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<title>A2OJ Category: Codeforces Div. 2 - C Problems</title>
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<b>
<u>
Codeforces Div. 2 - C Problems problems</u></b></font><br/><br/>
<table>
<tr>
<th></th>
<th>Problem Name</th>
<th>Online Judge</th>
<th>Contest</th>
<th>Difficulty Level</th>
</tr>
<tr>
<td>1</td>
<td><a href="http://codeforces.com/problemset/problem/4/C" target="_blank">Registration System</a></td>
<td>Codeforces</td>
<td>Codeforces Beta Round #4 (Div. 2 Only)</td>
<td>1</td>
</tr>
<tr>
<td>2</td>
<td><a href="http://codeforces.com/problemset/problem/20/C" target="_blank">Dijkstra?</a></td>
<td>Codeforces</td>
<td>Codeforces Alpha Round #20 (Codeforces format)</td>
<td>1</td>
</tr>
<tr>
<td>3</td>
<td><a href="http://codeforces.com/problemset/problem/109/A" target="_blank">Lucky Sum of Digits</a></td>
<td>Codeforces</td>
<td>Codeforces Beta Round #84 (Div. 1 Only) & Codeforces Beta Round #84 (Div. 2 Only)</td>
<td>1</td>
</tr>
<tr>
<td>4</td>
<td><a href="http://codeforces.com/problemset/problem/115/A" target="_blank">Party</a></td>
<td>Codeforces</td>
<td>Codeforces Beta Round #87 (Div. 1 Only) & Codeforces Beta Round #87 (Div. 2 Only)</td>
<td>1</td>
</tr>
<tr>
<td>5</td>
<td><a href="http://codeforces.com/problemset/problem/217/A" target="_blank">Ice Skating</a></td>
<td>Codeforces</td>
<td>Codeforces Round #134 (Div. 1) & Codeforces Round #134 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>6</td>
<td><a href="http://codeforces.com/problemset/problem/258/A" target="_blank">Little Elephant and Bits</a></td>
<td>Codeforces</td>
<td>Codeforces Round #157 (Div. 1) & Codeforces Round #157 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>7</td>
<td><a href="http://codeforces.com/problemset/problem/276/C" target="_blank">Little Girl and Maximum Sum</a></td>
<td>Codeforces</td>
<td>Codeforces Round #169 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>8</td>
<td><a href="http://codeforces.com/problemset/problem/277/A" target="_blank">Learning Languages</a></td>
<td>Codeforces</td>
<td>Codeforces Round #170 (Div. 1) & Codeforces Round #170 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>9</td>
<td><a href="http://codeforces.com/problemset/problem/285/C" target="_blank">Building Permutation</a></td>
<td>Codeforces</td>
<td>Codeforces Round #175 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>10</td>
<td><a href="http://codeforces.com/problemset/problem/377/A" target="_blank">Maze</a></td>
<td>Codeforces</td>
<td>Codeforces Round #222 (Div. 1) & Codeforces Round #222 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>11</td>
<td><a href="http://codeforces.com/problemset/problem/401/C" target="_blank">Team</a></td>
<td>Codeforces</td>
<td>Codeforces Round #235 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>12</td>
<td><a href="http://codeforces.com/problemset/problem/431/C" target="_blank">k-Tree</a></td>
<td>Codeforces</td>
<td>Codeforces Round #247 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>13</td>
<td><a href="http://codeforces.com/problemset/problem/455/A" target="_blank">Boredom</a></td>
<td>Codeforces</td>
<td>Codeforces Round #260 (Div. 1) & Codeforces Round #260 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>14</td>
<td><a href="http://codeforces.com/problemset/problem/461/A" target="_blank">Appleman and Toastman</a></td>
<td>Codeforces</td>
<td>Codeforces Round #263 (Div. 1) & Codeforces Round #263 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>15</td>
<td><a href="http://codeforces.com/problemset/problem/466/C" target="_blank">Number of Ways</a></td>
<td>Codeforces</td>
<td>Codeforces Round #266 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>16</td>
<td><a href="http://codeforces.com/problemset/problem/478/C" target="_blank">Table Decorations</a></td>
<td>Codeforces</td>
<td>Codeforces Round #273 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>17</td>
<td><a href="http://codeforces.com/problemset/problem/479/C" target="_blank">Exams</a></td>
<td>Codeforces</td>
<td>Codeforces Round #274 (Div. 2) & Codeforces Round #274 (Div. 1)</td>
<td>1</td>
</tr>
<tr>
<td>18</td>
<td><a href="http://codeforces.com/problemset/problem/482/A" target="_blank">Diverse Permutation</a></td>
<td>Codeforces</td>
<td>Codeforces Round #275 (Div. 1) & Codeforces Round #275 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>19</td>
<td><a href="http://codeforces.com/problemset/problem/489/C" target="_blank">Given Length and Sum of Digits...</a></td>
<td>Codeforces</td>
<td>Codeforces Round #277.5 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>20</td>
<td><a href="http://codeforces.com/problemset/problem/515/C" target="_blank">Drazil and Factorial</a></td>
<td>Codeforces</td>
<td>Codeforces Round #292 (Div. 2) & Codeforces Round #292 (Div. 1)</td>
<td>1</td>
</tr>
<tr>
<td>21</td>
<td><a href="http://codeforces.com/problemset/problem/519/C" target="_blank">A and B and Team Training</a></td>
<td>Codeforces</td>
<td>Codeforces Round #294 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>22</td>
<td><a href="http://codeforces.com/problemset/problem/545/C" target="_blank">Woodcutters</a></td>
<td>Codeforces</td>
<td>Codeforces Round #303 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>23</td>
<td><a href="http://codeforces.com/problemset/problem/546/C" target="_blank">Soldier and Cards</a></td>
<td>Codeforces</td>
<td>Codeforces Round #304 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>24</td>
<td><a href="http://codeforces.com/problemset/problem/550/C" target="_blank">Divisibility by Eight</a></td>
<td>Codeforces</td>
<td>Codeforces Round #306 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>25</td>
<td><a href="http://codeforces.com/problemset/problem/559/A" target="_blank">Gerald's Hexagon</a></td>
<td>Codeforces</td>
<td>Codeforces Round #313 (Div. 1) & Codeforces Round #313 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>26</td>
<td><a href="http://codeforces.com/problemset/problem/573/A" target="_blank">Bear and Poker</a></td>
<td>Codeforces</td>
<td>Codeforces Round #318 [RussianCodeCup Thanks-Round] (Div. 1) & Codeforces Round #318 [RussianCodeCup Thanks-Round] (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>27</td>
<td><a href="http://codeforces.com/problemset/problem/576/A" target="_blank">Vasya and Petya's Game</a></td>
<td>Codeforces</td>
<td>Codeforces Round #319 (Div. 1) & Codeforces Round #319 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>28</td>
<td><a href="http://codeforces.com/problemset/problem/580/C" target="_blank">Kefa and Park</a></td>
<td>Codeforces</td>
<td>Codeforces Round #321 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>29</td>
<td><a href="http://codeforces.com/problemset/problem/650/A" target="_blank">Watchmen</a></td>
<td>Codeforces</td>
<td>Codeforces Round #345 (Div. 1) & Codeforces Round #345 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>30</td>
<td><a href="http://codeforces.com/problemset/problem/659/C" target="_blank">Tanya and Toys</a></td>
<td>Codeforces</td>
<td>Codeforces Round #346 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>31</td>
<td><a href="http://codeforces.com/problemset/problem/687/A" target="_blank">NP-Hard Problem</a></td>
<td>Codeforces</td>
<td>Codeforces Round #360 (Div. 1) & Codeforces Round #360 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>32</td>
<td><a href="http://codeforces.com/problemset/problem/698/A" target="_blank">Vacations</a></td>
<td>Codeforces</td>
<td>Codeforces Round #363 (Div. 1) & Codeforces Round #363 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>33</td>
<td><a href="http://codeforces.com/problemset/problem/732/C" target="_blank">Sanatorium</a></td>
<td>Codeforces</td>
<td>Codeforces Round #377 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>34</td>
<td><a href="http://codeforces.com/problemset/problem/166/E" target="_blank">Tetrahedron</a></td>
<td>Codeforces</td>
<td>Codeforces Round #113 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>35</td>
<td><a href="http://codeforces.com/problemset/problem/779/C" target="_blank">Dishonest Sellers</a></td>
<td>Codeforces</td>
<td>Codeforces Round #402 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>36</td>
<td><a href="http://codeforces.com/problemset/problem/804/A" target="_blank">Find Amir</a></td>
<td>Codeforces</td>
<td>Codeforces Round #411 (Div. 1) & Codeforces Round #411 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>37</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1186" target="_blank">The Closest Pair Problem</a></td>
<td>UVA</td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>38</td>
<td><a href="http://codeforces.com/problemset/problem/875/A" target="_blank">Classroom Watch</a></td>
<td>Codeforces</td>
<td>Codeforces Round #441 (Div. 1, by Moscow Team Olympiad) & Codeforces Round #441 (Div. 2, by Moscow Team Olympiad)</td>
<td>1</td>
</tr>
<tr>
<td>39</td>
<td><a href="http://codeforces.com/problemset/problem/701/A" target="_blank">Cards</a></td>
<td>Codeforces</td>
<td>Codeforces Round #364 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>40</td>
<td><a href="http://codeforces.com/problemset/problem/6/C" target="_blank">Alice, Bob and Chocolate</a></td>
<td>Codeforces</td>
<td>Codeforces Beta Round #6 (Div. 2 Only)</td>
<td>2</td>
</tr>
<tr>
<td>41</td>
<td><a href="http://codeforces.com/problemset/problem/9/C" target="_blank">Hexadecimal's Numbers</a></td>
<td>Codeforces</td>
<td>Codeforces Beta Round #9 (Div. 2 Only)</td>
<td>2</td>
</tr>
<tr>
<td>42</td>
<td><a href="http://codeforces.com/problemset/problem/131/C" target="_blank">The World is a Theatre</a></td>
<td>Codeforces</td>
<td>Codeforces Beta Round #95 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>43</td>
<td><a href="http://codeforces.com/problemset/problem/145/A" target="_blank">Lucky Conversion</a></td>
<td>Codeforces</td>
<td>Codeforces Round #104 (Div. 1) & Codeforces Round #104 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>44</td>
<td><a href="http://codeforces.com/problemset/problem/152/C" target="_blank">Pocket Book</a></td>
<td>Codeforces</td>
<td>Codeforces Round #108 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>45</td>
<td><a href="http://codeforces.com/problemset/problem/165/C" target="_blank">Another Problem on Strings</a></td>
<td>Codeforces</td>
<td>Codeforces Round #112 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>46</td>
<td><a href="http://codeforces.com/problemset/problem/220/A" target="_blank">Little Elephant and Problem</a></td>
<td>Codeforces</td>
<td>Codeforces Round #136 (Div. 1) & Codeforces Round #136 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>47</td>
<td><a href="http://codeforces.com/problemset/problem/235/A" target="_blank">LCM Challenge</a></td>
<td>Codeforces</td>
<td>Codeforces Round #146 (Div. 1) & Codeforces Round #146 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>48</td>
<td><a href="http://codeforces.com/problemset/problem/251/A" target="_blank">Points on Line</a></td>
<td>Codeforces</td>
<td>Codeforces Round #153 (Div. 1) & Codeforces Round #153 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>49</td>
<td><a href="http://codeforces.com/problemset/problem/264/A" target="_blank">Escape from Stones</a></td>
<td>Codeforces</td>
<td>Codeforces Round #162 (Div. 1) & Codeforces Round #162 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>50</td>
<td><a href="http://codeforces.com/problemset/problem/268/C" target="_blank">Beautiful Sets of Points</a></td>
<td>Codeforces</td>
<td>Codeforces Round #164 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>51</td>
<td><a href="http://codeforces.com/problemset/problem/274/A" target="_blank">k-Multiple Free Set</a></td>
<td>Codeforces</td>
<td>Codeforces Round #168 (Div. 1) & Codeforces Round #168 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>52</td>
<td><a href="http://codeforces.com/problemset/problem/288/A" target="_blank">Polo the Penguin and Strings</a></td>
<td>Codeforces</td>
<td>Codeforces Round #177 (Div. 1) & Codeforces Round #177 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>53</td>
<td><a href="http://codeforces.com/problemset/problem/295/A" target="_blank">Greg and Array</a></td>
<td>Codeforces</td>
<td>Codeforces Round #179 (Div. 1) & Codeforces Round #179 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>54</td>
<td><a href="http://codeforces.com/problemset/problem/343/A" target="_blank">Rational Resistance</a></td>
<td>Codeforces</td>
<td>Codeforces Round #200 (Div. 1) & Codeforces Round #200 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>55</td>
<td><a href="http://codeforces.com/problemset/problem/346/A" target="_blank">Alice and Bob</a></td>
<td>Codeforces</td>
<td>Codeforces Round #201 (Div. 1) & Codeforces Round #201 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>56</td>
<td><a href="http://codeforces.com/problemset/problem/348/A" target="_blank">Mafia</a></td>
<td>Codeforces</td>
<td>Codeforces Round #202 (Div. 1) & Codeforces Round #202 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>57</td>
<td><a href="http://codeforces.com/problemset/problem/356/A" target="_blank">Knight Tournament</a></td>
<td>Codeforces</td>
<td>Codeforces Round #207 (Div. 1) & Codeforces Round #207 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>58</td>
<td><a href="http://codeforces.com/problemset/problem/363/C" target="_blank">Fixing Typos</a></td>
<td>Codeforces</td>
<td>Codeforces Round #211 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>59</td>
<td><a href="http://codeforces.com/problemset/problem/371/C" target="_blank">Hamburgers</a></td>
<td>Codeforces</td>
<td>Codeforces Round #218 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>60</td>
<td><a href="http://codeforces.com/problemset/problem/372/A" target="_blank">Counting Kangaroos is Fun</a></td>
<td>Codeforces</td>
<td>Codeforces Round #219 (Div. 1) & Codeforces Round #219 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>61</td>
<td><a href="http://codeforces.com/problemset/problem/388/A" target="_blank">Fox and Box Accumulation</a></td>
<td>Codeforces</td>
<td>Codeforces Round #228 (Div. 1) & Codeforces Round #228 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>62</td>
<td><a href="http://codeforces.com/problemset/problem/414/A" target="_blank">Mashmokh and Numbers</a></td>
<td>Codeforces</td>
<td>Codeforces Round #240 (Div. 1) & Codeforces Round #240 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>63</td>
<td><a href="http://codeforces.com/problemset/problem/427/C" target="_blank">Checkposts</a></td>
<td>Codeforces</td>
<td>Codeforces Round #244 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>64</td>
<td><a href="http://codeforces.com/problemset/problem/429/A" target="_blank">Xor-tree</a></td>
<td>Codeforces</td>
<td>Codeforces Round #245 (Div. 1) & Codeforces Round #245 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>65</td>
<td><a href="http://codeforces.com/problemset/problem/437/C" target="_blank">The Child and Toy</a></td>
<td>Codeforces</td>
<td>Codeforces Round #250 (Div. 2) & Codeforces Round #250 (Div. 1)</td>
<td>2</td>
</tr>
<tr>
<td>66</td>
<td><a href="http://codeforces.com/problemset/problem/441/C" target="_blank">Valera and Tubes </a></td>
<td>Codeforces</td>
<td>Codeforces Round #252 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>67</td>
<td><a href="http://codeforces.com/problemset/problem/446/A" target="_blank">DZY Loves Sequences</a></td>
<td>Codeforces</td>
<td>Codeforces Round #255 (Div. 1) & Codeforces Round #255 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>68</td>
<td><a href="http://codeforces.com/problemset/problem/453/A" target="_blank">Little Pony and Expected Maximum</a></td>
<td>Codeforces</td>
<td>Codeforces Round #259 (Div. 1) & Codeforces Round #259 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>69</td>
<td><a href="http://codeforces.com/problemset/problem/467/C" target="_blank">George and Job</a></td>
<td>Codeforces</td>
<td>Codeforces Round #267 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>70</td>
<td><a href="http://codeforces.com/problemset/problem/468/A" target="_blank">24 Game</a></td>
<td>Codeforces</td>
<td>Codeforces Round #268 (Div. 1) & Codeforces Round #268 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>71</td>
<td><a href="http://codeforces.com/problemset/problem/472/C" target="_blank">Design Tutorial: Make It Nondeterministic</a></td>
<td>Codeforces</td>
<td>Codeforces Round #270</td>
<td>2</td>
</tr>
<tr>
<td>72</td>
<td><a href="http://codeforces.com/problemset/problem/484/A" target="_blank">Bits</a></td>
<td>Codeforces</td>
<td>Codeforces Round #276 (Div. 1) & Codeforces Round #276 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>73</td>
<td><a href="http://codeforces.com/problemset/problem/486/C" target="_blank">Palindrome Transformation</a></td>
<td>Codeforces</td>
<td>Codeforces Round #277 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>74</td>
<td><a href="http://codeforces.com/problemset/problem/490/C" target="_blank">Hacking Cypher</a></td>
<td>Codeforces</td>
<td>Codeforces Round #279 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>75</td>
<td><a href="http://codeforces.com/problemset/problem/492/C" target="_blank">Vanya and Exams</a></td>
<td>Codeforces</td>
<td>Codeforces Round #280 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>76</td>
<td><a href="http://codeforces.com/problemset/problem/496/C" target="_blank">Removing Columns</a></td>
<td>Codeforces</td>
<td>Codeforces Round #283 (Div. 2) & Codeforces Round #283 (Div. 1)</td>
<td>2</td>
</tr>
<tr>
<td>77</td>
<td><a href="http://codeforces.com/problemset/problem/498/A" target="_blank">Crazy Town</a></td>
<td>Codeforces</td>
<td>Codeforces Round #284 (Div. 1) & Codeforces Round #284 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>78</td>
<td><a href="http://codeforces.com/problemset/problem/510/C" target="_blank">Fox And Names</a></td>
<td>Codeforces</td>
<td>Codeforces Round #290 (Div. 2) & Codeforces Round #290 (Div. 1)</td>
<td>2</td>
</tr>
<tr>
<td>79</td>
<td><a href="http://codeforces.com/problemset/problem/518/C" target="_blank">Anya and Smartphone</a></td>
<td>Codeforces</td>
<td>Codeforces Round #293 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>80</td>
<td><a href="http://codeforces.com/problemset/problem/538/C" target="_blank">Tourist's Notes</a></td>
<td>Codeforces</td>
<td>Codeforces Round #300</td>
<td>2</td>
</tr>
<tr>
<td>81</td>
<td><a href="http://codeforces.com/problemset/problem/553/A" target="_blank">Kyoya and Colored Balls</a></td>
<td>Codeforces</td>
<td>Codeforces Round #309 (Div. 1) & Codeforces Round #309 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>82</td>
<td><a href="http://codeforces.com/problemset/problem/555/A" target="_blank">Case of Matryoshkas</a></td>
<td>Codeforces</td>
<td>Codeforces Round #310 (Div. 1) & Codeforces Round #310 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>83</td>
<td><a href="http://codeforces.com/problemset/problem/567/C" target="_blank">Geometric Progression</a></td>
<td>Codeforces</td>
<td>Codeforces Round #Pi (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>84</td>
<td><a href="http://codeforces.com/problemset/problem/570/C" target="_blank">Replacement</a></td>
<td>Codeforces</td>
<td>Codeforces Round #316 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>85</td>
<td><a href="http://codeforces.com/problemset/problem/581/C" target="_blank">Developing Skills</a></td>
<td>Codeforces</td>
<td>Codeforces Round #322 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>86</td>
<td><a href="http://codeforces.com/problemset/problem/582/A" target="_blank">GCD Table</a></td>
<td>Codeforces</td>
<td>Codeforces Round #323 (Div. 1) & Codeforces Round #323 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>87</td>
<td><a href="http://codeforces.com/problemset/problem/587/A" target="_blank">Duff and Weight Lifting</a></td>
<td>Codeforces</td>
<td>Codeforces Round #326 (Div. 1) & Codeforces Round #326 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>88</td>
<td><a href="http://codeforces.com/problemset/problem/601/A" target="_blank">The Two Routes</a></td>
<td>Codeforces</td>
<td>Codeforces Round #333 (Div. 1) & Codeforces Round #333 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>89</td>
<td><a href="http://codeforces.com/problemset/problem/603/A" target="_blank">Alternative Thinking</a></td>
<td>Codeforces</td>
<td>Codeforces Round #334 (Div. 1) & Codeforces Round #334 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>90</td>
<td><a href="http://codeforces.com/problemset/problem/605/A" target="_blank">Sorting Railway Cars</a></td>
<td>Codeforces</td>
<td>Codeforces Round #335 (Div. 1) & Codeforces Round #335 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>91</td>
<td><a href="http://codeforces.com/problemset/problem/607/A" target="_blank">Chain Reaction</a></td>
<td>Codeforces</td>
<td>Codeforces Round #336 (Div. 1) & Codeforces Round #336 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>92</td>
<td><a href="http://codeforces.com/problemset/problem/625/C" target="_blank">K-special Tables</a></td>
<td>Codeforces</td>
<td>Codeforces Round #342 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>93</td>
<td><a href="http://codeforces.com/problemset/problem/670/C" target="_blank">Cinema</a></td>
<td>Codeforces</td>
<td>Codeforces Round #350 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>94</td>
<td><a href="http://codeforces.com/problemset/problem/676/C" target="_blank">Vasya and String</a></td>
<td>Codeforces</td>
<td>Codeforces Round #354 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>95</td>
<td><a href="http://codeforces.com/problemset/problem/679/A" target="_blank">Bear and Prime 100</a></td>
<td>Codeforces</td>
<td>Codeforces Round #356 (Div. 1) & Codeforces Round #356 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>96</td>
<td><a href="http://codeforces.com/problemset/problem/701/C" target="_blank">They Are Everywhere</a></td>
<td>Codeforces</td>
<td>Codeforces Round #364 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>97</td>
<td><a href="http://codeforces.com/problemset/problem/704/A" target="_blank">Thor</a></td>
<td>Codeforces</td>
<td>Codeforces Round #366 (Div. 1) & Codeforces Round #366 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>98</td>
<td><a href="http://codeforces.com/problemset/problem/706/C" target="_blank">Hard problem</a></td>
<td>Codeforces</td>
<td>Codeforces Round #367 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>99</td>
<td><a href="http://codeforces.com/problemset/problem/707/C" target="_blank">Pythagorean Triples</a></td>
<td>Codeforces</td>
<td>Codeforces Round #368 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>100</td>
<td><a href="http://codeforces.com/problemset/problem/713/A" target="_blank">Sonya and Queries</a></td>
<td>Codeforces</td>
<td>Codeforces Round #371 (Div. 1) & Codeforces Round #371 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>101</td>
<td><a href="http://codeforces.com/problemset/problem/715/A" target="_blank">Plus and Square Root</a></td>
<td>Codeforces</td>
<td>Codeforces Round #372 (Div. 1) & Codeforces Round #372 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>102</td>
<td><a href="http://codeforces.com/problemset/problem/739/A" target="_blank">Alyona and mex</a></td>
<td>Codeforces</td>
<td>Codeforces Round #381 (Div. 1) & Codeforces Round #381 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>103</td>
<td><a href="http://codeforces.com/problemset/problem/735/C" target="_blank">Tennis Championship</a></td>
<td>Codeforces</td>
<td>Codeforces Round #382 (Div. 2) & Codeforces Round #382 (Div. 1)</td>
<td>2</td>
</tr>
<tr>
<td>104</td>
<td><a href="http://codeforces.com/problemset/problem/743/C" target="_blank">Vladik and fractions</a></td>
<td>Codeforces</td>
<td>Codeforces Round #384 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>105</td>
<td><a href="http://codeforces.com/problemset/problem/755/C" target="_blank">PolandBall and Forest</a></td>
<td>Codeforces</td>
<td>8VC Venture Cup 2017 - Elimination Round</td>
<td>2</td>
</tr>
<tr>
<td>106</td>
<td><a href="http://codeforces.com/problemset/problem/763/A" target="_blank">Timofey and a tree</a></td>
<td>Codeforces</td>
<td>Codeforces Round #395 (Div. 1) & Codeforces Round #395 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>107</td>
<td><a href="http://codeforces.com/problemset/problem/765/C" target="_blank">Table Tennis Game 2</a></td>
<td>Codeforces</td>
<td>Codeforces Round #397 by Kaspersky Lab and Barcelona Bootcamp (Div. 1 + Div. 2 combined)</td>
<td>2</td>
</tr>
<tr>
<td>108</td>
<td><a href="http://codeforces.com/problemset/problem/780/C" target="_blank">Andryusha and Colored Balloons</a></td>
<td>Codeforces</td>
<td>?????????? 2017 - ????? (?????? ??? ??????-??????????)</td>
<td>2</td>
</tr>
<tr>
<td>109</td>
<td><a href="http://codeforces.com/problemset/problem/785/C" target="_blank">Anton and Fairy Tale</a></td>
<td>Codeforces</td>
<td>Codeforces Round #404 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>110</td>
<td><a href="http://codeforces.com/problemset/problem/771/B" target="_blank">Bear and Different Names</a></td>
<td>Codeforces</td>
<td>VK Cup 2017 - Round 1</td>
<td>2</td>
</tr>
<tr>
<td>111</td>
<td><a href="http://codeforces.com/problemset/problem/788/A" target="_blank">Functions again</a></td>
<td>Codeforces</td>
<td>Codeforces Round #407 (Div. 1) & Codeforces Round #407 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>112</td>
<td><a href="http://codeforces.com/problemset/problem/812/C" target="_blank">Sagheer and Nubian Market</a></td>
<td>Codeforces</td>
<td>Codeforces Round #417 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>113</td>
<td><a href="http://codeforces.com/problemset/problem/840/A" target="_blank">Leha and Function</a></td>
<td>Codeforces</td>
<td>Codeforces Round #429 (Div. 1) & Codeforces Round #429 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>114</td>
<td><a href="http://codeforces.com/problemset/problem/839/C" target="_blank">Journey</a></td>
<td>Codeforces</td>
<td>Codeforces Round #428 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>115</td>
<td><a href="http://codeforces.com/problemset/problem/639/B" target="_blank">Bear and Forgotten Tree 3</a></td>
<td>Codeforces</td>
<td>VK Cup 2016 - Round 1</td>
<td>2</td>
</tr>
<tr>
<td>116</td>
<td><a href="http://codeforces.com/problemset/problem/864/C" target="_blank">Bus</a></td>
<td>Codeforces</td>
<td>Codeforces Round #436 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>117</td>
<td><a href="http://codeforces.com/problemset/problem/870/C" target="_blank">Maximum splitting</a></td>
<td>Codeforces</td>
<td>Technocup 2018 - Elimination Round 2</td>
<td>2</td>
</tr>
<tr>
<td>118</td>
<td><a href="http://codeforces.com/problemset/problem/893/C" target="_blank">Rumor</a></td>
<td>Codeforces</td>
<td>Educational Codeforces Round 33 (Rated for Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>119</td>
<td><a href="http://codeforces.com/problemset/problem/919/C" target="_blank">Seat Arrangements</a></td>
<td>Codeforces</td>
<td>Codeforces Round #460 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>120</td>
<td><a href="http://codeforces.com/problemset/problem/3/C" target="_blank">Tic-tac-toe</a></td>
<td>Codeforces</td>
<td>Codeforces Beta Round #3</td>
<td>3</td>
</tr>
<tr>
<td>121</td>
<td><a href="http://codeforces.com/problemset/problem/5/C" target="_blank">Longest Regular Bracket Sequence</a></td>
<td>Codeforces</td>
<td>Codeforces Beta Round #5</td>
<td>3</td>
</tr>
<tr>
<td>122</td>
<td><a href="http://codeforces.com/problemset/problem/18/C" target="_blank">Stripe</a></td>
<td>Codeforces</td>
<td>Codeforces Beta Round #18 (Div. 2 Only)</td>
<td>3</td>
</tr>
<tr>
<td>123</td>
<td><a href="http://codeforces.com/problemset/problem/75/C" target="_blank">Modified GCD</a></td>
<td>Codeforces</td>
<td>Codeforces Beta Round #67 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>124</td>
<td><a href="http://codeforces.com/problemset/problem/103/B" target="_blank">Cthulhu</a></td>
<td>Codeforces</td>
<td>Codeforces Beta Round #80 (Div. 1 Only) & Codeforces Beta Round #80 (Div. 2 Only)</td>
<td>3</td>
</tr>
<tr>
<td>125</td>
<td><a href="http://codeforces.com/problemset/problem/111/A" target="_blank">Petya and Inequiations</a></td>
<td>Codeforces</td>
<td>Codeforces Beta Round #85 (Div. 1 Only) & Codeforces Beta Round #85 (Div. 2 Only)</td>
<td>3</td>
</tr>
<tr>
<td>126</td>
<td><a href="http://codeforces.com/problemset/problem/121/A" target="_blank">Lucky Sum</a></td>
<td>Codeforces</td>
<td>Codeforces Beta Round #91 (Div. 1 Only) & Codeforces Beta Round #91 (Div. 2 Only)</td>
<td>3</td>
</tr>
<tr>
<td>127</td>
<td><a href="http://codeforces.com/problemset/problem/135/A" target="_blank">Replacement</a></td>
<td>Codeforces</td>
<td>Codeforces Beta Round #97 (Div. 1) & Codeforces Beta Round #97 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>128</td>
<td><a href="http://codeforces.com/problemset/problem/137/C" target="_blank">History</a></td>
<td>Codeforces</td>
<td>Codeforces Beta Round #98 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>129</td>
<td><a href="http://codeforces.com/problemset/problem/150/A" target="_blank">Win or Freeze</a></td>
<td>Codeforces</td>
<td>Codeforces Round #107 (Div. 1) & Codeforces Round #107 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>130</td>
<td><a href="http://codeforces.com/problemset/problem/166/C" target="_blank">Median</a></td>
<td>Codeforces</td>
<td>Codeforces Round #113 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>131</td>
<td><a href="http://codeforces.com/problemset/problem/185/A" target="_blank">Plant</a></td>
<td>Codeforces</td>
<td>Codeforces Round #118 (Div. 1) & Codeforces Round #118 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>132</td>
<td><a href="http://codeforces.com/problemset/problem/196/A" target="_blank">Lexicographically Maximum Subsequence</a></td>
<td>Codeforces</td>
<td>Codeforces Round #124 (Div. 1) & Codeforces Round #124 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>133</td>
<td><a href="http://codeforces.com/problemset/problem/203/C" target="_blank">Photographer</a></td>
<td>Codeforces</td>
<td>Codeforces Round #128 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>134</td>
<td><a href="http://codeforces.com/problemset/problem/204/A" target="_blank">Little Elephant and Interval</a></td>
<td>Codeforces</td>
<td>Codeforces Round #129 (Div. 1) & Codeforces Round #129 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>135</td>
<td><a href="http://codeforces.com/problemset/problem/219/C" target="_blank">Color Stripe</a></td>
<td>Codeforces</td>
<td>Codeforces Round #135 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>136</td>
<td><a href="http://codeforces.com/problemset/problem/225/C" target="_blank">Barcode</a></td>
<td>Codeforces</td>
<td>Codeforces Round #139 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>137</td>