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<u>
Codeforces Div. 2 - D Problems 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://codeforces.com/problemset/problem/339/D" target="_blank">Xenia and Bit Operations</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #197 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>2</td>
<td><a href="http://codeforces.com/problemset/problem/414/B" target="_blank">Mashmokh and ACM</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #240 (Div. 1) & Codeforces Round #240 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>3</td>
<td><a href="http://codeforces.com/problemset/problem/474/D" target="_blank">Flowers</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #271 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>4</td>
<td><a href="http://codeforces.com/problemset/problem/545/D" target="_blank">Queue</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #303 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>5</td>
<td><a href="http://codeforces.com/problemset/problem/166/E" target="_blank">Tetrahedron</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #113 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>6</td>
<td><a href="https://icpcarchive.ecs.baylor.edu/index.php?option=onlinejudge&page=show_problem&problem=3133" target="_blank">Coffee Central</a></td>
<td>Live Archive</td>
<td>2011</td>
<td>World Finals - Orlando</td>
<td>1</td>
</tr>
<tr>
<td>7</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=1346" target="_blank">Longest Common Subsequence</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>8</td>
<td><a href="http://codeforces.com/problemset/problem/118/D" target="_blank">Caesar's Legions</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #89 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>9</td>
<td><a href="http://codeforces.com/problemset/problem/126/B" target="_blank">Password</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #93 (Div. 1 Only) & Codeforces Beta Round #93 (Div. 2 Only)</td>
<td>2</td>
</tr>
<tr>
<td>10</td>
<td><a href="http://codeforces.com/problemset/problem/208/D" target="_blank">Prizes, Prizes, more Prizes</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #130 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>11</td>
<td><a href="http://codeforces.com/problemset/problem/343/B" target="_blank">Alternating Current</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #200 (Div. 1) & Codeforces Round #200 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>12</td>
<td><a href="http://codeforces.com/problemset/problem/448/D" target="_blank">Multiplication Table</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #256 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>13</td>
<td><a href="http://codeforces.com/problemset/problem/493/D" target="_blank">Vasya and Chess</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #281 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>14</td>
<td><a href="http://codeforces.com/problemset/problem/546/D" target="_blank">Soldier and Number Game</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #304 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>15</td>
<td><a href="http://codeforces.com/problemset/problem/559/B" target="_blank">Equivalent Strings</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #313 (Div. 1) & Codeforces Round #313 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>16</td>
<td><a href="http://codeforces.com/problemset/problem/584/D" target="_blank">Dima and Lisa</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #324 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>17</td>
<td><a href="http://codeforces.com/problemset/problem/670/D1" target="_blank">Magic Powder - 1</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #350 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>18</td>
<td><a href="http://codeforces.com/problemset/problem/670/D2" target="_blank">Magic Powder - 2</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #350 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>19</td>
<td><a href="http://codeforces.com/problemset/problem/735/D" target="_blank">Taxes</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>20</td>
<td><a href="http://codeforces.com/problemset/problem/778/A" target="_blank">String Game</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #402 (Div. 1) & Codeforces Round #402 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>21</td>
<td><a href="http://codeforces.com/problemset/problem/804/B" target="_blank">Minimum number of steps</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #411 (Div. 1) & Codeforces Round #411 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>22</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>23</td>
<td><a href="http://codeforces.com/problemset/problem/182/D" target="_blank">Common Divisors</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #117 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>24</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>25</td>
<td><a href="http://codeforces.com/problemset/problem/220/B" target="_blank">Little Elephant and Array</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #136 (Div. 1) & Codeforces Round #136 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>26</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>27</td>
<td><a href="http://codeforces.com/problemset/problem/264/B" target="_blank">Good Sequences</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #162 (Div. 1) & Codeforces Round #162 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>28</td>
<td><a href="http://codeforces.com/problemset/problem/269/B" target="_blank">Greenhouse Effect</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #165 (Div. 1) & Codeforces Round #165 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>29</td>
<td><a href="http://codeforces.com/problemset/problem/271/D" target="_blank">Good Substrings</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #166 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>30</td>
<td><a href="http://codeforces.com/problemset/problem/276/D" target="_blank">Little Girl and Maximum XOR</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #169 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>31</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>32</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>33</td>
<td><a href="http://codeforces.com/problemset/problem/340/D" target="_blank">Bubble Sort Graph</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #198 (Div. 2) & Codeforces Round #198 (Div. 1)</td>
<td>3</td>
</tr>
<tr>
<td>34</td>
<td><a href="http://codeforces.com/problemset/problem/407/B" target="_blank">Long Path</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #239 (Div. 1) & Codeforces Round #239 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>35</td>
<td><a href="http://codeforces.com/problemset/problem/429/B" target="_blank">Working out</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #245 (Div. 1) & Codeforces Round #245 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>36</td>
<td><a href="http://codeforces.com/problemset/problem/442/B" target="_blank">Andrey and Problem</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #253 (Div. 1) & Codeforces Round #253 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>37</td>
<td><a href="http://codeforces.com/problemset/problem/459/D" target="_blank">Pashmak and Parmida's problem</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #261 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>38</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>39</td>
<td><a href="http://codeforces.com/problemset/problem/479/D" target="_blank">Long Jumps</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #274 (Div. 2) & Codeforces Round #274 (Div. 1)</td>
<td>3</td>
</tr>
<tr>
<td>40</td>
<td><a href="http://codeforces.com/problemset/problem/482/B" target="_blank">Interesting Array</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #275 (Div. 1) & Codeforces Round #275 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>41</td>
<td><a href="http://codeforces.com/problemset/problem/484/B" target="_blank">Maximum Value</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #276 (Div. 1) & Codeforces Round #276 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>42</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>43</td>
<td><a href="http://codeforces.com/problemset/problem/518/D" target="_blank">Ilya and Escalator</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #293 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>44</td>
<td><a href="http://codeforces.com/problemset/problem/519/D" target="_blank">A and B and Interesting Substrings</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #294 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>45</td>
<td><a href="http://codeforces.com/problemset/problem/547/B" target="_blank">Mike and Feet</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #305 (Div. 1) & Codeforces Round #305 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>46</td>
<td><a href="http://codeforces.com/problemset/problem/573/B" target="_blank">Bear and Blocks</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>3</td>
</tr>
<tr>
<td>47</td>
<td><a href="http://codeforces.com/problemset/problem/578/B" target="_blank">&quot;Or&quot; Game</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #320 (Div. 1) [Bayan Thanks-Round] & Codeforces Round #320 (Div. 2) [Bayan Thanks-Round]</td>
<td>3</td>
</tr>
<tr>
<td>48</td>
<td><a href="http://codeforces.com/problemset/problem/580/D" target="_blank">Kefa and Dishes</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #321 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>49</td>
<td><a href="http://codeforces.com/problemset/problem/607/B" target="_blank">Zuma</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #336 (Div. 1) & Codeforces Round #336 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>50</td>
<td><a href="http://codeforces.com/problemset/problem/617/D" target="_blank">Polyline</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #340 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>51</td>
<td><a href="http://codeforces.com/problemset/problem/659/D" target="_blank">Bicycle Race</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #346 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>52</td>
<td><a href="http://codeforces.com/problemset/problem/698/B" target="_blank">Fix a Tree</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #363 (Div. 1) & Codeforces Round #363 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>53</td>
<td><a href="http://codeforces.com/problemset/problem/706/D" target="_blank">Vasiliy's Multiset</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #367 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>54</td>
<td><a href="http://codeforces.com/problemset/problem/723/D" target="_blank">Lakes in Berland</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #375 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>55</td>
<td><a href="http://codeforces.com/problemset/problem/732/D" target="_blank">Exams</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #377 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>56</td>
<td><a href="http://codeforces.com/problemset/problem/733/D" target="_blank">Kostya the Sculptor</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #378 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>57</td>
<td><a href="http://codeforces.com/problemset/problem/734/D" target="_blank">Anton and Chess</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #379 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>58</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>59</td>
<td><a href="http://codeforces.com/problemset/problem/746/D" target="_blank">Green and Black Tea</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #386 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>60</td>
<td><a href="http://codeforces.com/problemset/problem/777/D" target="_blank">Cloud of Hashtags</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #401 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>61</td>
<td><a href="http://codeforces.com/problemset/problem/864/D" target="_blank">Make a Permutation!</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #436 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>62</td>
<td><a href="http://codeforces.com/problemset/problem/875/B" target="_blank">Sorting the Coins</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #441 (Div. 1, by Moscow Team Olympiad) & Codeforces Round #441 (Div. 2, by Moscow Team Olympiad)</td>
<td>3</td>
</tr>
<tr>
<td>63</td>
<td><a href="http://codeforces.com/problemset/problem/939/D" target="_blank">Love Rescue</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #464 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>64</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>65</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>66</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>67</td>
<td><a href="http://codeforces.com/problemset/problem/91/B" target="_blank">Queue</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #75 (Div. 1 Only) & Codeforces Beta Round #75 (Div. 2 Only)</td>
<td>4</td>
</tr>
<tr>
<td>68</td>
<td><a href="http://codeforces.com/problemset/problem/111/B" target="_blank">Petya and Divisors</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #85 (Div. 1 Only) & Codeforces Beta Round #85 (Div. 2 Only)</td>
<td>4</td>
</tr>
<tr>
<td>69</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>70</td>
<td><a href="http://codeforces.com/problemset/problem/148/D" target="_blank">Bag of mice</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #105 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>71</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>72</td>
<td><a href="http://codeforces.com/problemset/problem/154/B" target="_blank">Colliders</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #109 (Div. 1) & Codeforces Round #109 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>73</td>
<td><a href="http://codeforces.com/problemset/problem/204/B" target="_blank">Little Elephant and Cards</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #129 (Div. 1) & Codeforces Round #129 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>74</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>75</td>
<td><a href="http://codeforces.com/problemset/problem/231/D" target="_blank">Magic Box</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #143 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>76</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>77</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>78</td>
<td><a href="http://codeforces.com/problemset/problem/288/B" target="_blank">Polo the Penguin and Houses </a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #177 (Div. 1)</td>
<td>4</td>
</tr>
<tr>
<td>79</td>
<td><a href="http://codeforces.com/problemset/problem/297/B" target="_blank">Fish Weight</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #180 (Div. 1) & Codeforces Round #180 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>80</td>
<td><a href="http://codeforces.com/problemset/problem/319/B" target="_blank">Psychos in a Line</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #189 (Div. 1) & Codeforces Round #189 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>81</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>82</td>
<td><a href="http://codeforces.com/problemset/problem/359/D" target="_blank">Pair of Numbers</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #209 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>83</td>
<td><a href="http://codeforces.com/problemset/problem/371/D" target="_blank">Vessels</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #218 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>84</td>
<td><a href="http://codeforces.com/problemset/problem/375/B" target="_blank">Maximum Submatrix 2</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #221 (Div. 1) & Codeforces Round #221 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>85</td>
<td><a href="http://codeforces.com/problemset/problem/405/D" target="_blank">Toy Sum</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #238 (Div. 2) & Codeforces Round #238 (Div. 1)</td>
<td>4</td>
</tr>
<tr>
<td>86</td>
<td><a href="http://codeforces.com/problemset/problem/432/D" target="_blank">Prefixes and Suffixes</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #246 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>87</td>
<td><a href="http://codeforces.com/problemset/problem/437/D" target="_blank">The Child and Zoo</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #250 (Div. 2) & Codeforces Round #250 (Div. 1)</td>
<td>4</td>
</tr>
<tr>
<td>88</td>
<td><a href="http://codeforces.com/problemset/problem/439/D" target="_blank">Devu and his Brother</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #251 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>89</td>
<td><a href="http://codeforces.com/problemset/problem/446/B" target="_blank">DZY Loves Modification</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #255 (Div. 1) & Codeforces Round #255 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>90</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>91</td>
<td><a href="http://codeforces.com/problemset/problem/451/D" target="_blank">Count Good Substrings</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #258 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>92</td>
<td><a href="http://codeforces.com/problemset/problem/453/B" target="_blank">Little Pony and Harmony Chest</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #259 (Div. 1) & Codeforces Round #259 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>93</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>94</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>95</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>96</td>
<td><a href="http://codeforces.com/problemset/problem/471/D" target="_blank">MUH and Cube Walls</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #269 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>97</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>98</td>
<td><a href="http://codeforces.com/problemset/problem/476/D" target="_blank">Dreamoon and Sets</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #272 (Div. 2) & Codeforces Round #272 (Div. 1)</td>
<td>4</td>
</tr>
<tr>
<td>99</td>
<td><a href="http://codeforces.com/problemset/problem/478/D" target="_blank">Red-Green Towers</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #273 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>100</td>
<td><a href="http://codeforces.com/problemset/problem/492/D" target="_blank">Vanya and Computer Game</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #280 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>101</td>
<td><a href="http://codeforces.com/problemset/problem/496/D" target="_blank">Tennis Game</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #283 (Div. 2) & Codeforces Round #283 (Div. 1)</td>
<td>4</td>
</tr>
<tr>
<td>102</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>103</td>
<td><a href="http://codeforces.com/problemset/problem/515/D" target="_blank">Drazil and Tiles</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #292 (Div. 2) & Codeforces Round #292 (Div. 1)</td>
<td>4</td>
</tr>
<tr>
<td>104</td>
<td><a href="http://codeforces.com/problemset/problem/527/D" target="_blank">Clique Problem</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #296 (Div. 2) & Codeforces Round #296 (Div. 1)</td>
<td>4</td>
</tr>
<tr>
<td>105</td>
<td><a href="http://codeforces.com/problemset/problem/535/D" target="_blank">Tavas and Malekas</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #299 (Div. 2) & Codeforces Round #299 (Div. 1)</td>
<td>4</td>
</tr>
<tr>
<td>106</td>
<td><a href="http://codeforces.com/problemset/problem/538/D" target="_blank">Weird Chess</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #300</td>
<td>4</td>
</tr>
<tr>
<td>107</td>
<td><a href="http://codeforces.com/problemset/problem/540/D" target="_blank">Bad Luck Island</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #301 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>108</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>109</td>
<td><a href="http://codeforces.com/problemset/problem/550/D" target="_blank">Regular Bridge</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #306 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>110</td>
<td><a href="http://codeforces.com/problemset/problem/552/D" target="_blank">Vanya and Triangles</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #308 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>111</td>
<td><a href="http://codeforces.com/problemset/problem/555/B" target="_blank">Case of Fugitive</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #310 (Div. 1) & Codeforces Round #310 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>112</td>
<td><a href="http://codeforces.com/problemset/problem/567/D" target="_blank">One-Dimensional Battle Ships</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #Pi (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>113</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>114</td>
<td><a href="http://codeforces.com/problemset/problem/581/D" target="_blank">Three Logos</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #322 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>115</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>116</td>
<td><a href="http://codeforces.com/problemset/problem/599/D" target="_blank">Spongebob and Squares</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #332 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>117</td>
<td><a href="http://codeforces.com/problemset/problem/605/B" target="_blank">Lazy Student</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #335 (Div. 1) & Codeforces Round #335 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>118</td>
<td><a href="http://codeforces.com/problemset/problem/615/D" target="_blank">Multipliers</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #338 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>119</td>
<td><a href="http://codeforces.com/problemset/problem/629/D" target="_blank">Babaei and Birthday Cake</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #343 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>120</td>
<td><a href="http://codeforces.com/problemset/problem/650/B" target="_blank">Image Preview</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #345 (Div. 1) & Codeforces Round #345 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>121</td>
<td><a href="http://codeforces.com/problemset/problem/641/C" target="_blank">Little Artem and Dance</a></td>
<td>Codeforces</td>
<td></td>
<td>VK Cup 2016 - Round 2</td>
<td>4</td>
</tr>
<tr>
<td>122</td>
<td><a href="http://codeforces.com/problemset/problem/643/B" target="_blank">Bear and Two Paths</a></td>
<td>Codeforces</td>
<td></td>
<td>VK Cup 2016 - Round 3</td>
<td>4</td>
</tr>
<tr>
<td>123</td>
<td><a href="http://codeforces.com/problemset/problem/671/B" target="_blank">Robin Hood</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #352 (Div. 1) & Codeforces Round #352 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>124</td>
<td><a href="http://codeforces.com/problemset/problem/675/D" target="_blank">Tree Construction</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #353 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>125</td>
<td><a href="http://codeforces.com/problemset/problem/687/B" target="_blank">Remainders Game</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #360 (Div. 1) & Codeforces Round #360 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>126</td>
<td><a href="http://codeforces.com/problemset/problem/696/B" target="_blank">Puzzles</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #362 (Div. 1) & Codeforces Round #362 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>127</td>
<td><a href="http://codeforces.com/problemset/problem/700/A" target="_blank">As Fast As Possible</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>128</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>129</td>
<td><a href="http://codeforces.com/problemset/problem/729/D" target="_blank">Sea Battle</a></td>
<td>Codeforces</td>
<td></td>
<td>Technocup 2017 - Elimination Round 2</td>
<td>4</td>
</tr>
<tr>
<td>130</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>131</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>132</td>
<td><a href="http://codeforces.com/problemset/problem/761/D" target="_blank">Dasha and Very Difficult Problem</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #394 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>133</td>
<td><a href="http://codeforces.com/problemset/problem/756/B" target="_blank">Travel Card</a></td>
<td>Codeforces</td>
<td></td>
<td>8VC Venture Cup 2017 - Final Round</td>
<td>4</td>
</tr>
<tr>
<td>134</td>
<td><a href="http://codeforces.com/problemset/problem/776/D" target="_blank">The Door Problem</a></td>
<td>Codeforces</td>
<td></td>
<td>ICM Technex 2017 and Codeforces Round #400 (Div. 1 + Div. 2, combined)</td>
<td>4</td>
</tr>
<tr>
<td>135</td>
<td><a href="http://codeforces.com/problemset/problem/780/D" target="_blank">Innokenty and a Football League</a></td>
<td>Codeforces</td>
<td></td>
<td>?????????? 2017 - ????? (?????? ??? ??????-??????????)</td>
<td>4</td>
</tr>
<tr>
<td>136</td>
<td><a href="http://codeforces.com/problemset/problem/772/B" target="_blank">Volatile Kite</a></td>
<td>Codeforces</td>
<td></td>
<td>VK Cup 2017 - Round 2</td>
<td>4</td>
</tr>
<tr>
<td>137</td>
<td><a href="http://codeforces.com/problemset/problem/830/A" target="_blank">Office Keys</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #424 (Div. 1, rated, based on VK Cup Finals) & Codeforces Round #424 (Div. 2, rated, based on VK Cup Finals)</td>
<td>4</td>
</tr>
<tr>
<td>138</td>
<td><a href="http://codeforces.com/problemset/problem/827/B" target="_blank">High Load</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #423 (Div. 1, rated, based on VK Cup Finals) & Codeforces Round #423 (Div. 2, rated, based on VK Cup Finals)</td>
<td>4</td>
</tr>
<tr>
<td>139</td>
<td><a href="http://codeforces.com/problemset/problem/822/D" target="_blank">My pretty girl Noora</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #422 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>140</td>
<td><a href="http://codeforces.com/problemset/problem/898/D" target="_blank">Alarm Clock</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #451 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>141</td>
<td><a href="http://codeforces.com/problemset/problem/159/D" target="_blank">Palindrome pairs</a></td>
<td>Codeforces</td>
<td></td>
<td>VK Cup 2012 Qualification Round 2</td>
<td>4</td>
</tr>
<tr>
<td>142</td>
<td><a href="http://codeforces.com/problemset/problem/3/D" target="_blank">Least Cost Bracket Sequence</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #3</td>
<td>5</td>
</tr>
<tr>
<td>143</td>
<td><a href="http://codeforces.com/problemset/problem/7/D" target="_blank">Palindrome Degree</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #7</td>
<td>5</td>
</tr>
<tr>
<td>144</td>
<td><a href="http://codeforces.com/problemset/problem/9/D" target="_blank">How many trees?</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #9 (Div. 2 Only)</td>
<td>5</td>
</tr>
<tr>
<td>145</td>
<td><a href="http://codeforces.com/problemset/problem/11/D" target="_blank">A Simple Task</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #11</td>
<td>5</td>
</tr>
<tr>
<td>146</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>147</td>
<td><a href="http://codeforces.com/problemset/problem/66/D" target="_blank">Petya and His Friends</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #61 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>148</td>
<td><a href="http://codeforces.com/problemset/problem/77/B" target="_blank">Falling Anvils</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #69 (Div. 1 Only) & Codeforces Beta Round #69 (Div. 2 Only)</td>
<td>5</td>
</tr>
<tr>
<td>149</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>150</td>
<td><a href="http://codeforces.com/problemset/problem/107/B" target="_blank">Basketball Team</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #83 (Div. 1 Only) & Codeforces Beta Round #83 (Div. 2 Only)</td>
<td>5</td>
</tr>
<tr>
<td>151</td>
<td><a href="http://codeforces.com/problemset/problem/113/B" target="_blank">Petr#</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #86 (Div. 1 Only) & Codeforces Beta Round #86 (Div. 2 Only)</td>
<td>5</td>
</tr>
<tr>
<td>152</td>
<td><a href="http://codeforces.com/problemset/problem/115/B" target="_blank">Lawnmower</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #87 (Div. 1 Only) & Codeforces Beta Round #87 (Div. 2 Only)</td>
<td>5</td>
</tr>
<tr>
<td>153</td>
<td><a href="http://codeforces.com/problemset/problem/121/B" target="_blank">Lucky Transformation</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #91 (Div. 1 Only) & Codeforces Beta Round #91 (Div. 2 Only)</td>
<td>5</td>
</tr>
<tr>
<td>154</td>
<td><a href="http://codeforces.com/problemset/problem/135/B" target="_blank">Rectangle and Square</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #97 (Div. 1) & Codeforces Beta Round #97 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>155</td>
<td><a href="http://codeforces.com/problemset/problem/140/D" target="_blank">New Year Contest</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #100</td>
<td>5</td>
</tr>
<tr>
<td>156</td>
<td><a href="http://codeforces.com/problemset/problem/142/B" target="_blank">Help General</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #102 (Div. 1) & Codeforces Round #102 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>157</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>158</td>
<td><a href="http://codeforces.com/problemset/problem/145/B" target="_blank">Lucky Number 2</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #104 (Div. 1) & Codeforces Round #104 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>159</td>
<td><a href="http://codeforces.com/problemset/problem/156/B" target="_blank">Suspects</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #110 (Div. 1) & Codeforces Round #110 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>160</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>161</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>162</td>
<td><a href="http://codeforces.com/problemset/problem/222/D" target="_blank">Olympiad</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #137 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>163</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>164</td>
<td><a href="http://codeforces.com/problemset/problem/272/D" target="_blank">Dima and Two Sequences</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #167 (Div. 2) & Codeforces Round #167 (Div. 1)</td>
<td>5</td>
</tr>
<tr>
<td>165</td>
<td><a href="http://codeforces.com/problemset/problem/280/B" target="_blank">Maximum Xor Secondary</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #172 (Div. 1) & Codeforces Round #172 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>166</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>167</td>
<td><a href="http://codeforces.com/problemset/problem/321/B" target="_blank">Ciel and Duel</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #190 (Div. 1) & Codeforces Round #190 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>168</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>169</td>
<td><a href="http://codeforces.com/problemset/problem/333/B" target="_blank">Chips</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #194 (Div. 1) & Codeforces Round #194 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>170</td>
<td><a href="http://codeforces.com/problemset/problem/346/B" target="_blank">Lucky Common Subsequence</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #201 (Div. 1) & Codeforces Round #201 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>171</td>
<td><a href="http://codeforces.com/problemset/problem/351/B" target="_blank">Jeff and Furik</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #204 (Div. 1) & Codeforces Round #204 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>172</td>
<td><a href="http://codeforces.com/problemset/problem/353/D" target="_blank">Queue</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #205 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>173</td>
<td><a href="http://codeforces.com/problemset/problem/356/B" target="_blank">Xenia and Hamming</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #207 (Div. 1) & Codeforces Round #207 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>174</td>
<td><a href="http://codeforces.com/problemset/problem/358/D" target="_blank">Dima and Hares</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #208 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>175</td>
<td><a href="http://codeforces.com/problemset/problem/360/B" target="_blank">Levko and Array</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #210 (Div. 1) & Codeforces Round #210 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>176</td>
<td><a href="http://codeforces.com/problemset/problem/363/D" target="_blank">Renting Bikes</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #211 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>177</td>
<td><a href="http://codeforces.com/problemset/problem/367/B" target="_blank">Sereja ans Anagrams</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #215 (Div. 1) & Codeforces Round #215 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>178</td>
<td><a href="http://codeforces.com/problemset/problem/372/B" target="_blank">Counting Rectangles is Fun</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #219 (Div. 1) & Codeforces Round #219 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>179</td>
<td><a href="http://codeforces.com/problemset/problem/377/B" target="_blank">Preparing for the Contest</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #222 (Div. 1) & Codeforces Round #222 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>180</td>
<td><a href="http://codeforces.com/problemset/problem/388/B" target="_blank">Fox and Minimal path</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #228 (Div. 1) & Codeforces Round #228 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>181</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>182</td>
<td><a href="http://codeforces.com/problemset/problem/401/D" target="_blank">Roman and Numbers</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #235 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>183</td>
<td><a href="http://codeforces.com/problemset/problem/402/D" target="_blank">Upgrading Array</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #236 (Div. 2) & Codeforces Round #236 (Div. 1)</td>
<td>5</td>
</tr>
<tr>
<td>184</td>
<td><a href="http://codeforces.com/problemset/problem/464/B" target="_blank">Restore Cube </a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #265 (Div. 1)</td>
<td>5</td>
</tr>
<tr>
<td>185</td>
<td><a href="http://codeforces.com/problemset/problem/466/D" target="_blank">Increase Sequence</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #266 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>186</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>187</td>
<td><a href="http://codeforces.com/problemset/problem/488/D" target="_blank">Strip</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #278 (Div. 2) & Codeforces Round #278 (Div. 1) & Codeforces Round #278 (Div. 2) & Codeforces Round #278 (Div. 1)</td>
<td>5</td>
</tr>
<tr>
<td>188</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>189</td>
<td><a href="http://codeforces.com/problemset/problem/494/B" target="_blank">Obsessive String</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #282 (Div. 1) & Codeforces Round #282 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>190</td>
<td><a href="http://codeforces.com/problemset/problem/501/D" target="_blank">Misha and Permutations Summation</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #285 (Div. 2) & Codeforces Round #285 (Div. 1)</td>
<td>5</td>
</tr>
<tr>
<td>191</td>
<td><a href="http://codeforces.com/problemset/problem/514/D" target="_blank">R2D2 and Droid Army</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #291 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>192</td>
<td><a href="http://codeforces.com/problemset/problem/534/D" target="_blank">Handshakes</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #298 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>193</td>
<td><a href="http://codeforces.com/problemset/problem/553/B" target="_blank">Kyoya and Permutation</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #309 (Div. 1) & Codeforces Round #309 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>194</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>195</td>
<td><a href="http://codeforces.com/problemset/problem/568/B" target="_blank">Symmetric and Transitive</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #315 (Div. 1) & Codeforces Round #315 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>196</td>
<td><a href="http://codeforces.com/problemset/problem/571/B" target="_blank">Minimization</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>5</td>
</tr>
<tr>
<td>197</td>
<td><a href="http://codeforces.com/problemset/problem/590/B" target="_blank">Chip 'n Dale Rescue Rangers</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>198</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>199</td>
<td><a href="http://codeforces.com/problemset/problem/601/B" target="_blank">Lipshitz Sequence</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #333 (Div. 1) & Codeforces Round #333 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>200</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>201</td>
<td><a href="http://codeforces.com/problemset/problem/613/B" target="_blank">Skills</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #339 (Div. 1) & Codeforces Round #339 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>202</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>203</td>
<td><a href="http://codeforces.com/problemset/problem/679/B" target="_blank">Bear and Tower of Cubes</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #356 (Div. 1) & Codeforces Round #356 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>204</td>
<td><a href="http://codeforces.com/problemset/problem/682/D" target="_blank">Alyona and Strings</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #358 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>205</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>206</td>
<td><a href="http://codeforces.com/problemset/problem/689/D" target="_blank">Friends and Subsequences</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #361 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>207</td>
<td><a href="http://codeforces.com/problemset/problem/703/D" target="_blank">Mishka and Interesting sum</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #365 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>208</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>209</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>210</td>
<td><a href="http://codeforces.com/problemset/problem/721/D" target="_blank">Maxim and Array</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #374 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>211</td>
<td><a href="http://codeforces.com/problemset/problem/749/D" target="_blank">Leaving Auction</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #388 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>212</td>
<td><a href="http://codeforces.com/problemset/problem/747/D" target="_blank">Winter Is Coming</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #387 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>213</td>
<td><a href="http://codeforces.com/problemset/problem/754/D" target="_blank">Fedor and coupons</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #390 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>214</td>
<td><a href="http://codeforces.com/problemset/problem/758/D" target="_blank">Ability To Convert</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #392 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>215</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>216</td>
<td><a href="http://codeforces.com/problemset/problem/763/B" target="_blank">Timofey and rectangles</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #395 (Div. 1) & Codeforces Round #395 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>217</td>
<td><a href="http://codeforces.com/problemset/problem/765/D" target="_blank">Artsem and Saunders</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #397 by Kaspersky Lab and Barcelona Bootcamp (Div. 1 + Div. 2 combined)</td>
<td>5</td>
</tr>
<tr>
<td>218</td>
<td><a href="http://codeforces.com/problemset/problem/767/D" target="_blank">Cartons of milk</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #398 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>219</td>
<td><a href="http://codeforces.com/problemset/problem/768/D" target="_blank">Jon and Orbs</a></td>
<td>Codeforces</td>
<td></td>
<td>Divide by Zero 2017 and Codeforces Round #399 (Div. 1 + Div. 2, combined)</td>
<td>5</td>
</tr>
<tr>
<td>220</td>
<td><a href="http://codeforces.com/problemset/problem/785/D" target="_blank">Anton and School - 2</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #404 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>221</td>
<td><a href="http://codeforces.com/problemset/problem/771/C" target="_blank">Bear and Tree Jumps</a></td>
<td>Codeforces</td>
<td></td>
<td>VK Cup 2017 - Round 1</td>
<td>5</td>
</tr>
<tr>
<td>222</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>223</td>
<td><a href="http://codeforces.com/problemset/problem/796/D" target="_blank">Police Stations</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #408 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>224</td>
<td><a href="http://codeforces.com/problemset/problem/799/D" target="_blank">Field expansion</a></td>
<td>Codeforces</td>
<td></td>
<td>Playrix Codescapes Cup (Codeforces Round #413, rated, Div. 1 + Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>225</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>226</td>
<td><a href="http://codeforces.com/problemset/problem/839/D" target="_blank">Winter is here</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #428 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>227</td>
<td><a href="http://codeforces.com/problemset/problem/835/D" target="_blank">Palindromic characteristics</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #427 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>228</td>
<td><a href="http://codeforces.com/problemset/problem/833/B" target="_blank">The Bakery</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #426 (Div. 1) & Codeforces Round #426 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>229</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>230</td>
<td><a href="http://codeforces.com/problemset/problem/891/B" target="_blank">Gluttony</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #446 (Div. 1) & Codeforces Round #446 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>231</td>
<td><a href="http://codeforces.com/problemset/problem/959/D" target="_blank">Mahmoud and Ehab and another array construction task</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #473 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>232</td>
<td><a href="http://codeforces.com/problemset/problem/6/D" target="_blank">Lizards and Basements 2</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #6 (Div. 2 Only)</td>
<td>6</td>
</tr>
<tr>
<td>233</td>
<td><a href="http://codeforces.com/problemset/problem/10/D" target="_blank">LCIS</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #10</td>
<td>6</td>
</tr>
<tr>
<td>234</td>
<td><a href="http://codeforces.com/problemset/problem/22/D" target="_blank">Segments</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #22 (Div. 2 Only)</td>
<td>6</td>
</tr>
<tr>
<td>235</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>236</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>237</td>
<td><a href="http://codeforces.com/problemset/problem/35/D" target="_blank">Animals</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #35 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>238</td>
<td><a href="http://codeforces.com/problemset/problem/48/D" target="_blank">Permutations</a></td>
<td>Codeforces</td>
<td></td>
<td>School Personal Contest #3 (Winter Computer School 2010/11) - Codeforces Beta Round #45 (ACM-ICPC Rules)</td>
<td>6</td>
</tr>
<tr>
<td>239</td>
<td><a href="http://codeforces.com/problemset/problem/53/D" target="_blank">Physical Education</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #49 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>240</td>
<td><a href="http://codeforces.com/problemset/problem/55/D" target="_blank">Beautiful numbers</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #51</td>
<td>6</td>
</tr>
<tr>
<td>241</td>
<td><a href="http://codeforces.com/problemset/problem/83/B" target="_blank">Doctor</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #72 (Div. 1 Only) & Codeforces Beta Round #72 (Div. 2 Only)</td>
<td>6</td>
</tr>
<tr>
<td>242</td>
<td><a href="http://codeforces.com/problemset/problem/101/B" target="_blank">Buses</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #79 (Div. 1 Only) & Codeforces Beta Round #79 (Div. 2 Only)</td>
<td>6</td>
</tr>
<tr>
<td>243</td>
<td><a href="http://codeforces.com/problemset/problem/109/B" target="_blank">Lucky Probability</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #84 (Div. 1 Only) & Codeforces Beta Round #84 (Div. 2 Only)</td>
<td>6</td>
</tr>
<tr>
<td>244</td>
<td><a href="http://codeforces.com/problemset/problem/128/B" target="_blank">String</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #94 (Div. 1 Only) & Codeforces Beta Round #94 (Div. 2 Only)</td>
<td>6</td>
</tr>
<tr>
<td>245</td>
<td><a href="http://codeforces.com/problemset/problem/137/D" target="_blank">Palindromes</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #98 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>246</td>
<td><a href="http://codeforces.com/problemset/problem/149/D" target="_blank">Coloring Brackets</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #106 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>247</td>
<td><a href="http://codeforces.com/problemset/problem/167/B" target="_blank">Wizards and Huge Prize</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #114 (Div. 1) & Codeforces Round #114 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>248</td>
<td><a href="http://codeforces.com/problemset/problem/185/B" target="_blank">Mushroom Scientists</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #118 (Div. 1) & Codeforces Round #118 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>249</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>250</td>
<td><a href="http://codeforces.com/problemset/problem/190/D" target="_blank">Non-Secret Cypher</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #120 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>251</td>
<td><a href="http://codeforces.com/problemset/problem/201/B" target="_blank">Guess That Car!</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #127 (Div. 1) & Codeforces Round #127 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>252</td>
<td><a href="http://codeforces.com/problemset/problem/203/D" target="_blank">Hit Ball</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #128 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>253</td>
<td><a href="http://codeforces.com/problemset/problem/213/B" target="_blank">Numbers</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>254</td>
<td><a href="http://codeforces.com/problemset/problem/215/D" target="_blank">Hot Days</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #132 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>255</td>
<td><a href="http://codeforces.com/problemset/problem/223/B" target="_blank">Two Strings</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #138 (Div. 1) & Codeforces Round #138 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>256</td>
<td><a href="http://codeforces.com/problemset/problem/226/B" target="_blank">Naughty Stone Piles</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #140 (Div. 1) & Codeforces Round #140 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>257</td>
<td><a href="http://codeforces.com/problemset/problem/232/B" target="_blank">Table</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #144 (Div. 1) & Codeforces Round #144 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>258</td>
<td><a href="http://codeforces.com/problemset/problem/234/D" target="_blank">Cinema</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #145 (Div. 2, ACM-ICPC Rules) & Codeforces Round #145 (Div. 1, ACM-ICPC Rules)</td>
<td>6</td>
</tr>
<tr>
<td>259</td>
<td><a href="http://codeforces.com/problemset/problem/235/B" target="_blank">Let's Play Osu!</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #146 (Div. 1) & Codeforces Round #146 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>260</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>261</td>
<td><a href="http://codeforces.com/problemset/problem/243/B" target="_blank">Hydra</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #150 (Div. 1) & Codeforces Round #150 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>262</td>
<td><a href="http://codeforces.com/problemset/problem/251/B" target="_blank">Playing with Permutations</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #153 (Div. 1) & Codeforces Round #153 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>263</td>
<td><a href="http://codeforces.com/problemset/problem/255/D" target="_blank">Mr. Bender and Square</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #156 (Div. 2) & Codeforces Round #156 (Div. 1)</td>
<td>6</td>
</tr>
<tr>
<td>264</td>
<td><a href="http://codeforces.com/problemset/problem/258/B" target="_blank">Little Elephant and Elections</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #157 (Div. 1) & Codeforces Round #157 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>265</td>
<td><a href="http://codeforces.com/problemset/problem/257/D" target="_blank">Sum</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #159 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>266</td>
<td><a href="http://codeforces.com/problemset/problem/261/B" target="_blank">Maxim and Restaurant</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #160 (Div. 1) & Codeforces Round #160 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>267</td>
<td><a href="http://codeforces.com/problemset/problem/282/D" target="_blank">Yet Another Number Game</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #173 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>268</td>
<td><a href="http://codeforces.com/problemset/problem/285/D" target="_blank">Permutation Sum</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #175 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>269</td>
<td><a href="http://codeforces.com/problemset/problem/303/B" target="_blank">Rectangle Puzzle II</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #183 (Div. 1) & Codeforces Round #183 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>270</td>
<td><a href="http://codeforces.com/problemset/problem/313/D" target="_blank">Ilya and Roads</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #186 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>271</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>272</td>
<td><a href="http://codeforces.com/problemset/problem/317/B" target="_blank">Ants</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #188 (Div. 1) & Codeforces Round #188 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>273</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>274</td>
<td><a href="http://codeforces.com/problemset/problem/404/D" target="_blank">Minesweeper 1D</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #237 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>275</td>
<td><a href="http://codeforces.com/problemset/problem/425/B" target="_blank">Sereja and Table </a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #243 (Div. 1)</td>
<td>6</td>
</tr>
<tr>
<td>276</td>
<td><a href="http://codeforces.com/problemset/problem/427/D" target="_blank">Match &amp; Catch</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #244 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>277</td>
<td><a href="http://codeforces.com/problemset/problem/431/D" target="_blank">Random Task</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #247 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>278</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>279</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>280</td>
<td><a href="http://codeforces.com/problemset/problem/507/D" target="_blank">The Maths Lecture</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #287 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>281</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>282</td>
<td><a href="http://codeforces.com/problemset/problem/520/D" target="_blank">Cubes</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #295 (Div. 2) & Codeforces Round #295 (Div. 1)</td>
<td>6</td>
</tr>
<tr>
<td>283</td>
<td><a href="http://codeforces.com/problemset/problem/525/D" target="_blank">Arthur and Walls</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #297 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>284</td>
<td><a href="http://codeforces.com/problemset/problem/551/D" target="_blank">GukiZ and Binary Operations</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #307 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>285</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>286</td>
<td><a href="http://codeforces.com/problemset/problem/587/B" target="_blank">Duff in Beach</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #326 (Div. 1) & Codeforces Round #326 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>287</td>
<td><a href="http://codeforces.com/problemset/problem/631/D" target="_blank">Messenger</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #344 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>288</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>289</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>290</td>
<td><a href="http://codeforces.com/problemset/problem/677/D" target="_blank">Vanya and Treasure</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #355 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>291</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>292</td>
<td><a href="http://codeforces.com/problemset/problem/712/D" target="_blank">Memory and Scores</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #370 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>293</td>
<td><a href="http://codeforces.com/problemset/problem/713/B" target="_blank">Searching Rectangles</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #371 (Div. 1) & Codeforces Round #371 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>294</td>
<td><a href="http://codeforces.com/problemset/problem/744/B" target="_blank">Hongcow's Game</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #385 (Div. 1) & Codeforces Round #385 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>295</td>
<td><a href="http://codeforces.com/problemset/problem/748/D" target="_blank">Santa Claus and a Palindrome</a></td>
<td>Codeforces</td>
<td></td>
<td>Technocup 2017 - Elimination Round 3</td>
<td>6</td>
</tr>
<tr>
<td>296</td>
<td><a href="http://codeforces.com/problemset/problem/757/D" target="_blank">Felicity's Big Secret Revealed</a></td>
<td>Codeforces</td>
<td></td>
<td>Codecraft-17 and Codeforces Round #391 (Div. 1 + Div. 2, combined)</td>
<td>6</td>
</tr>
<tr>
<td>297</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>298</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>299</td>
<td><a href="http://codeforces.com/problemset/problem/809/B" target="_blank">Glad to see you!</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #415 (Div. 1) & Codeforces Round #415 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>300</td>
<td><a href="http://codeforces.com/problemset/problem/773/B" target="_blank">Dynamic Problem Scoring</a></td>
<td>Codeforces</td>
<td></td>
<td>VK Cup 2017 - Round 3</td>
<td>6</td>
</tr>
<tr>
<td>301</td>
<td><a href="http://codeforces.com/problemset/problem/798/D" target="_blank">Mike and distribution</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #410 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>302</td>
<td><a href="http://codeforces.com/problemset/problem/815/B" target="_blank">Karen and Test</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #419 (Div. 1) & Codeforces Round #419 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>303</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>304</td>
<td><a href="http://codeforces.com/problemset/problem/819/B" target="_blank">Mister B and PR Shifts</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #421 (Div. 1) & Codeforces Round #421 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>305</td>
<td><a href="http://codeforces.com/problemset/problem/873/D" target="_blank">Merge Sort</a></td>
<td>Codeforces</td>
<td></td>
<td>Educational Codeforces Round 30</td>
<td>6</td>
</tr>
<tr>
<td>306</td>
<td><a href="http://codeforces.com/problemset/problem/5/D" target="_blank">Follow Traffic Rules</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #5</td>
<td>7</td>
</tr>
<tr>
<td>307</td>
<td><a href="http://codeforces.com/problemset/problem/12/D" target="_blank">Ball</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #12 (Div 2 Only)</td>
<td>7</td>
</tr>
<tr>
<td>308</td>
<td><a href="http://codeforces.com/problemset/problem/16/D" target="_blank">Logging</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #16 (Div. 2 Only)</td>
<td>7</td>
</tr>
<tr>
<td>309</td>
<td><a href="http://codeforces.com/problemset/problem/18/D" target="_blank">Seller Bob</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #18 (Div. 2 Only)</td>
<td>7</td>
</tr>
<tr>
<td>310</td>
<td><a href="http://codeforces.com/problemset/problem/19/D" target="_blank">Points</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #19</td>
<td>7</td>
</tr>
<tr>
<td>311</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>312</td>
<td><a href="http://codeforces.com/problemset/problem/32/D" target="_blank">Constellation</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #32 (Div. 2, Codeforces format)</td>
<td>7</td>
</tr>
<tr>
<td>313</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>314</td>
<td><a href="http://codeforces.com/problemset/problem/41/D" target="_blank">Pawn</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #40 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>315</td>
<td><a href="http://codeforces.com/problemset/problem/43/D" target="_blank">Journey</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #42 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>316</td>
<td><a href="http://codeforces.com/problemset/problem/46/D" target="_blank">Parking Lot</a></td>
<td>Codeforces</td>
<td></td>
<td>School Personal Contest #2 (Winter Computer School 2010/11) - Codeforces Beta Round #43 (ACM-ICPC Rules)</td>
<td>7</td>
</tr>
<tr>
<td>317</td>
<td><a href="http://codeforces.com/problemset/problem/49/D" target="_blank">Game</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #46 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>318</td>
<td><a href="http://codeforces.com/problemset/problem/56/D" target="_blank">Changing a String</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #52 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>319</td>
<td><a href="http://codeforces.com/problemset/problem/69/D" target="_blank">Dot</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #63 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>320</td>
<td><a href="http://codeforces.com/problemset/problem/75/D" target="_blank">Big Maximum Sum</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #67 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>321</td>
<td><a href="http://codeforces.com/problemset/problem/87/B" target="_blank">Vasya and Types</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #73 (Div. 1 Only) & Codeforces Beta Round #73 (Div. 2 Only)</td>
<td>7</td>
</tr>
<tr>
<td>322</td>
<td><a href="http://codeforces.com/problemset/problem/93/B" target="_blank">End of Exams</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #76 (Div. 1 Only) & Codeforces Beta Round #76 (Div. 2 Only)</td>
<td>7</td>
</tr>
<tr>
<td>323</td>
<td><a href="http://codeforces.com/problemset/problem/103/C" target="_blank">Russian Roulette</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #80 (Div. 1 Only) & Codeforces Beta Round #80 (Div. 2 Only)</td>
<td>7</td>
</tr>
<tr>
<td>324</td>
<td><a href="http://codeforces.com/problemset/problem/106/D" target="_blank">Treasure Island</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #82 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>325</td>
<td><a href="http://codeforces.com/problemset/problem/123/B" target="_blank">Squares</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #92 (Div. 1 Only) & Codeforces Beta Round #92 (Div. 2 Only)</td>
<td>7</td>
</tr>
<tr>
<td>326</td>
<td><a href="http://codeforces.com/problemset/problem/138/B" target="_blank">Digits Permutations</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #99 (Div. 1) & Codeforces Beta Round #99 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>327</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>328</td>
<td><a href="http://codeforces.com/problemset/problem/165/D" target="_blank">Beard Graph</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #112 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>329</td>
<td><a href="http://codeforces.com/problemset/problem/191/B" target="_blank">Demonstration</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #121 (Div. 1) & Codeforces Round #121 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>330</td>
<td><a href="http://codeforces.com/problemset/problem/193/B" target="_blank">Xor</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #122 (Div. 1) & Codeforces Round #122 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>331</td>
<td><a href="http://codeforces.com/problemset/problem/195/D" target="_blank">Analyzing Polyline</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #123 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>332</td>
<td><a href="http://codeforces.com/problemset/problem/200/D" target="_blank">Programming Language</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #126 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>333</td>
<td><a href="http://codeforces.com/problemset/problem/216/D" target="_blank">Spider's Web</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #133 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>334</td>
<td><a href="http://codeforces.com/problemset/problem/217/B" target="_blank">Blackboard Fibonacci</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #134 (Div. 1) & Codeforces Round #134 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>335</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>336</td>
<td><a href="http://codeforces.com/problemset/problem/238/B" target="_blank">Boring Partition</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>337</td>
<td><a href="http://codeforces.com/problemset/problem/253/D" target="_blank">Table with Letters - 2</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #154 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>338</td>
<td><a href="http://codeforces.com/problemset/problem/260/D" target="_blank">Black and White Tree</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #158 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>339</td>
<td><a href="http://codeforces.com/problemset/problem/277/B" target="_blank">Set of Points</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #170 (Div. 1) & Codeforces Round #170 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>340</td>
<td><a href="http://codeforces.com/problemset/problem/286/B" target="_blank">Shifting</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #176 (Div. 1) & Codeforces Round #176 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>341</td>
<td><a href="http://codeforces.com/problemset/problem/311/B" target="_blank">Cats Transport</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #185 (Div. 1) & Codeforces Round #185 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>342</td>
<td><a href="http://codeforces.com/problemset/problem/336/D" target="_blank">Vasily the Bear and Beautiful Strings</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #195 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>343</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>344</td>
<td><a href="http://codeforces.com/problemset/problem/364/B" target="_blank">Free Market</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #213 (Div. 1) & Codeforces Round #213 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>345</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>346</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>347</td>
<td><a href="http://codeforces.com/problemset/problem/374/D" target="_blank">Inna and Sequence </a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #220 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>348</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>349</td>
<td><a href="http://codeforces.com/problemset/problem/396/B" target="_blank">On Sum of Fractions</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #232 (Div. 1) & Codeforces Round #232 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>350</td>
<td><a href="http://codeforces.com/problemset/problem/398/B" target="_blank">Painting The Wall</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #233 (Div. 1) & Codeforces Round #233 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>351</td>
<td><a href="http://codeforces.com/problemset/problem/416/D" target="_blank">Population Size</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #241 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>352</td>
<td><a href="http://codeforces.com/problemset/problem/433/D" target="_blank">Nanami's Digital Board</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #248 (Div. 2) & Codeforces Round #248 (Div. 1)</td>
<td>7</td>
</tr>
<tr>
<td>353</td>
<td><a href="http://codeforces.com/problemset/problem/435/D" target="_blank">Special Grid</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #249 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>354</td>
<td><a href="http://codeforces.com/problemset/problem/441/D" target="_blank">Valera and Swaps</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #252 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>355</td>
<td><a href="http://codeforces.com/problemset/problem/444/B" target="_blank">DZY Loves FFT</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #254 (Div. 1) & Codeforces Round #254 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>356</td>
<td><a href="http://codeforces.com/problemset/problem/460/D" target="_blank">Little Victor and Set</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #262 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>357</td>
<td><a href="http://codeforces.com/problemset/problem/498/B" target="_blank">Name That Tune</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #284 (Div. 1) & Codeforces Round #284 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>358</td>
<td><a href="http://codeforces.com/problemset/problem/509/D" target="_blank">Restoring Numbers</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #289 (Div. 2, ACM ICPC Rules)</td>
<td>7</td>
</tr>
<tr>
<td>359</td>
<td><a href="http://codeforces.com/problemset/problem/558/D" target="_blank">Guess Your Way Out! II</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #312 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>360</td>
<td><a href="http://codeforces.com/problemset/problem/593/D" target="_blank">Happy Tree Party</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #329 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>361</td>
<td><a href="http://codeforces.com/problemset/problem/610/D" target="_blank">Vika and Segments</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #337 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>362</td>
<td><a href="http://codeforces.com/problemset/problem/621/D" target="_blank">Rat Kwesh and Cheese</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #341 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>363</td>
<td><a href="http://codeforces.com/problemset/problem/704/B" target="_blank">Ant Man</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #366 (Div. 1) & Codeforces Round #366 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>364</td>
<td><a href="http://codeforces.com/problemset/problem/731/D" target="_blank">80-th Level Archeology</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #376 (Div. 2)</td>
<td>7</td>
</tr>
<tr>
<td>365</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>366</td>
<td><a href="http://codeforces.com/problemset/problem/870/D" target="_blank">Something with XOR Queries</a></td>
<td>Codeforces</td>
<td></td>
<td>Technocup 2018 - Elimination Round 2</td>
<td>7</td>
</tr>
<tr>
<td>367</td>
<td><a href="http://codeforces.com/problemset/problem/868/D" target="_blank">Huge Strings</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #438 by Sberbank and Barcelona Bootcamp (Div. 1 + Div. 2 combined)</td>
<td>7</td>
</tr>
<tr>
<td>368</td>
<td><a href="http://codeforces.com/problemset/problem/8/D" target="_blank">Two Friends</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #8</td>
<td>8</td>
</tr>
<tr>
<td>369</td>
<td><a href="http://codeforces.com/problemset/problem/13/D" target="_blank">Triangles</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #13</td>
<td>8</td>
</tr>
<tr>
<td>370</td>
<td><a href="http://codeforces.com/problemset/problem/17/D" target="_blank">Notepad</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #17</td>
<td>8</td>
</tr>
<tr>
<td>371</td>
<td><a href="http://codeforces.com/problemset/problem/21/D" target="_blank">Traveling Graph</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Alpha Round #21 (Codeforces format)</td>
<td>8</td>
</tr>
<tr>
<td>372</td>
<td><a href="http://codeforces.com/problemset/problem/24/D" target="_blank">Broken robot</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #24</td>
<td>8</td>
</tr>
<tr>
<td>373</td>
<td><a href="http://codeforces.com/problemset/problem/26/D" target="_blank">Tickets</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #26 (Codeforces format)</td>
<td>8</td>
</tr>
<tr>
<td>374</td>
<td><a href="http://codeforces.com/problemset/problem/28/D" target="_blank">Don't fear, DravDe is kind</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #28 (Codeforces format)</td>
<td>8</td>
</tr>
<tr>
<td>375</td>
<td><a href="http://codeforces.com/problemset/problem/36/D" target="_blank">New Game with a Chess Piece</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #36</td>
<td>8</td>
</tr>
<tr>
<td>376</td>
<td><a href="http://codeforces.com/problemset/problem/38/D" target="_blank">Vasya the Architect</a></td>
<td>Codeforces</td>
<td></td>
<td>School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round #38 (ACM-ICPC Rules)</td>
<td>8</td>
</tr>
<tr>
<td>377</td>
<td><a href="http://codeforces.com/problemset/problem/47/D" target="_blank">Safe</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #44 (Div. 2)</td>
<td>8</td>
</tr>
<tr>
<td>378</td>
<td><a href="http://codeforces.com/problemset/problem/50/D" target="_blank">Bombing</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #47</td>
<td>8</td>
</tr>
<tr>
<td>379</td>
<td><a href="http://codeforces.com/problemset/problem/58/D" target="_blank">Calendar</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #54 (Div. 2)</td>
<td>8</td>
</tr>
<tr>
<td>380</td>
<td><a href="http://codeforces.com/problemset/problem/59/D" target="_blank">Team Arrangement</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #55 (Div. 2)</td>
<td>8</td>
</tr>
<tr>
<td>381</td>
<td><a href="http://codeforces.com/problemset/problem/63/D" target="_blank">Dividing Island</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #59 (Div. 2)</td>
<td>8</td>
</tr>
<tr>
<td>382</td>
<td><a href="http://codeforces.com/problemset/problem/70/D" target="_blank">Professor's task</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #64</td>
<td>8</td>
</tr>
<tr>
<td>383</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>384</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>385</td>
<td><a href="http://codeforces.com/problemset/problem/89/B" target="_blank">Widget Library</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #74 (Div. 1 Only) & Codeforces Beta Round #74 (Div. 2 Only)</td>
<td>8</td>
</tr>
<tr>
<td>386</td>
<td><a href="http://codeforces.com/problemset/problem/132/B" target="_blank">Piet</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #96 (Div. 1) & Codeforces Beta Round #96 (Div. 2)</td>
<td>8</td>
</tr>
<tr>
<td>387</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>388</td>
<td><a href="http://codeforces.com/problemset/problem/180/D" target="_blank">Name</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #116 (Div. 2, ACM-ICPC Rules)</td>
<td>8</td>
</tr>
<tr>
<td>389</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>390</td>
<td><a href="http://codeforces.com/problemset/problem/248/D" target="_blank">Sweets for Everyone!</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #152 (Div. 2) & Codeforces Round #152 (Div. 1)</td>
<td>8</td>
</tr>
<tr>
<td>391</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>392</td>
<td><a href="http://codeforces.com/problemset/problem/279/D" target="_blank">The Minimum Number of Variables</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #171 (Div. 2)</td>
<td>8</td>
</tr>
<tr>
<td>393</td>
<td><a href="http://codeforces.com/problemset/problem/300/D" target="_blank">Painting Square</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #181 (Div. 2)</td>
<td>8</td>
</tr>
<tr>
<td>394</td>
<td><a href="http://codeforces.com/problemset/problem/305/D" target="_blank">Olya and Graph</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #184 (Div. 2)</td>
<td>8</td>
</tr>
<tr>
<td>395</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>396</td>
<td><a href="http://codeforces.com/problemset/problem/370/D" target="_blank">Broken Monitor</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #217 (Div. 2)</td>
<td>8</td>
</tr>
<tr>
<td>397</td>
<td><a href="http://codeforces.com/problemset/problem/380/B" target="_blank">Sereja and Tree</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #223 (Div. 1) & Codeforces Round #223 (Div. 2)</td>
<td>8</td>
</tr>
<tr>
<td>398</td>
<td><a href="http://codeforces.com/problemset/problem/383/B" target="_blank">Volcanoes</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #225 (Div. 1) & Codeforces Round #225 (Div. 2)</td>
<td>8</td>
</tr>
<tr>
<td>399</td>
<td><a href="http://codeforces.com/problemset/problem/385/D" target="_blank">Bear and Floodlight</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #226 (Div. 2)</td>
<td>8</td>
</tr>
<tr>
<td>400</td>
<td><a href="http://codeforces.com/problemset/problem/387/D" target="_blank">George and Interesting Graph</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #227 (Div. 2)</td>
<td>8</td>
</tr>
<tr>
<td>401</td>
<td><a href="http://codeforces.com/problemset/problem/390/D" target="_blank">Inna and Sweet Matrix</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #229 (Div. 2)</td>
<td>8</td>
</tr>
<tr>
<td>402</td>
<td><a href="http://codeforces.com/problemset/problem/392/B" target="_blank">Tower of Hanoi</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #230 (Div. 1) & Codeforces Round #230 (Div. 2)</td>
<td>8</td>
</tr>
<tr>
<td>403</td>
<td><a href="http://codeforces.com/problemset/problem/424/D" target="_blank">Biathlon Track</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #242 (Div. 2)</td>
<td>8</td>
</tr>
<tr>
<td>404</td>
<td><a href="http://codeforces.com/problemset/problem/594/B" target="_blank">Max and Bike</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #330 (Div. 1) & Codeforces Round #330 (Div. 2)</td>
<td>8</td>
</tr>
<tr>
<td>405</td>
<td><a href="http://codeforces.com/problemset/problem/596/D" target="_blank">Wilbur and Trees</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #331 (Div. 2)</td>
<td>8</td>
</tr>
<tr>
<td>406</td>
<td><a href="http://codeforces.com/problemset/problem/625/D" target="_blank">Finals in arithmetic</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #342 (Div. 2)</td>
<td>8</td>
</tr>
<tr>
<td>407</td>
<td><a href="http://codeforces.com/problemset/problem/794/D" target="_blank">Labelling Cities</a></td>
<td>Codeforces</td>
<td></td>
<td>Tinkoff Challenge - Final Round (Codeforces Round #414, rated, Div. 1 + Div. 2)</td>
<td>8</td>
</tr>
<tr>
<td>408</td>
<td><a href="http://codeforces.com/problemset/problem/813/D" target="_blank">Two Melodies</a></td>
<td>Codeforces</td>
<td></td>
<td>Educational Codeforces Round 22</td>
<td>8</td>
</tr>
<tr>
<td>409</td>
<td><a href="http://codeforces.com/problemset/problem/15/D" target="_blank">Map</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #15</td>
<td>9</td>
</tr>
<tr>
<td>410</td>
<td><a href="http://codeforces.com/problemset/problem/23/D" target="_blank">Tetragon</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #23</td>
<td>9</td>
</tr>
<tr>
<td>411</td>
<td><a href="http://codeforces.com/problemset/problem/30/D" target="_blank">King's Problem?</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #30 (Codeforces format)</td>
<td>9</td>
</tr>
<tr>
<td>412</td>
<td><a href="http://codeforces.com/problemset/problem/37/D" target="_blank">Lesson Timetable</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #37</td>
<td>9</td>
</tr>
<tr>
<td>413</td>
<td><a href="http://codeforces.com/problemset/problem/42/D" target="_blank">Strange town</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #41</td>
<td>9</td>
</tr>
<tr>
<td>414</td>
<td><a href="http://codeforces.com/problemset/problem/51/D" target="_blank">Geometrical problem</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #48</td>
<td>9</td>
</tr>
<tr>
<td>415</td>
<td><a href="http://codeforces.com/problemset/problem/54/D" target="_blank">Writing a Song</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #50</td>
<td>9</td>
</tr>
<tr>
<td>416</td>
<td><a href="http://codeforces.com/problemset/problem/57/D" target="_blank">Journey</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #53</td>
<td>9</td>
</tr>
<tr>
<td>417</td>
<td><a href="http://codeforces.com/problemset/problem/60/D" target="_blank">Savior</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #56</td>
<td>9</td>
</tr>
<tr>
<td>418</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>419</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>420</td>
<td><a href="http://codeforces.com/problemset/problem/68/D" target="_blank">Half-decay tree</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #62</td>
<td>9</td>
</tr>
<tr>
<td>421</td>
<td><a href="http://codeforces.com/problemset/problem/71/D" target="_blank">Solitaire</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #65 (Div. 2)</td>
<td>9</td>
</tr>
<tr>
<td>422</td>
<td><a href="http://codeforces.com/problemset/problem/74/D" target="_blank">Hanger</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #68</td>
<td>9</td>
</tr>
<tr>
<td>423</td>
<td><a href="http://codeforces.com/problemset/problem/78/D" target="_blank">Archer's Shot</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #70 (Div. 2)</td>
<td>9</td>
</tr>
<tr>
<td>424</td>
<td><a href="http://codeforces.com/problemset/problem/117/D" target="_blank">Not Quick Transformation</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #88</td>
<td>9</td>
</tr>
<tr>
<td>425</td>
<td><a href="http://codeforces.com/problemset/problem/119/D" target="_blank">String Transformation</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #90</td>
<td>9</td>
</tr>
<tr>
<td>426</td>
<td><a href="http://codeforces.com/problemset/problem/152/D" target="_blank">Frames</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #108 (Div. 2)</td>
<td>9</td>
</tr>
<tr>
<td>427</td>
<td><a href="http://codeforces.com/problemset/problem/166/D" target="_blank">Shoe Store</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #113 (Div. 2)</td>
<td>9</td>
</tr>
<tr>
<td>428</td>
<td><a href="http://codeforces.com/problemset/problem/175/D" target="_blank">Plane of Tanks: Duel</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #115</td>
<td>9</td>
</tr>
<tr>
<td>429</td>
<td><a href="http://codeforces.com/problemset/problem/228/D" target="_blank">Zigzag</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #141 (Div. 2)</td>
<td>9</td>
</tr>
<tr>
<td>430</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>431</td>
<td><a href="http://codeforces.com/problemset/problem/268/D" target="_blank">Wall Bars</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #164 (Div. 2)</td>
<td>9</td>
</tr>
<tr>
<td>432</td>
<td><a href="http://codeforces.com/problemset/problem/294/D" target="_blank">Shaass and Painter Robot</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #178 (Div. 2)</td>
<td>9</td>
</tr>
<tr>
<td>433</td>
<td><a href="http://codeforces.com/problemset/problem/332/D" target="_blank">Theft of Blueprints</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #193 (Div. 2)</td>
<td>9</td>
</tr>
<tr>
<td>434</td>
<td><a href="http://codeforces.com/problemset/problem/354/B" target="_blank">Game with Strings</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #206 (Div. 1) & Codeforces Round #206 (Div. 2)</td>
<td>9</td>
</tr>
<tr>
<td>435</td>
<td><a href="http://codeforces.com/problemset/problem/394/D" target="_blank">Physical Education and Buns</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #231 (Div. 2)</td>
<td>9</td>
</tr>
<tr>
<td>436</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>437</td>
<td><a href="http://codeforces.com/problemset/problem/40/D" target="_blank">Interesting Sequence</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #39</td>
<td>10</td>
</tr>
<tr>
<td>438</td>
<td><a href="http://codeforces.com/problemset/problem/98/B" target="_blank">Help King</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #78 (Div. 1 Only) & Codeforces Beta Round #78 (Div. 2 Only)</td>
<td>10</td>
</tr>
<tr>
<td>439</td>
<td><a href="http://codeforces.com/problemset/problem/105/D" target="_blank">Entertaining Geodetics</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #81</td>
<td>10</td>
</tr>
<tr>
<td>440</td>
<td><a href="http://codeforces.com/problemset/problem/350/D" target="_blank">Looking for Owls</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #203 (Div. 2)</td>
<td>10</td>
</tr>
<tr>
<td>441</td>
<td><a href="http://codeforces.com/problemset/problem/582/D" target="_blank">Number of Binominal Coefficients</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #323 (Div. 1)</td>
<td>10</td>
</tr>
<tr>
<td>442</td>
<td><a href="http://codeforces.com/problemset/problem/845/F" target="_blank">Guards In The Storehouse</a></td>
<td>Codeforces</td>
<td></td>
<td>Educational Codeforces Round 27</td>
<td>10</td>
</tr>
<tr>
<td>443</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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