoj.com/problems/RIOI_2_3/" target="_blank">Path of the righteous man</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>211</td>
<td><a href="http://codeforces.com/problemset/problem/540/C" target="_blank">Ice Cave</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #301 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>212</td>
<td><a href="http://www.spoj.com/problems/CODE/" target="_blank">Code</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>213</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=3198" target="_blank">Highest Paid Toll</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>214</td>
<td><a href="http://www.spoj.com/problems/PT07F/" target="_blank">A short vacation in Disneyland</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>215</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=3138" target="_blank">Almost Union-Find</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>216</td>
<td><a href="http://codeforces.com/problemset/problem/659/E" target="_blank">New Reform</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #346 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>217</td>
<td><a href="http://codeforces.com/problemset/problem/653/B" target="_blank">Bear and Compressing</a></td>
<td>Codeforces</td>
<td></td>
<td>IndiaHacks 2016 - Online Edition (Div. 1 + Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>218</td>
<td><a href="http://codeforces.com/problemset/problem/598/D" target="_blank">Igor In the Museum</a></td>
<td>Codeforces</td>
<td></td>
<td>Educational Codeforces Round 1</td>
<td>3</td>
</tr>
<tr>
<td>219</td>
<td><a href="http://codeforces.com/problemset/problem/589/J" target="_blank">Cleaner Robot</a></td>
<td>Codeforces</td>
<td></td>
<td>2015-2016 ACM-ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred)</td>
<td>3</td>
</tr>
<tr>
<td>220</td>
<td><a href="http://codeforces.com/problemset/problem/526/B" target="_blank">Om Nom and Dark Park</a></td>
<td>Codeforces</td>
<td></td>
<td>ZeptoLab Code Rush 2015</td>
<td>3</td>
</tr>
<tr>
<td>221</td>
<td><a href="http://codeforces.com/problemset/problem/505/C" target="_blank">Mr. Kitayuta, the Treasure Hunter</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #286 (Div. 2) & Codeforces Round #286 (Div. 1)</td>
<td>3</td>
</tr>
<tr>
<td>222</td>
<td><a href="http://codeforces.com/problemset/problem/489/D" target="_blank">Unbearable Controversy of Being</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #277.5 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>223</td>
<td><a href="http://codeforces.com/problemset/problem/463/D" target="_blank">Gargari and Permutations</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #264 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>224</td>
<td><a href="http://codeforces.com/problemset/problem/369/C" target="_blank">Valera and Elections</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #216 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>225</td>
<td><a href="http://codeforces.com/problemset/problem/339/C" target="_blank">Xenia and Weights</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #197 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>226</td>
<td><a href="http://codeforces.com/problemset/problem/329/B" target="_blank">Biridian Forest</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #192 (Div. 1) & Codeforces Round #192 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>227</td>
<td><a href="http://codeforces.com/problemset/problem/300/B" target="_blank">Coach</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #181 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>228</td>
<td><a href="http://codeforces.com/problemset/problem/295/B" target="_blank">Greg and Graph</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #179 (Div. 1) & Codeforces Round #179 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>229</td>
<td><a href="http://codeforces.com/problemset/problem/161/D" target="_blank">Distance in Tree</a></td>
<td>Codeforces</td>
<td></td>
<td>VK Cup 2012 Round 1</td>
<td>3</td>
</tr>
<tr>
<td>230</td>
<td><a href="http://codeforces.com/problemset/problem/129/B" target="_blank">Students and Shoelaces</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #94 (Div. 2 Only)</td>
<td>3</td>
</tr>
<tr>
<td>231</td>
<td><a href="http://codeforces.com/problemset/problem/682/C" target="_blank">Alyona and the Tree</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #358 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>232</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=4027" target="_blank">Wedding of Sultan</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>233</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1128" target="_blank">From Dusk Till Dawn</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>234</td>
<td><a href="http://codeforces.com/problemset/problem/741/A" target="_blank">Arpa's loud Owf and Mehrdad's evil plan</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #383 (Div. 1) & Codeforces Round #383 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>235</td>
<td><a href="http://codeforces.com/problemset/problem/741/B" target="_blank">Arpa's weak amphitheater and Mehrdad's valuable Hoses</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #383 (Div. 1) & Codeforces Round #383 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>236</td>
<td><a href="http://codeforces.com/problemset/problem/744/A" target="_blank">Hongcow Builds A Nation</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #385 (Div. 1) & Codeforces Round #385 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>237</td>
<td><a href="http://codeforces.com/problemset/problem/689/B" target="_blank">Mike and Shortcuts</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #361 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>238</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=869" target="_blank">Eternal Truths</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>239</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=2620" target="_blank">Ocean Currents</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>4</td>
</tr>
<tr>
<td>240</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=926" target="_blank">Round and Round Maze</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>4</td>
</tr>
<tr>
<td>241</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1283" target="_blank">Always Late</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>4</td>
</tr>
<tr>
<td>242</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=2313" target="_blank">Minefield</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>4</td>
</tr>
<tr>
<td>243</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1451" target="_blank">Cactus</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>4</td>
</tr>
<tr>
<td>244</td>
<td><a href="http://codeforces.com/problemset/problem/244/B" target="_blank">Undoubtedly Lucky Numbers</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #150 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>245</td>
<td><a href="http://codeforces.com/problemset/problem/242/C" target="_blank">King's Path</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #149 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>246</td>
<td><a href="http://codeforces.com/problemset/problem/229/B" target="_blank">Planets</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #142 (Div. 1) & Codeforces Round #142 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>247</td>
<td><a href="http://codeforces.com/problemset/problem/216/B" target="_blank">Forming Teams</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #133 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>248</td>
<td><a href="http://codeforces.com/problemset/problem/191/C" target="_blank">Fools and Roads</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #121 (Div. 1) & Codeforces Round #121 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>249</td>
<td><a href="http://codeforces.com/problemset/problem/150/B" target="_blank">Quantity of Strings</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #107 (Div. 1) & Codeforces Round #107 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>250</td>
<td><a href="http://codeforces.com/problemset/problem/131/D" target="_blank">Subway</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #95 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>251</td>
<td><a href="http://codeforces.com/problemset/problem/128/A" target="_blank">Statues</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #94 (Div. 1 Only) & Codeforces Beta Round #94 (Div. 2 Only)</td>
<td>4</td>
</tr>
<tr>
<td>252</td>
<td><a href="http://codeforces.com/problemset/problem/61/D" target="_blank">Eternal Victory</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #57 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>253</td>
<td><a href="http://codeforces.com/problemset/problem/60/B" target="_blank">Serial Time!</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #56</td>
<td>4</td>
</tr>
<tr>
<td>254</td>
<td><a href="http://codeforces.com/problemset/problem/35/C" target="_blank">Fire Again</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #35 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>255</td>
<td><a href="http://codeforces.com/problemset/problem/34/D" target="_blank">Road Map</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #34 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>256</td>
<td><a href="http://codeforces.com/problemset/problem/27/B" target="_blank">Tournament</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #27 (Codeforces format, Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>257</td>
<td><a href="http://codeforces.com/problemset/problem/25/D" target="_blank">Roads not only in Berland</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #25 (Div. 2 Only)</td>
<td>4</td>
</tr>
<tr>
<td>258</td>
<td><a href="http://codeforces.com/problemset/problem/25/C" target="_blank">Roads in Berland</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #25 (Div. 2 Only)</td>
<td>4</td>
</tr>
<tr>
<td>259</td>
<td><a href="http://www.spoj.com/problems/GORELIAN/" target="_blank">Here We Go(relians) Again</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>4</td>
</tr>
<tr>
<td>260</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=2913" target="_blank">Shopping</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>4</td>
</tr>
<tr>
<td>261</td>
<td><a href="http://www.spoj.com/problems/A_W_S_N/" target="_blank">Happy Valentine Day (Valentine Maze Game)</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>4</td>
</tr>
<tr>
<td>262</td>
<td><a href="http://acm.tju.edu.cn/toj/showp2846.html" target="_blank">Go Game</a></td>
<td>TJU</td>
<td></td>
<td></td>
<td>4</td>
</tr>
<tr>
<td>263</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=2892" target="_blank">Krochanska is Here!</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>4</td>
</tr>
<tr>
<td>264</td>
<td><a href="http://codeforces.com/problemset/problem/449/B" target="_blank">Jzzhu and Cities</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #257 (Div. 1) & Codeforces Round #257 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>265</td>
<td><a href="http://codeforces.com/problemset/problem/545/E" target="_blank">Paths and Trees</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #303 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>266</td>
<td><a href="http://codeforces.com/problemset/problem/616/C" target="_blank">The Labyrinth</a></td>
<td>Codeforces</td>
<td></td>
<td>Educational Codeforces Round 5</td>
<td>4</td>
</tr>
<tr>
<td>267</td>
<td><a href="http://codeforces.com/problemset/problem/600/E" target="_blank">Lomsat gelral</a></td>
<td>Codeforces</td>
<td></td>
<td>Educational Codeforces Round 2</td>
<td>4</td>
</tr>
<tr>
<td>268</td>
<td><a href="http://codeforces.com/problemset/problem/585/B" target="_blank">Phillip and Trains</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #325 (Div. 1) & Codeforces Round #325 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>269</td>
<td><a href="http://codeforces.com/problemset/problem/570/D" target="_blank">Tree Requests</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #316 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>270</td>
<td><a href="http://codeforces.com/problemset/problem/543/B" target="_blank">Destroying Roads</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #302 (Div. 1) & Codeforces Round #302 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>271</td>
<td><a href="http://codeforces.com/problemset/problem/519/E" target="_blank">A and B and Lecture Rooms</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #294 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>272</td>
<td><a href="http://codeforces.com/problemset/problem/500/D" target="_blank">New Year Santa Network</a></td>
<td>Codeforces</td>
<td></td>
<td>Good Bye 2014</td>
<td>4</td>
</tr>
<tr>
<td>273</td>
<td><a href="http://codeforces.com/problemset/problem/472/D" target="_blank">Design Tutorial: Inverse the Problem</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #270</td>
<td>4</td>
</tr>
<tr>
<td>274</td>
<td><a href="http://codeforces.com/problemset/problem/468/B" target="_blank">Two Sets</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #268 (Div. 1) & Codeforces Round #268 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>275</td>
<td><a href="http://codeforces.com/problemset/problem/461/B" target="_blank">Appleman and Tree</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #263 (Div. 1) & Codeforces Round #263 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>276</td>
<td><a href="http://codeforces.com/problemset/problem/455/C" target="_blank">Civilization</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #260 (Div. 1) & Codeforces Round #260 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>277</td>
<td><a href="http://codeforces.com/problemset/problem/455/B" target="_blank">A Lot of Games</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #260 (Div. 1) & Codeforces Round #260 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>278</td>
<td><a href="http://codeforces.com/problemset/problem/404/C" target="_blank">Restore Graph</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #237 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>279</td>
<td><a href="http://codeforces.com/problemset/problem/383/C" target="_blank">Propagating tree</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #225 (Div. 1) & Codeforces Round #225 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>280</td>
<td><a href="http://codeforces.com/problemset/problem/337/D" target="_blank">Book of Evil</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #196 (Div. 2) & Codeforces Round #196 (Div. 1)</td>
<td>4</td>
</tr>
<tr>
<td>281</td>
<td><a href="http://codeforces.com/problemset/problem/321/C" target="_blank">Ciel the Commander</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #190 (Div. 1) & Codeforces Round #190 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>282</td>
<td><a href="http://codeforces.com/problemset/problem/283/B" target="_blank">Cow Program</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #174 (Div. 1) & Codeforces Round #174 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>283</td>
<td><a href="http://codeforces.com/problemset/problem/274/B" target="_blank">Zero Tree</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #168 (Div. 1) & Codeforces Round #168 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>284</td>
<td><a href="http://codeforces.com/problemset/problem/107/A" target="_blank">Dorm Water Supply</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #83 (Div. 1 Only) & Codeforces Beta Round #83 (Div. 2 Only)</td>
<td>4</td>
</tr>
<tr>
<td>285</td>
<td><a href="http://codeforces.com/problemset/problem/510/D" target="_blank">Fox And Jumping</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #290 (Div. 2) & Codeforces Round #290 (Div. 1)</td>
<td>4</td>
</tr>
<tr>
<td>286</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=244" target="_blank">Tin Cutter</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>4</td>
</tr>
<tr>
<td>287</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=3641" target="_blank">A DP Problem</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>4</td>
</tr>
<tr>
<td>288</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1377" target="_blank">Cheapest way</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>4</td>
</tr>
<tr>
<td>289</td>
<td><a href="http://codeforces.com/problemset/problem/896/A" target="_blank">Nephren gives a riddle</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #449 (Div. 1) & Codeforces Round #449 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>290</td>
<td><a href="http://codeforces.com/problemset/problem/700/B" target="_blank">Connecting Universities</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #364 (Div. 1) & Codeforces Round #364 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>291</td>
<td><a href="http://codeforces.com/problemset/problem/739/B" target="_blank">Alyona and a tree</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #381 (Div. 1) & Codeforces Round #381 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>292</td>
<td><a href="http://codeforces.com/problemset/problem/743/D" target="_blank">Chloe and pleasant prizes</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #384 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>293</td>
<td><a href="http://codeforces.com/problemset/problem/711/D" target="_blank">Directed Roads</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #369 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>294</td>
<td><a href="http://codeforces.com/problemset/problem/842/C" target="_blank">Ilya And The Tree</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #430 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>295</td>
<td><a href="http://codeforces.com/problemset/problem/767/C" target="_blank">Garland</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #398 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>296</td>
<td><a href="p?ID=142" target="_blank">Chess Knights</a></td>
<td>A2 Online Judge</td>
<td></td>
<td></td>
<td>4</td>
</tr>
<tr>
<td>297</td>
<td><a href="http://www.spoj.com/problems/UMNOZAK/" target="_blank">Umnozak</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>5</td>
</tr>
<tr>
<td>298</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=2740" target="_blank">Speedy Escape</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>5</td>
</tr>
<tr>
<td>299</td>
<td><a href="http://codeforces.com/problemset/problem/253/C" target="_blank">Text Editor</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #154 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>300</td>
<td><a href="http://codeforces.com/problemset/problem/208/E" target="_blank">Blood Cousins</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #130 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>301</td>
<td><a href="http://codeforces.com/problemset/problem/198/B" target="_blank">Jumping on Walls</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #125 (Div. 1) & Codeforces Round #125 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>302</td>
<td><a href="http://codeforces.com/problemset/problem/196/B" target="_blank">Infinite Maze</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #124 (Div. 1) & Codeforces Round #124 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>303</td>
<td><a href="http://codeforces.com/problemset/problem/193/A" target="_blank">Cutting Figure</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #122 (Div. 1) & Codeforces Round #122 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>304</td>
<td><a href="http://codeforces.com/problemset/problem/190/C" target="_blank">STL</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #120 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>305</td>
<td><a href="http://codeforces.com/problemset/problem/144/D" target="_blank">Missile Silos</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #103 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>306</td>
<td><a href="http://codeforces.com/problemset/problem/132/C" target="_blank">Logo Turtle</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #96 (Div. 1) & Codeforces Beta Round #96 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>307</td>
<td><a href="http://codeforces.com/problemset/problem/117/C" target="_blank">Cycle</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #88</td>
<td>5</td>
</tr>
<tr>
<td>308</td>
<td><a href="http://codeforces.com/problemset/problem/95/C" target="_blank">Volleyball</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #77 (Div. 1 Only) & Codeforces Beta Round #77 (Div. 2 Only)</td>
<td>5</td>
</tr>
<tr>
<td>309</td>
<td><a href="http://codeforces.com/problemset/problem/57/A" target="_blank">Square Earth?</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #53</td>
<td>5</td>
</tr>
<tr>
<td>310</td>
<td><a href="http://codeforces.com/problemset/problem/29/C" target="_blank">Mail Stamps</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #29 (Div. 2, Codeforces format)</td>
<td>5</td>
</tr>
<tr>
<td>311</td>
<td><a href="http://codeforces.com/problemset/problem/28/B" target="_blank">pSort</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #28 (Codeforces format)</td>
<td>5</td>
</tr>
<tr>
<td>312</td>
<td><a href="http://codeforces.com/problemset/problem/17/B" target="_blank">Hierarchy</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #17</td>
<td>5</td>
</tr>
<tr>
<td>313</td>
<td><a href="http://codeforces.com/problemset/problem/14/D" target="_blank">Two Paths</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #14 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>314</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=2647" target="_blank">Masud Rana</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>5</td>
</tr>
<tr>
<td>315</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=800" target="_blank">Chinese Checkers</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>5</td>
</tr>
<tr>
<td>316</td>
<td><a href="http://www.spoj.com/problems/GRAVITY/" target="_blank">GRAVITY</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>5</td>
</tr>
<tr>
<td>317</td>
<td><a href="http://www.spoj.com/problems/TUTBFS/" target="_blank">Tutorial BFS</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>5</td>
</tr>
<tr>
<td>318</td>
<td><a href="http://codeforces.com/problemset/problem/507/E" target="_blank">Breaking Good</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #287 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>319</td>
<td><a href="http://codeforces.com/problemset/problem/609/E" target="_blank">Minimum spanning tree for each edge</a></td>
<td>Codeforces</td>
<td></td>
<td>Educational Codeforces Round 3</td>
<td>5</td>
</tr>
<tr>
<td>320</td>
<td><a href="http://codeforces.com/problemset/problem/603/B" target="_blank">Moodular Arithmetic</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #334 (Div. 1) & Codeforces Round #334 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>321</td>
<td><a href="http://codeforces.com/problemset/problem/592/D" target="_blank">Super M</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #328 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>322</td>
<td><a href="http://codeforces.com/problemset/problem/590/C" target="_blank">Three States</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #327 (Div. 1) & Codeforces Round #327 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>323</td>
<td><a href="http://codeforces.com/problemset/problem/557/D" target="_blank">Vitaly and Cycle</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #311 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>324</td>
<td><a href="http://codeforces.com/problemset/problem/513/G1" target="_blank">Inversions problem</a></td>
<td>Codeforces</td>
<td></td>
<td>Rockethon 2015</td>
<td>5</td>
</tr>
<tr>
<td>325</td>
<td><a href="http://codeforces.com/problemset/problem/490/D" target="_blank">Chocolate</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #279 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>326</td>
<td><a href="http://codeforces.com/problemset/problem/486/D" target="_blank">Valid Sets</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #277 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>327</td>
<td><a href="http://codeforces.com/problemset/problem/400/D" target="_blank">Dima and Bacteria</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #234 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>328</td>
<td><a href="http://codeforces.com/problemset/problem/375/D" target="_blank">Tree and Queries</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #221 (Div. 1)</td>
<td>5</td>
</tr>
<tr>
<td>329</td>
<td><a href="http://codeforces.com/problemset/problem/374/C" target="_blank">Inna and Dima</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #220 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>330</td>
<td><a href="http://codeforces.com/problemset/problem/343/D" target="_blank">Water Tree</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #200 (Div. 1)</td>
<td>5</td>
</tr>
<tr>
<td>331</td>
<td><a href="http://codeforces.com/problemset/problem/327/D" target="_blank">Block Tower</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #191 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>332</td>
<td><a href="http://codeforces.com/problemset/problem/301/B" target="_blank">Yaroslav and Time</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #182 (Div. 1) & Codeforces Round #182 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>333</td>
<td><a href="http://codeforces.com/problemset/problem/292/D" target="_blank">Connected Components</a></td>
<td>Codeforces</td>
<td></td>
<td>Croc Champ 2013 - Round 1</td>
<td>5</td>
</tr>
<tr>
<td>334</td>
<td><a href="http://codeforces.com/problemset/problem/263/D" target="_blank">Cycle in Graph</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #161 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>335</td>
<td><a href="http://codeforces.com/problemset/problem/165/E" target="_blank">Compatible Numbers</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #112 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>336</td>
<td><a href="http://codeforces.com/problemset/problem/685/B" target="_blank">Kay and Snowflake</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #359 (Div. 1) & Codeforces Round #359 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>337</td>
<td><a href="http://codeforces.com/problemset/problem/676/D" target="_blank">Theseus and labyrinth</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #354 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>338</td>
<td><a href="http://codeforces.com/problemset/problem/747/E" target="_blank">Comments</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #387 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>339</td>
<td><a href="https://www.urionlinejudge.com.br/judge/en/problems/view/2300" target="_blank">Transmiss&atilde;o de Energia</a></td>
<td>URI</td>
<td></td>
<td></td>
<td>5</td>
</tr>
<tr>
<td>340</td>
<td><a href="http://community.topcoder.com/stat?c=problem_statement&pm=1705" target="_blank">MergeSort</a></td>
<td>TopCoder</td>
<td></td>
<td>SRM 151 - Div1 medium - Div2 hard] (4560)</td>
<td>5</td>
</tr>
<tr>
<td>341</td>
<td><a href="http://www.spoj.com/problems/KRUSKAL/" target="_blank">Kruskal</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>5</td>
</tr>
<tr>
<td>342</td>
<td><a href="http://codeforces.com/problemset/problem/778/B" target="_blank">Bitwise Formula</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #402 (Div. 1) & Codeforces Round #402 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>343</td>
<td><a href="http://codeforces.com/problemset/problem/786/A" target="_blank">Berzerk</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #406 (Div. 1) & Codeforces Round #406 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>344</td>
<td><a href="http://codeforces.com/problemset/problem/788/B" target="_blank">Weird journey</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #407 (Div. 1) & Codeforces Round #407 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>345</td>
<td><a href="http://codeforces.com/problemset/problem/715/B" target="_blank">Complete The Graph</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #372 (Div. 1) & Codeforces Round #372 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>346</td>
<td><a href="http://codeforces.com/problemset/problem/832/D" target="_blank">Misha, Grisha and Underground</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #425 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>347</td>
<td><a href="http://codeforces.com/problemset/problem/814/D" target="_blank">An overnight dance in discotheque</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #418 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>348</td>
<td><a href="http://codeforces.com/problemset/problem/766/D" target="_blank">Mahmoud and a Dictionary</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #396 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>349</td>
<td><a href="http://codeforces.com/problemset/problem/707/D" target="_blank">Persistent Bookcase </a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #368 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>350</td>
<td><a href="http://codeforces.com/problemset/problem/33/A" target="_blank">What is for dinner?</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #33 (Codeforces format)</td>
<td>5</td>
</tr>
<tr>
<td>351</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=3192" target="_blank">BFS (Binary Fibonacci String)</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>5</td>
</tr>
<tr>
<td>352</td>
<td><a href="http://www.spoj.com/problems/CONTEST/" target="_blank">Fixed Partition Contest Management</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>6</td>
</tr>
<tr>
<td>353</td>
<td><a href="http://codeforces.com/problemset/problem/242/D" target="_blank">Dispute</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #149 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>354</td>
<td><a href="http://codeforces.com/problemset/problem/228/E" target="_blank">The Road to Berland is Paved With Good Intentions</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #141 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>355</td>
<td><a href="http://codeforces.com/problemset/problem/213/A" target="_blank">Game</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #131 (Div. 1) & Codeforces Round #131 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>356</td>
<td><a href="http://codeforces.com/problemset/problem/208/C" target="_blank">Police Station</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #130 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>357</td>
<td><a href="http://codeforces.com/problemset/problem/208/B" target="_blank">Solitaire</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #130 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>358</td>
<td><a href="http://codeforces.com/problemset/problem/187/B" target="_blank">AlgoRace</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #119 (Div. 1) & Codeforces Round #119 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>359</td>
<td><a href="http://codeforces.com/problemset/problem/173/B" target="_blank">Chamber of Secrets</a></td>
<td>Codeforces</td>
<td></td>
<td>Croc Champ 2012 - Round 1</td>
<td>6</td>
</tr>
<tr>
<td>360</td>
<td><a href="http://codeforces.com/problemset/problem/118/E" target="_blank">Bertown roads</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #89 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>361</td>
<td><a href="http://codeforces.com/problemset/problem/33/B" target="_blank">String Problem</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #33 (Codeforces format)</td>
<td>6</td>
</tr>
<tr>
<td>362</td>
<td><a href="http://codeforces.com/problemset/problem/29/D" target="_blank">Ant on the Tree</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #29 (Div. 2, Codeforces format)</td>
<td>6</td>
</tr>
<tr>
<td>363</td>
<td><a href="https://icpcarchive.ecs.baylor.edu/index.php?option=onlinejudge&page=show_problem&problem=3962" target="_blank">Road Rally</a></td>
<td>Live Archive</td>
<td>2011</td>
<td>North America - Mid-Atlantic USA</td>
<td>6</td>
</tr>
<tr>
<td>364</td>
<td><a href="http://codeforces.com/problemset/problem/453/C" target="_blank">Little Pony and Summer Sun Celebration</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #259 (Div. 1) & Codeforces Round #259 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>365</td>
<td><a href="http://codeforces.com/problemset/problem/463/E" target="_blank">Caisa and Tree</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #264 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>366</td>
<td><a href="http://codeforces.com/problemset/problem/467/D" target="_blank">Fedor and Essay</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #267 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>367</td>
<td><a href="p?ID=4" target="_blank">Increasing Shortest Path</a></td>
<td>A2 Online Judge</td>
<td></td>
<td></td>
<td>6</td>
</tr>
<tr>
<td>368</td>
<td><a href="http://codeforces.com/problemset/problem/662/B" target="_blank">Graph Coloring</a></td>
<td>Codeforces</td>
<td></td>
<td>CROC 2016 - Final Round [Private, For Onsite Finalists Only]</td>
<td>6</td>
</tr>
<tr>
<td>369</td>
<td><a href="http://codeforces.com/problemset/problem/659/F" target="_blank">Polycarp and Hay</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #346 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>370</td>
<td><a href="http://codeforces.com/problemset/problem/650/C" target="_blank">Table Compression</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #345 (Div. 1) & Codeforces Round #345 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>371</td>
<td><a href="http://codeforces.com/problemset/problem/638/B" target="_blank">Making Genome in Berland</a></td>
<td>Codeforces</td>
<td></td>
<td>VK Cup 2016 - Qualification Round 2</td>
<td>6</td>
</tr>
<tr>
<td>372</td>
<td><a href="http://codeforces.com/problemset/problem/622/E" target="_blank">Ants in Leaves</a></td>
<td>Codeforces</td>
<td></td>
<td>Educational Codeforces Round 7</td>
<td>6</td>
</tr>
<tr>
<td>373</td>
<td><a href="http://codeforces.com/problemset/problem/618/D" target="_blank">Hamiltonian Spanning Tree</a></td>
<td>Codeforces</td>
<td></td>
<td>Wunder Fund Round 2016 (Div. 1 + Div. 2 combined)</td>
<td>6</td>
</tr>
<tr>
<td>374</td>
<td><a href="http://codeforces.com/problemset/problem/576/B" target="_blank">Invariance of Tree</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #319 (Div. 1) & Codeforces Round #319 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>375</td>
<td><a href="http://codeforces.com/problemset/problem/553/C" target="_blank">Love Triangles</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #309 (Div. 1) & Codeforces Round #309 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>376</td>
<td><a href="http://codeforces.com/problemset/problem/549/B" target="_blank">Looksery Party</a></td>
<td>Codeforces</td>
<td></td>
<td>Looksery Cup 2015</td>
<td>6</td>
</tr>
<tr>
<td>377</td>
<td><a href="http://codeforces.com/problemset/problem/538/E" target="_blank">Demiurges Play Again</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #300</td>
<td>6</td>
</tr>
<tr>
<td>378</td>
<td><a href="http://codeforces.com/problemset/problem/533/B" target="_blank">Work Group</a></td>
<td>Codeforces</td>
<td></td>
<td>VK Cup 2015 - Round 2 (unofficial online mirror, Div. 1 only)</td>
<td>6</td>
</tr>
<tr>
<td>379</td>
<td><a href="http://codeforces.com/problemset/problem/508/D" target="_blank">Tanya and Password</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #288 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>380</td>
<td><a href="http://codeforces.com/problemset/problem/505/D" target="_blank">Mr. Kitayuta's Technology</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #286 (Div. 2) & Codeforces Round #286 (Div. 1)</td>
<td>6</td>
</tr>
<tr>
<td>381</td>
<td><a href="http://codeforces.com/problemset/problem/466/E" target="_blank">Information Graph</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #266 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>382</td>
<td><a href="http://codeforces.com/problemset/problem/448/E" target="_blank">Divisors</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #256 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>383</td>
<td><a href="http://codeforces.com/problemset/problem/412/D" target="_blank">Giving Awards</a></td>
<td>Codeforces</td>
<td></td>
<td>Coder-Strike 2014 - Round 1</td>
<td>6</td>
</tr>
<tr>
<td>384</td>
<td><a href="http://codeforces.com/problemset/problem/348/B" target="_blank">Apple Tree</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #202 (Div. 1) & Codeforces Round #202 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>385</td>
<td><a href="http://codeforces.com/problemset/problem/316/B2" target="_blank">EKG</a></td>
<td>Codeforces</td>
<td></td>
<td>ABBYY Cup 3.0</td>
<td>6</td>
</tr>
<tr>
<td>386</td>
<td><a href="http://codeforces.com/problemset/problem/316/B1" target="_blank">EKG</a></td>
<td>Codeforces</td>
<td></td>
<td>ABBYY Cup 3.0</td>
<td>6</td>
</tr>
<tr>
<td>387</td>
<td><a href="http://codeforces.com/problemset/problem/314/B" target="_blank">Sereja and Periods</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #187 (Div. 1) & Codeforces Round #187 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>388</td>
<td><a href="http://codeforces.com/problemset/problem/295/C" target="_blank">Greg and Friends</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #179 (Div. 1) & Codeforces Round #179 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>389</td>
<td><a href="http://codeforces.com/problemset/problem/177/C2" target="_blank">Party</a></td>
<td>Codeforces</td>
<td></td>
<td>ABBYY Cup 2.0 - Easy</td>
<td>6</td>
</tr>
<tr>
<td>390</td>
<td><a href="http://codeforces.com/problemset/problem/177/C1" target="_blank">Party</a></td>
<td>Codeforces</td>
<td></td>
<td>ABBYY Cup 2.0 - Easy</td>
<td>6</td>
</tr>
<tr>
<td>391</td>
<td><a href="http://codeforces.com/problemset/problem/27/D" target="_blank">Ring Road 2</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #27 (Codeforces format, Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>392</td>
<td><a href="http://codeforces.com/problemset/problem/666/B" target="_blank">World Tour</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #349 (Div. 1) & Codeforces Round #349 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>393</td>
<td><a href="http://codeforces.com/problemset/problem/681/D" target="_blank">Gifts by the List</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #357 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>394</td>
<td><a href="http://codeforces.com/problemset/problem/840/B" target="_blank">Leha and another game about graph</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #429 (Div. 1) & Codeforces Round #429 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>395</td>
<td><a href="http://codeforces.com/problemset/problem/786/B" target="_blank">Legacy</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #406 (Div. 1) & Codeforces Round #406 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>396</td>
<td><a href="http://codeforces.com/problemset/problem/788/C" target="_blank">The Great Mixing</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #407 (Div. 1) & Codeforces Round #407 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>397</td>
<td><a href="http://codeforces.com/problemset/problem/741/C" target="_blank">Arpa&rsquo;s overnight party and Mehrdad&rsquo;s silent entering</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #383 (Div. 1) & Codeforces Round #383 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>398</td>
<td><a href="http://codeforces.com/problemset/problem/811/D" target="_blank">Vladik and Favorite Game</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #416 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>399</td>
<td><a href="http://codeforces.com/problemset/problem/766/E" target="_blank">Mahmoud and a xor trip</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #396 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>400</td>
<td><a href="http://acm.timus.ru/problem.aspx?space=1&num=2034" target="_blank">Caravans</a></td>
<td>Timus</td>
<td></td>
<td></td>
<td>6</td>
</tr>
<tr>
<td>401</td>
<td><a href="http://www.spoj.com/problems/SEGTREE/" target="_blank">Segment Tree</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>6</td>
</tr>
<tr>
<td>402</td>
<td><a href="http://www.spoj.com/problems/HEXTILE/" target="_blank">Hex Tile Equations</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>7</td>
</tr>
<tr>
<td>403</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=742" target="_blank">Flight Planning</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>7</td>
</tr>
<tr>
<td>404</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=2311" target="_blank">DRM</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>7</td>
</tr>
<tr>
<td>405</td>
<td><a href="http://codeforces.com/problemset/problem/246/E" target="_blank">Blood Cousins Return</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #151 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>406</td>
<td><a href="http://codeforces.com/problemset/problem/238/C" target="_blank">World Eater Brothers</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #148 (Div. 1) & Codeforces Round #148 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>407</td>
<td><a href="http://codeforces.com/problemset/problem/231/E" target="_blank">Cactus</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #143 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>408</td>
<td><a href="http://codeforces.com/problemset/problem/187/C" target="_blank">Weak Memory</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #119 (Div. 1) & Codeforces Round #119 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>409</td>
<td><a href="http://codeforces.com/problemset/problem/164/A" target="_blank">Variable, or There and Back Again</a></td>
<td>Codeforces</td>
<td></td>
<td>VK Cup 2012 Round 3</td>
<td>7</td>
</tr>
<tr>
<td>410</td>
<td><a href="http://codeforces.com/problemset/problem/160/D" target="_blank">Edges in MST</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #111 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>411</td>
<td><a href="http://codeforces.com/problemset/problem/134/B" target="_blank">Pairs of Numbers</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Testing Round #3</td>
<td>7</td>
</tr>
<tr>
<td>412</td>
<td><a href="http://codeforces.com/problemset/problem/82/C" target="_blank">General Mobilization</a></td>
<td>Codeforces</td>
<td></td>
<td>Yandex.Algorithm 2011 Qualification 2</td>
<td>7</td>
</tr>
<tr>
<td>413</td>
<td><a href="http://codeforces.com/problemset/problem/77/C" target="_blank">Beavermuncher-0xFF</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #69 (Div. 1 Only) & Codeforces Beta Round #69 (Div. 2 Only)</td>
<td>7</td>
</tr>
<tr>
<td>414</td>
<td><a href="http://codeforces.com/problemset/problem/74/C" target="_blank">Chessboard Billiard</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #68</td>
<td>7</td>
</tr>
<tr>
<td>415</td>
<td><a href="http://codeforces.com/problemset/problem/59/E" target="_blank">Shortest Path</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #55 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>416</td>
<td><a href="http://codeforces.com/problemset/problem/33/D" target="_blank">Knights</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #33 (Codeforces format)</td>
<td>7</td>
</tr>
<tr>
<td>417</td>
<td><a href="http://codeforces.com/problemset/problem/31/D" target="_blank">Chocolate</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #31 (Div. 2, Codeforces format)</td>
<td>7</td>
</tr>
<tr>
<td>418</td>
<td><a href="http://codeforces.com/problemset/problem/19/E" target="_blank">Fairy</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #19</td>
<td>7</td>
</tr>
<tr>
<td>419</td>
<td><a href="http://codeforces.com/problemset/problem/45/D" target="_blank">Event Dates</a></td>
<td>Codeforces</td>
<td></td>
<td>School Team Contest #3 (Winter Computer School 2010/11)</td>
<td>7</td>
</tr>
<tr>
<td>420</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=2735" target="_blank">Rotate to root</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>7</td>
</tr>
<tr>
<td>421</td>
<td><a href="http://codeforces.com/problemset/problem/653/E" target="_blank">Bear and Forgotten Tree 2</a></td>
<td>Codeforces</td>
<td></td>
<td>IndiaHacks 2016 - Online Edition (Div. 1 + Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>422</td>
<td><a href="http://codeforces.com/problemset/problem/652/E" target="_blank">Pursuit For Artifacts</a></td>
<td>Codeforces</td>
<td></td>
<td>Educational Codeforces Round 10</td>
<td>7</td>
</tr>
<tr>
<td>423</td>
<td><a href="http://codeforces.com/problemset/problem/638/D" target="_blank">Three-dimensional Turtle Super Computer </a></td>
<td>Codeforces</td>
<td></td>
<td>VK Cup 2016 - Qualification Round 2</td>
<td>7</td>
</tr>
<tr>
<td>424</td>
<td><a href="http://codeforces.com/problemset/problem/638/C" target="_blank">Road Improvement</a></td>
<td>Codeforces</td>
<td></td>
<td>VK Cup 2016 - Qualification Round 2</td>
<td>7</td>
</tr>
<tr>
<td>425</td>
<td><a href="http://codeforces.com/problemset/problem/629/E" target="_blank">Famil Door and Roads</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #343 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>426</td>
<td><a href="http://codeforces.com/problemset/problem/612/E" target="_blank">Square Root of Permutation</a></td>
<td>Codeforces</td>
<td></td>
<td>Educational Codeforces Round 4</td>
<td>7</td>
</tr>
<tr>
<td>427</td>
<td><a href="http://codeforces.com/problemset/problem/601/D" target="_blank">Acyclic Organic Compounds</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #333 (Div. 1)</td>
<td>7</td>
</tr>
<tr>
<td>428</td>
<td><a href="http://codeforces.com/problemset/problem/589/H" target="_blank">Tourist Guide</a></td>
<td>Codeforces</td>
<td></td>
<td>2015-2016 ACM-ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred)</td>
<td>7</td>
</tr>
<tr>
<td>429</td>
<td><a href="http://codeforces.com/problemset/problem/575/B" target="_blank">Bribes</a></td>
<td>Codeforces</td>
<td></td>
<td>Bubble Cup 8 - Finals [Online Mirror]</td>
<td>7</td>
</tr>
<tr>
<td>430</td>
<td><a href="http://codeforces.com/problemset/problem/573/C" target="_blank">Bear and Drawing</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #318 [RussianCodeCup Thanks-Round] (Div. 1) & Codeforces Round #318 [RussianCodeCup Thanks-Round] (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>431</td>
<td><a href="http://codeforces.com/problemset/problem/567/E" target="_blank">President and Roads</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #Pi (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>432</td>
<td><a href="http://codeforces.com/problemset/problem/555/E" target="_blank">Case of Computer Network</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #310 (Div. 1)</td>
<td>7</td>
</tr>
<tr>
<td>433</td>
<td><a href="http://codeforces.com/problemset/problem/547/D" target="_blank">Mike and Fish</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #305 (Div. 1)</td>
<td>7</td>
</tr>
<tr>
<td>434</td>
<td><a href="http://codeforces.com/problemset/problem/527/E" target="_blank">Data Center Drama</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #296 (Div. 2) & Codeforces Round #296 (Div. 1)</td>
<td>7</td>
</tr>
<tr>
<td>435</td>
<td><a href="http://codeforces.com/problemset/problem/490/F" target="_blank">Treeland Tour</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #279 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>436</td>
<td><a href="http://codeforces.com/problemset/problem/416/E" target="_blank">President's Path</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #241 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>437</td>
<td><a href="http://codeforces.com/problemset/problem/406/D" target="_blank">Hill Climbing</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #238 (Div. 1)</td>
<td>7</td>
</tr>
<tr>
<td>438</td>
<td><a href="http://codeforces.com/problemset/problem/405/E" target="_blank">Graph Cutting</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #238 (Div. 2) & Codeforces Round #238 (Div. 1)</td>
<td>7</td>
</tr>
<tr>
<td>439</td>
<td><a href="http://codeforces.com/problemset/problem/382/D" target="_blank">Ksenia and Pawns</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #224 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>440</td>
<td><a href="http://codeforces.com/problemset/problem/369/D" target="_blank">Valera and Fools</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #216 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>441</td>
<td><a href="http://codeforces.com/problemset/problem/366/D" target="_blank">Dima and Trap Graph</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #214 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>442</td>
<td><a href="http://codeforces.com/problemset/problem/362/D" target="_blank">Fools and Foolproof Roads</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #212 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>443</td>
<td><a href="http://codeforces.com/problemset/problem/354/E" target="_blank">Lucky Number Representation</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #206 (Div. 1)</td>
<td>7</td>
</tr>
<tr>
<td>444</td>
<td><a href="http://codeforces.com/problemset/problem/350/E" target="_blank">Wrong Floyd</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #203 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>445</td>
<td><a href="http://codeforces.com/problemset/problem/291/E" target="_blank">Tree-String Problem</a></td>
<td>Codeforces</td>
<td></td>
<td>Croc Champ 2013 - Qualification Round</td>
<td>7</td>
</tr>
<tr>
<td>446</td>
<td><a href="http://codeforces.com/problemset/problem/274/D" target="_blank">Lovely Matrix</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #168 (Div. 1)</td>
<td>7</td>
</tr>
<tr>
<td>447</td>
<td><a href="http://codeforces.com/problemset/problem/263/C" target="_blank">Circle of Numbers</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #161 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>448</td>
<td><a href="http://codeforces.com/problemset/problem/258/E" target="_blank">Little Elephant and Tree</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #157 (Div. 1)</td>
<td>7</td>
</tr>
<tr>
<td>449</td>
<td><a href="http://codeforces.com/problemset/problem/225/D" target="_blank">Snake</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #139 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>450</td>
<td><a href="http://codeforces.com/problemset/problem/679/C" target="_blank">Bear and Square Grid</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #356 (Div. 1) & Codeforces Round #356 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>451</td>
<td><a href="http://codeforces.com/problemset/problem/778/C" target="_blank">Peterson Polyglot</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #402 (Div. 1) & Codeforces Round #402 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>452</td>
<td><a href="http://codeforces.com/problemset/problem/700/C" target="_blank">Break Up</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #364 (Div. 1) & Codeforces Round #364 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>453</td>
<td><a href="http://codeforces.com/problemset/problem/821/D" target="_blank">Okabe and City</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #420 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>454</td>
<td><a href="http://codeforces.com/problemset/problem/243/C" target="_blank">Colorado Potato Beetle</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #150 (Div. 1) & Codeforces Round #150 (Div. 2)</td>
<td>8</td>
</tr>
<tr>
<td>455</td>
<td><a href="http://codeforces.com/problemset/problem/241/E" target="_blank">Flights</a></td>
<td>Codeforces</td>
<td></td>
<td>Bayan 2012-2013 Elimination Round (ACM ICPC Rules, English statements)</td>
<td>8</td>
</tr>
<tr>
<td>456</td>
<td><a href="http://codeforces.com/problemset/problem/237/D" target="_blank">T-decomposition</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #147 (Div. 2)</td>
<td>8</td>
</tr>
<tr>
<td>457</td>
<td><a href="http://codeforces.com/problemset/problem/212/E" target="_blank">IT Restaurants</a></td>
<td>Codeforces</td>
<td></td>
<td>VK Cup 2012 Finals (unofficial online-version)</td>
<td>8</td>
</tr>
<tr>
<td>458</td>
<td><a href="http://codeforces.com/problemset/problem/196/E" target="_blank">Opening Portals</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #124 (Div. 1)</td>
<td>8</td>
</tr>
<tr>
<td>459</td>
<td><a href="http://codeforces.com/problemset/problem/183/C" target="_blank">Cyclic Coloring</a></td>
<td>Codeforces</td>
<td></td>
<td>Croc Champ 2012 - Final</td>
<td>8</td>
</tr>
<tr>
<td>460</td>
<td><a href="http://codeforces.com/problemset/problem/176/E" target="_blank">Archaeology</a></td>
<td>Codeforces</td>
<td></td>
<td>Croc Champ 2012 - Round 2</td>
<td>8</td>
</tr>
<tr>
<td>461</td>
<td><a href="http://codeforces.com/problemset/problem/163/E" target="_blank">e-Government</a></td>
<td>Codeforces</td>
<td></td>
<td>VK Cup 2012 Round 2</td>
<td>8</td>
</tr>
<tr>
<td>462</td>
<td><a href="http://codeforces.com/problemset/problem/141/D" target="_blank">Take-off Ramps</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #101 (Div. 2)</td>
<td>8</td>
</tr>
<tr>
<td>463</td>
<td><a href="http://codeforces.com/problemset/problem/87/D" target="_blank">Beautiful Road</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #73 (Div. 1 Only)</td>
<td>8</td>
</tr>
<tr>
<td>464</td>
<td><a href="http://codeforces.com/problemset/problem/85/C" target="_blank">Petya and Tree</a></td>
<td>Codeforces</td>
<td></td>
<td>Yandex.Algorithm 2011 Round 1</td>
<td>8</td>
</tr>
<tr>
<td>465</td>
<td><a href="http://codeforces.com/problemset/problem/79/D" target="_blank">Password</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #71</td>
<td>8</td>
</tr>
<tr>
<td>466</td>
<td><a href="http://codeforces.com/problemset/problem/73/D" target="_blank">FreeDiv</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #66</td>
<td>8</td>
</tr>
<tr>
<td>467</td>
<td><a href="http://codeforces.com/problemset/problem/63/E" target="_blank">Sweets Game</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #59 (Div. 2)</td>
<td>8</td>
</tr>
<tr>
<td>468</td>
<td><a href="http://codeforces.com/problemset/problem/60/C" target="_blank">Mushroom Strife</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #56</td>
<td>8</td>
</tr>
<tr>
<td>469</td>
<td><a href="http://codeforces.com/problemset/problem/29/E" target="_blank">Quarrel</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #29 (Div. 2, Codeforces format)</td>
<td>8</td>
</tr>
<tr>
<td>470</td>
<td><a href="http://codeforces.com/problemset/problem/22/E" target="_blank">Scheme</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #22 (Div. 2 Only)</td>
<td>8</td>
</tr>
<tr>
<td>471</td>
<td><a href="http://codeforces.com/problemset/problem/9/E" target="_blank">Interestring graph and Apples</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #9 (Div. 2 Only)</td>
<td>8</td>
</tr>
<tr>
<td>472</td>
<td><a href="http://www.spoj.com/problems/GRAPHS12/" target="_blank">Graph basics concepts</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>8</td>
</tr>
<tr>
<td>473</td>
<td><a href="http://codeforces.com/problemset/problem/633/G" target="_blank">Yash And Trees</a></td>
<td>Codeforces</td>
<td></td>
<td>Manthan, Codefest 16</td>
<td>8</td>
</tr>
<tr>
<td>474</td>
<td><a href="http://codeforces.com/problemset/problem/633/F" target="_blank">The Chocolate Spree</a></td>
<td>Codeforces</td>
<td></td>
<td>Manthan, Codefest 16</td>
<td>8</td>
</tr>
<tr>
<td>475</td>
<td><a href="http://codeforces.com/problemset/problem/613/D" target="_blank">Kingdom and its Cities</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #339 (Div. 1)</td>
<td>8</td>
</tr>
<tr>
<td>476</td>
<td><a href="http://codeforces.com/problemset/problem/605/E" target="_blank">Intergalaxy Trips</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #335 (Div. 1)</td>
<td>8</td>
</tr>
<tr>
<td>477</td>
<td><a href="http://codeforces.com/problemset/problem/605/D" target="_blank">Board Game</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #335 (Div. 1)</td>
<td>8</td>
</tr>
<tr>
<td>478</td>
<td><a href="http://codeforces.com/problemset/problem/575/G" target="_blank">Run for beer</a></td>
<td>Codeforces</td>
<td></td>
<td>Bubble Cup 8 - Finals [Online Mirror]</td>
<td>8</td>
</tr>
<tr>
<td>479</td>
<td><a href="http://codeforces.com/problemset/problem/571/C" target="_blank">CNF 2</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #317 [AimFund Thanks-Round] (Div. 1) & Codeforces Round #317 [AimFund Thanks-Round] (Div. 2)</td>
<td>8</td>
</tr>
<tr>
<td>480</td>
<td><a href="http://codeforces.com/problemset/problem/566/A" target="_blank">Matching Names</a></td>
<td>Codeforces</td>
<td></td>
<td>VK Cup 2015 - Finals, online mirror</td>
<td>8</td>
</tr>
<tr>
<td>481</td>
<td><a href="http://codeforces.com/problemset/problem/542/E" target="_blank">Playing on Graph</a></td>
<td>Codeforces</td>
<td></td>
<td>VK Cup 2015 - Round 3 (unofficial online mirror, Div. 1 only)</td>
<td>8</td>
</tr>
<tr>
<td>482</td>
<td><a href="http://codeforces.com/problemset/problem/516/D" target="_blank">Drazil and Morning Exercise</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #292 (Div. 1)</td>
<td>8</td>
</tr>
<tr>
<td>483</td>
<td><a href="http://codeforces.com/problemset/problem/513/D1" target="_blank">Constrained Tree</a></td>
<td>Codeforces</td>
<td></td>
<td>Rockethon 2015</td>
<td>8</td>
</tr>
<tr>
<td>484</td>
<td><a href="http://codeforces.com/problemset/problem/494/D" target="_blank">Birthday</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #282 (Div. 1)</td>
<td>8</td>
</tr>
<tr>
<td>485</td>
<td><a href="http://codeforces.com/problemset/problem/487/E" target="_blank">Tourists</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #278 (Div. 1)</td>
<td>8</td>
</tr>
<tr>
<td>486</td>
<td><a href="http://codeforces.com/problemset/problem/440/C" target="_blank">One-Based Arithmetic</a></td>
<td>Codeforces</td>
<td></td>
<td>Testing Round #10</td>
<td>8</td>
</tr>
<tr>
<td>487</td>
<td><a href="http://codeforces.com/problemset/problem/372/D" target="_blank">Choosing Subtree is Fun</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #219 (Div. 1)</td>
<td>8</td>
</tr>
<tr>
<td>488</td>
<td><a href="http://codeforces.com/problemset/problem/367/D" target="_blank">Sereja and Sets</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #215 (Div. 1)</td>
<td>8</td>
</tr>
<tr>
<td>489</td>
<td><a href="http://codeforces.com/problemset/problem/362/E" target="_blank">Petya and Pipes</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #212 (Div. 2)</td>
<td>8</td>
</tr>
<tr>
<td>490</td>
<td><a href="http://codeforces.com/problemset/problem/346/D" target="_blank">Robot Control</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #201 (Div. 1)</td>
<td>8</td>
</tr>
<tr>
<td>491</td>
<td><a href="http://codeforces.com/problemset/problem/342/D" target="_blank">Xenia and Dominoes</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #199 (Div. 2)</td>
<td>8</td>
</tr>
<tr>
<td>492</td>
<td><a href="http://codeforces.com/problemset/problem/339/E" target="_blank">Three Swaps</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #197 (Div. 2)</td>
<td>8</td>
</tr>
<tr>
<td>493</td>
<td><a href="http://codeforces.com/problemset/problem/317/C" target="_blank">Balance</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #188 (Div. 1) & Codeforces Round #188 (Div. 2)</td>
<td>8</td>
</tr>
<tr>
<td>494</td>
<td><a href="http://codeforces.com/problemset/problem/288/D" target="_blank">Polo the Penguin and Trees </a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #177 (Div. 1)</td>
<td>8</td>
</tr>
<tr>
<td>495</td>
<td><a href="http://codeforces.com/problemset/problem/267/B" target="_blank">Dominoes</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Testing Round #5</td>
<td>8</td>
</tr>
<tr>
<td>496</td>
<td><a href="http://codeforces.com/problemset/problem/266/D" target="_blank">BerDonalds</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #163 (Div. 2)</td>
<td>8</td>
</tr>
<tr>
<td>497</td>
<td><a href="http://codeforces.com/problemset/problem/254/D" target="_blank">Rats</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #155 (Div. 2)</td>
<td>9</td>
</tr>
<tr>
<td>498</td>
<td><a href="http://codeforces.com/problemset/problem/240/E" target="_blank">Road Repairs</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #145 (Div. 1, ACM-ICPC Rules)</td>
<td>9</td>
</tr>
<tr>
<td>499</td>
<td><a href="http://codeforces.com/problemset/problem/238/E" target="_blank">Meeting Her</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #148 (Div. 1)</td>
<td>9</td>
</tr>
<tr>
<td>500</td>
<td><a href="http://codeforces.com/problemset/problem/217/D" target="_blank">Bitonix' Patrol</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #134 (Div. 1)</td>
<td>9</td>
</tr>
<tr>
<td>501</td>
<td><a href="http://codeforces.com/problemset/problem/182/A" target="_blank">Battlefield</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #117 (Div. 2)</td>
<td>9</td>
</tr>
<tr>
<td>502</td>
<td><a href="http://codeforces.com/problemset/problem/172/E" target="_blank">BHTML+BCSS</a></td>
<td>Codeforces</td>
<td></td>
<td>Croc Champ 2012 - Qualification Round</td>
<td>9</td>
</tr>
<tr>
<td>503</td>
<td><a href="http://codeforces.com/problemset/problem/135/D" target="_blank">Cycle</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #97 (Div. 1)</td>
<td>9</td>
</tr>
<tr>
<td>504</td>
<td><a href="http://codeforces.com/problemset/problem/97/C" target="_blank">Winning Strategy</a></td>
<td>Codeforces</td>
<td></td>
<td>Yandex.Algorithm 2011 Finals</td>
<td>9</td>
</tr>
<tr>
<td>505</td>
<td><a href="http://codeforces.com/problemset/problem/83/C" target="_blank">Track</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #72 (Div. 1 Only) & Codeforces Beta Round #72 (Div. 2 Only)</td>
<td>9</td>
</tr>
<tr>
<td>506</td>
<td><a href="http://codeforces.com/problemset/problem/78/E" target="_blank">Evacuation</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #70 (Div. 2)</td>
<td>9</td>
</tr>
<tr>
<td>507</td>
<td><a href="http://codeforces.com/problemset/problem/75/E" target="_blank">Ship's Shortest Path</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #67 (Div. 2)</td>
<td>9</td>
</tr>
<tr>
<td>508</td>
<td><a href="http://codeforces.com/problemset/problem/65/D" target="_blank">Harry Potter and the Sorting Hat</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #60</td>
<td>9</td>
</tr>
<tr>
<td>509</td>
<td><a href="http://codeforces.com/problemset/problem/62/D" target="_blank">Wormhouse</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #58</td>
<td>9</td>
</tr>
<tr>
<td>510</td>
<td><a href="http://codeforces.com/problemset/problem/51/F" target="_blank">Caterpillar</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #48</td>
<td>9</td>
</tr>
<tr>
<td>511</td>
<td><a href="http://codeforces.com/problemset/problem/37/E" target="_blank">Trial for Chief</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #37</td>
<td>9</td>
</tr>
<tr>
<td>512</td>
<td><a href="http://br.spoj.com/problems/SAOJOAO/" target="_blank">S&amp;#227;o Jo&amp;#227;o</a></td>
<td>SPOJ Brazil</td>
<td></td>
<td></td>
<td>9</td>
</tr>
<tr>
<td>513</td>
<td><a href="http://codeforces.com/problemset/problem/650/E" target="_blank">Clockwork Bomb</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #345 (Div. 1)</td>
<td>9</td>
</tr>
<tr>
<td>514</td>
<td><a href="http://codeforces.com/problemset/problem/596/E" target="_blank">Wilbur and Strings</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #331 (Div. 2)</td>
<td>9</td>
</tr>
<tr>
<td>515</td>
<td><a href="http://codeforces.com/problemset/problem/542/D" target="_blank">Superhero's Job</a></td>
<td>Codeforces</td>
<td></td>
<td>VK Cup 2015 - Round 3 (unofficial online mirror, Div. 1 only)</td>
<td>9</td>
</tr>
<tr>
<td>516</td>
<td><a href="http://codeforces.com/problemset/problem/521/E" target="_blank">Cycling City</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #295 (Div. 1)</td>
<td>9</td>
</tr>
<tr>
<td>517</td>
<td><a href="http://codeforces.com/problemset/problem/475/E" target="_blank">Strongly Connected City 2</a></td>
<td>Codeforces</td>
<td></td>
<td>Bayan 2015 Contest Warm Up</td>
<td>9</td>
</tr>
<tr>
<td>518</td>
<td><a href="http://codeforces.com/problemset/problem/464/E" target="_blank">The Classic Problem</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #265 (Div. 1)</td>
<td>9</td>
</tr>
<tr>
<td>519</td>
<td><a href="http://codeforces.com/problemset/problem/386/D" target="_blank">Game with Points</a></td>
<td>Codeforces</td>
<td></td>
<td>Testing Round #9</td>
<td>9</td>
</tr>
<tr>
<td>520</td>
<td><a href="http://codeforces.com/problemset/problem/375/C" target="_blank">Circling Round Treasures</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #221 (Div. 1) & Codeforces Round #221 (Div. 2)</td>
<td>9</td>
</tr>
<tr>
<td>521</td>
<td><a href="http://codeforces.com/problemset/problem/360/E" target="_blank">Levko and Game</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #210 (Div. 1)</td>
<td>9</td>
</tr>
<tr>
<td>522</td>
<td><a href="http://codeforces.com/problemset/problem/359/E" target="_blank">Neatness</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #209 (Div. 2)</td>
<td>9</td>
</tr>
<tr>
<td>523</td>
<td><a href="http://codeforces.com/problemset/problem/348/E" target="_blank">Pilgrims</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #202 (Div. 1)</td>
<td>9</td>
</tr>
<tr>
<td>524</td>
<td><a href="http://codeforces.com/problemset/problem/343/E" target="_blank">Pumping Stations</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #200 (Div. 1)</td>
<td>9</td>
</tr>
<tr>
<td>525</td>
<td><a href="http://codeforces.com/problemset/problem/325/E" target="_blank">The Red Button</a></td>
<td>Codeforces</td>
<td></td>
<td>MemSQL start[c]up Round 1</td>
<td>9</td>
</tr>
<tr>
<td>526</td>
<td><a href="http://codeforces.com/problemset/problem/325/C" target="_blank">Monsters and Diamonds</a></td>
<td>Codeforces</td>
<td></td>
<td>MemSQL start[c]up Round 1</td>
<td>9</td>
</tr>
<tr>
<td>527</td>
<td><a href="http://codeforces.com/problemset/problem/311/C" target="_blank">Fetch the Treasure</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #185 (Div. 1) & Codeforces Round #185 (Div. 2)</td>
<td>9</td>
</tr>
<tr>
<td>528</td>
<td><a href="http://codeforces.com/problemset/problem/123/E" target="_blank">Maze</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #92 (Div. 1 Only)</td>
<td>9</td>
</tr>
<tr>
<td>529</td>
<td><a href="http://codeforces.com/problemset/problem/81/E" target="_blank">Pairs</a></td>
<td>Codeforces</td>
<td></td>
<td>Yandex.Algorithm Open 2011 Qualification 1</td>
<td>9</td>
</tr>
<tr>
<td>530</td>
<td><a href="http://codeforces.com/problemset/problem/679/D" target="_blank">Bear and Chase</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #356 (Div. 1)</td>
<td>9</td>
</tr>
<tr>
<td>531</td>
<td><a href="http://www.spoj.com/problems/HKRUSKAL/" target="_blank">Simplifying the Farm</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>9</td>
</tr>
<tr>
<td>532</td>
<td><a href="http://codeforces.com/problemset/problem/860/E" target="_blank">Arkady and a Nobody-men</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #434 (Div. 1, based on Technocup 2018 Elimination Round 1)</td>
<td>9</td>
</tr>
<tr>
<td>533</td>
<td><a href="http://codeforces.com/problemset/problem/812/D" target="_blank">Sagheer and Kindergarten</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #417 (Div. 2)</td>
<td>9</td>
</tr>
<tr>
<td>534</td>
<td><a href="http://codeforces.com/problemset/problem/1044/F" target="_blank">DFS</a></td>
<td>Codeforces</td>
<td></td>
<td>Lyft Level 5 Challenge 2018 - Final Round</td>
<td>9</td>
</tr>
<tr>
<td>535</td>
<td><a href="http://codeforces.com/problemset/problem/251/E" target="_blank">Tree and Table</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #153 (Div. 1)</td>
<td>10</td>
</tr>
<tr>
<td>536</td>
<td><a href="http://codeforces.com/problemset/problem/232/C" target="_blank">Doe Graphs</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #144 (Div. 1) & Codeforces Round #144 (Div. 2)</td>
<td>10</td>
</tr>
<tr>
<td>537</td>
<td><a href="http://codeforces.com/problemset/problem/175/F" target="_blank">Gnomes of Might and Magic</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #115</td>
<td>10</td>
</tr>
<tr>
<td>538</td>
<td><a href="http://codeforces.com/problemset/problem/100/H" target="_blank">Battleship</a></td>
<td>Codeforces</td>
<td></td>
<td>Unknown Language Round #3</td>
<td>10</td>
</tr>
<tr>
<td>539</td>
<td><a href="http://codeforces.com/problemset/problem/97/E" target="_blank">Leaders</a></td>
<td>Codeforces</td>
<td></td>
<td>Yandex.Algorithm 2011 Finals</td>
<td>10</td>
</tr>
<tr>
<td>540</td>
<td><a href="http://codeforces.com/problemset/problem/65/E" target="_blank">Harry Potter and Moving Staircases</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #60</td>
<td>10</td>
</tr>
<tr>
<td>541</td>
<td><a href="http://codeforces.com/problemset/problem/57/E" target="_blank">Chess</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #53</td>
<td>10</td>
</tr>
<tr>
<td>542</td>
<td><a href="http://codeforces.com/problemset/problem/42/E" target="_blank">Baldman and the military</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #41</td>
<td>10</td>
</tr>
<tr>
<td>543</td>
<td><a href="http://codeforces.com/problemset/problem/639/F" target="_blank">Bear and Chemistry</a></td>
<td>Codeforces</td>
<td></td>
<td>VK Cup 2016 - Round 1</td>
<td>10</td>
</tr>
<tr>
<td>544</td>
<td><a href="http://codeforces.com/problemset/problem/627/F" target="_blank">Island Puzzle</a></td>
<td>Codeforces</td>
<td></td>
<td>8VC Venture Cup 2016 - Final Round</td>
<td>10</td>
</tr>
<tr>
<td>545</td>
<td><a href="http://codeforces.com/problemset/problem/589/M" target="_blank">Taxi in Berland</a></td>
<td>Codeforces</td>
<td></td>
<td>2015-2016 ACM-ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred)</td>
<td>10</td>
</tr>
<tr>
<td>546</td>
<td><a href="http://codeforces.com/problemset/problem/566/C" target="_blank">Logistical Questions</a></td>
<td>Codeforces</td>
<td></td>
<td>VK Cup 2015 - Finals, online mirror</td>
<td>10</td>
</tr>
<tr>
<td>547</td>
<td><a href="http://codeforces.com/problemset/problem/538/H" target="_blank">Summer Dichotomy</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #300</td>
<td>10</td>
</tr>
<tr>
<td>548</td>
<td><a href="http://codeforces.com/problemset/problem/533/A" target="_blank">Berland Miners</a></td>
<td>Codeforces</td>
<td></td>
<td>VK Cup 2015 - Round 2 (unofficial online mirror, Div. 1 only)</td>
<td>10</td>
</tr>
<tr>
<td>549</td>
<td><a href="http://codeforces.com/problemset/problem/504/E" target="_blank">Misha and LCP on Tree</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #285 (Div. 1)</td>
<td>10</td>
</tr>
<tr>
<td>550</td>
<td><a href="http://codeforces.com/problemset/problem/478/E" target="_blank">Wavy numbers</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #273 (Div. 2)</td>
<td>10</td>
</tr>
<tr>
<td>551</td>
<td><a href="http://codeforces.com/problemset/problem/461/E" target="_blank">Appleman and a Game</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #263 (Div. 1)</td>
<td>10</td>
</tr>
<tr>
<td>552</td>
<td><a href="http://codeforces.com/problemset/problem/424/E" target="_blank">Colored Jenga</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #242 (Div. 2)</td>
<td>10</td>
</tr>
<tr>
<td>553</td>
<td><a href="http://codeforces.com/problemset/problem/345/D" target="_blank">Chain Letter</a></td>
<td>Codeforces</td>
<td></td>
<td>Friday the 13th, Programmers Day</td>
<td>10</td>
</tr>
<tr>
<td>554</td>
<td><a href="http://codeforces.com/problemset/problem/331/D1" target="_blank">Escaping on Beaveractor</a></td>
<td>Codeforces</td>
<td></td>
<td>ABBYY Cup 3.0 - Finals (online version)</td>
<td>10</td>
</tr>
<tr>
<td>555</td>
<td><a href="http://codeforces.com/problemset/problem/317/E" target="_blank">Princess and Her Shadow</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #188 (Div. 1)</td>
<td>10</td>
</tr>
<tr>
<td>556</td>
<td><a href="http://codeforces.com/problemset/problem/316/F3" target="_blank">Suns and Rays</a></td>
<td>Codeforces</td>
<td></td>
<td>ABBYY Cup 3.0</td>
<td>10</td>
</tr>
<tr>
<td>557</td>
<td><a href="http://codeforces.com/problemset/problem/316/F1" target="_blank">Suns and Rays</a></td>
<td>Codeforces</td>
<td></td>
<td>ABBYY Cup 3.0</td>
<td>10</td>
</tr>
<tr>
<td>558</td>
<td><a href="http://codeforces.com/problemset/problem/290/F" target="_blank">Greedy Petya</a></td>
<td>Codeforces</td>
<td></td>
<td>April Fools Day Contest 2013</td>
<td>10</td>
</tr>
<tr>
<td>559</td>
<td><a href="p?ID=410" target="_blank">Dynamic Programming</a></td>
<td>A2 Online Judge</td>
<td></td>
<td></td>
<td>10</td>
</tr>
<tr>
<td>560</td>
<td><a href="http://www.spoj.com/problems/tag/" target="_blank">#dynamic-programming&amp;nbsp;(168)&lt;/span&gt;</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>10</td>
</tr>
<tr>
<td>561</td>
<td><a href="http://www.spoj.com/problems/EPIC1305/" target="_blank">Longest Maze Path</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>10</td>
</tr>
<tr>
<td>562</td>
<td><a href="http://codeforces.com/problemset/problem/891/D" target="_blank">Sloth</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #446 (Div. 1)</td>
<td>10</td>
</tr>
<tr>
<td>563</td>
<td><a href="http://codeforces.com/problemset/problem/786/D" target="_blank">Rap God</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #406 (Div. 1)</td>
<td>10</td>
</tr>
<tr>
<td>564</td>
<td><a href="http://codeforces.com/problemset/problem/842/E" target="_blank">Nikita and game</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #430 (Div. 2)</td>
<td>10</td>
</tr>
<tr>
<td>565</td>
<td><a href="http://codeforces.com/problemset/problem/869/D" target="_blank">The Overdosing Ubiquity</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #439 (Div. 2)</td>
<td>10</td>
</tr>
</table>
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