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<b>
<u>
Codeforces Div. 2 - A 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/1/A" target="_blank">Theatre Square</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #1</td>
<td>1</td>
</tr>
<tr>
<td>2</td>
<td><a href="http://codeforces.com/problemset/problem/2/A" target="_blank">Winner</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #2</td>
<td>1</td>
</tr>
<tr>
<td>3</td>
<td><a href="http://codeforces.com/problemset/problem/3/A" target="_blank">Shortest path of the king</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #3</td>
<td>1</td>
</tr>
<tr>
<td>4</td>
<td><a href="http://codeforces.com/problemset/problem/4/A" target="_blank">Watermelon</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #4 (Div. 2 Only)</td>
<td>1</td>
</tr>
<tr>
<td>5</td>
<td><a href="http://codeforces.com/problemset/problem/6/A" target="_blank">Triangle</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #6 (Div. 2 Only)</td>
<td>1</td>
</tr>
<tr>
<td>6</td>
<td><a href="http://codeforces.com/problemset/problem/9/A" target="_blank">Die Roll</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #9 (Div. 2 Only)</td>
<td>1</td>
</tr>
<tr>
<td>7</td>
<td><a href="http://codeforces.com/problemset/problem/25/A" target="_blank">IQ test</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #25 (Div. 2 Only)</td>
<td>1</td>
</tr>
<tr>
<td>8</td>
<td><a href="http://codeforces.com/problemset/problem/26/A" target="_blank">Almost Prime</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #26 (Codeforces format)</td>
<td>1</td>
</tr>
<tr>
<td>9</td>
<td><a href="http://codeforces.com/problemset/problem/34/A" target="_blank">Reconnaissance 2</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #34 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>10</td>
<td><a href="http://codeforces.com/problemset/problem/37/A" target="_blank">Towers</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #37</td>
<td>1</td>
</tr>
<tr>
<td>11</td>
<td><a href="http://codeforces.com/problemset/problem/38/A" target="_blank">Army</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>1</td>
</tr>
<tr>
<td>12</td>
<td><a href="http://codeforces.com/problemset/problem/41/A" target="_blank">Translation</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #40 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>13</td>
<td><a href="http://codeforces.com/problemset/problem/43/A" target="_blank">Football</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #42 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>14</td>
<td><a href="http://codeforces.com/problemset/problem/50/A" target="_blank">Domino piling</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #47</td>
<td>1</td>
</tr>
<tr>
<td>15</td>
<td><a href="http://codeforces.com/problemset/problem/58/A" target="_blank">Chat room</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #54 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>16</td>
<td><a href="http://codeforces.com/problemset/problem/59/A" target="_blank">Word</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #55 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>17</td>
<td><a href="http://codeforces.com/problemset/problem/61/A" target="_blank">Ultra-Fast Mathematician</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #57 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>18</td>
<td><a href="http://codeforces.com/problemset/problem/69/A" target="_blank">Young Physicist</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #63 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>19</td>
<td><a href="http://codeforces.com/problemset/problem/71/A" target="_blank">Way Too Long Words</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #65 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>20</td>
<td><a href="http://codeforces.com/problemset/problem/75/A" target="_blank">Life Without Zeros</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #67 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>21</td>
<td><a href="http://codeforces.com/problemset/problem/80/A" target="_blank">Panoramix's Prediction</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #69 (Div. 2 Only)</td>
<td>1</td>
</tr>
<tr>
<td>22</td>
<td><a href="http://codeforces.com/problemset/problem/84/A" target="_blank">Toy Army</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #72 (Div. 2 Only)</td>
<td>1</td>
</tr>
<tr>
<td>23</td>
<td><a href="http://codeforces.com/problemset/problem/92/A" target="_blank">Chips</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #75 (Div. 2 Only)</td>
<td>1</td>
</tr>
<tr>
<td>24</td>
<td><a href="http://codeforces.com/problemset/problem/96/A" target="_blank">Football</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #77 (Div. 2 Only)</td>
<td>1</td>
</tr>
<tr>
<td>25</td>
<td><a href="http://codeforces.com/problemset/problem/110/A" target="_blank">Nearly Lucky Number</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #84 (Div. 2 Only)</td>
<td>1</td>
</tr>
<tr>
<td>26</td>
<td><a href="http://codeforces.com/problemset/problem/112/A" target="_blank">Petya and Strings</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #85 (Div. 2 Only)</td>
<td>1</td>
</tr>
<tr>
<td>27</td>
<td><a href="http://codeforces.com/problemset/problem/114/A" target="_blank">Cifera</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #86 (Div. 2 Only)</td>
<td>1</td>
</tr>
<tr>
<td>28</td>
<td><a href="http://codeforces.com/problemset/problem/116/A" target="_blank">Tram</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #87 (Div. 2 Only)</td>
<td>1</td>
</tr>
<tr>
<td>29</td>
<td><a href="http://codeforces.com/problemset/problem/118/A" target="_blank">String Task</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #89 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>30</td>
<td><a href="http://codeforces.com/problemset/problem/119/A" target="_blank">Epic Game</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #90</td>
<td>1</td>
</tr>
<tr>
<td>31</td>
<td><a href="http://codeforces.com/problemset/problem/122/A" target="_blank">Lucky Division</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #91 (Div. 2 Only)</td>
<td>1</td>
</tr>
<tr>
<td>32</td>
<td><a href="http://codeforces.com/problemset/problem/124/A" target="_blank">The number of positions</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #92 (Div. 2 Only)</td>
<td>1</td>
</tr>
<tr>
<td>33</td>
<td><a href="http://codeforces.com/problemset/problem/129/A" target="_blank">Cookies</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #94 (Div. 2 Only)</td>
<td>1</td>
</tr>
<tr>
<td>34</td>
<td><a href="http://codeforces.com/problemset/problem/131/A" target="_blank">cAPS lOCK</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #95 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>35</td>
<td><a href="http://codeforces.com/problemset/problem/133/A" target="_blank">HQ9+</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #96 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>36</td>
<td><a href="http://codeforces.com/problemset/problem/136/A" target="_blank">Presents</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #97 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>37</td>
<td><a href="http://codeforces.com/problemset/problem/139/A" target="_blank">Petr and Book</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #99 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>38</td>
<td><a href="http://codeforces.com/problemset/problem/141/A" target="_blank">Amusing Joke</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #101 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>39</td>
<td><a href="http://codeforces.com/problemset/problem/144/A" target="_blank">Arrival of the General</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #103 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>40</td>
<td><a href="http://codeforces.com/problemset/problem/146/A" target="_blank">Lucky Ticket</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #104 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>41</td>
<td><a href="http://codeforces.com/problemset/problem/148/A" target="_blank">Insomnia cure</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #105 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>42</td>
<td><a href="http://codeforces.com/problemset/problem/149/A" target="_blank">Business trip</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #106 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>43</td>
<td><a href="http://codeforces.com/problemset/problem/151/A" target="_blank">Soft Drinking</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #107 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>44</td>
<td><a href="http://codeforces.com/problemset/problem/152/A" target="_blank">Marks</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #108 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>45</td>
<td><a href="http://codeforces.com/problemset/problem/155/A" target="_blank">I_love_\%username\%</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #109 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>46</td>
<td><a href="http://codeforces.com/problemset/problem/160/A" target="_blank">Twins</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #111 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>47</td>
<td><a href="http://codeforces.com/problemset/problem/165/A" target="_blank">Supercentral Point</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #112 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>48</td>
<td><a href="http://codeforces.com/problemset/problem/189/A" target="_blank">Cut Ribbon</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #119 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>49</td>
<td><a href="http://codeforces.com/problemset/problem/199/A" target="_blank">Hexadecimal's theorem</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #125 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>50</td>
<td><a href="http://codeforces.com/problemset/problem/208/A" target="_blank">Dubstep</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #130 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>51</td>
<td><a href="http://codeforces.com/problemset/problem/214/A" target="_blank">System of Equations</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #131 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>52</td>
<td><a href="http://codeforces.com/problemset/problem/219/A" target="_blank">k-String</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #135 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>53</td>
<td><a href="http://codeforces.com/problemset/problem/224/A" target="_blank">Parallelepiped</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #138 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>54</td>
<td><a href="http://codeforces.com/problemset/problem/228/A" target="_blank">Is your horseshoe on the other hoof?</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #141 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>55</td>
<td><a href="http://codeforces.com/problemset/problem/230/A" target="_blank">Dragons</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #142 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>56</td>
<td><a href="http://codeforces.com/problemset/problem/231/A" target="_blank">Team</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #143 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>57</td>
<td><a href="http://codeforces.com/problemset/problem/233/A" target="_blank">Perfect Permutation</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #144 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>58</td>
<td><a href="http://codeforces.com/problemset/problem/236/A" target="_blank">Boy or Girl</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #146 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>59</td>
<td><a href="http://codeforces.com/problemset/problem/237/A" target="_blank">Free Cash</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #147 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>60</td>
<td><a href="http://codeforces.com/problemset/problem/255/A" target="_blank">Greg's Workout</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #156 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>61</td>
<td><a href="http://codeforces.com/problemset/problem/262/A" target="_blank">Roma and Lucky Numbers</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #160 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>62</td>
<td><a href="http://codeforces.com/problemset/problem/263/A" target="_blank">Beautiful Matrix</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #161 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>63</td>
<td><a href="http://codeforces.com/problemset/problem/265/A" target="_blank">Colorful Stones (Simplified Edition)</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #162 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>64</td>
<td><a href="http://codeforces.com/problemset/problem/266/A" target="_blank">Stones on the Table</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #163 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>65</td>
<td><a href="http://codeforces.com/problemset/problem/268/A" target="_blank">Games</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #164 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>66</td>
<td><a href="http://codeforces.com/problemset/problem/270/A" target="_blank">Fancy Fence</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #165 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>67</td>
<td><a href="http://codeforces.com/problemset/problem/271/A" target="_blank">Beautiful Year</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #166 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>68</td>
<td><a href="http://codeforces.com/problemset/problem/272/A" target="_blank">Dima and Friends</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #167 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>69</td>
<td><a href="http://codeforces.com/problemset/problem/275/A" target="_blank">Lights Out</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #168 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>70</td>
<td><a href="http://codeforces.com/problemset/problem/276/A" target="_blank">Lunch Rush</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #169 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>71</td>
<td><a href="http://codeforces.com/problemset/problem/278/A" target="_blank">Circle Line</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #170 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>72</td>
<td><a href="http://codeforces.com/problemset/problem/281/A" target="_blank">Word Capitalization</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #172 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>73</td>
<td><a href="http://codeforces.com/problemset/problem/282/A" target="_blank">Bit++</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #173 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>74</td>
<td><a href="http://codeforces.com/problemset/problem/285/A" target="_blank">Slightly Decreasing Permutations</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #175 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>75</td>
<td><a href="http://codeforces.com/problemset/problem/294/A" target="_blank">Shaass and Oskols</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #178 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>76</td>
<td><a href="http://codeforces.com/problemset/problem/300/A" target="_blank">Array</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #181 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>77</td>
<td><a href="http://codeforces.com/problemset/problem/313/A" target="_blank">Ilya and Bank Account</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #186 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>78</td>
<td><a href="http://codeforces.com/problemset/problem/318/A" target="_blank">Even Odds</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #188 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>79</td>
<td><a href="http://codeforces.com/problemset/problem/320/A" target="_blank">Magic Numbers</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #189 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>80</td>
<td><a href="http://codeforces.com/problemset/problem/327/A" target="_blank">Flipping Game</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #191 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>81</td>
<td><a href="http://codeforces.com/problemset/problem/330/A" target="_blank">Cakeminator</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #192 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>82</td>
<td><a href="http://codeforces.com/problemset/problem/334/A" target="_blank">Candy Bags</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #194 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>83</td>
<td><a href="http://codeforces.com/problemset/problem/337/A" target="_blank">Puzzles</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #196 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>84</td>
<td><a href="http://codeforces.com/problemset/problem/339/A" target="_blank">Helpful Maths</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #197 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>85</td>
<td><a href="http://codeforces.com/problemset/problem/344/A" target="_blank">Magnets</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #200 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>86</td>
<td><a href="http://codeforces.com/problemset/problem/349/A" target="_blank">Cinema Line</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #202 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>87</td>
<td><a href="http://codeforces.com/problemset/problem/350/A" target="_blank">TL</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #203 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>88</td>
<td><a href="http://codeforces.com/problemset/problem/352/A" target="_blank">Jeff and Digits</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #204 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>89</td>
<td><a href="http://codeforces.com/problemset/problem/353/A" target="_blank">Domino</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #205 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>90</td>
<td><a href="http://codeforces.com/problemset/problem/369/A" target="_blank">Valera and Plates</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #216 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>91</td>
<td><a href="http://codeforces.com/problemset/problem/378/A" target="_blank">Playing with Dice</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #222 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>92</td>
<td><a href="http://codeforces.com/problemset/problem/381/A" target="_blank">Sereja and Dima</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #223 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>93</td>
<td><a href="http://codeforces.com/problemset/problem/384/A" target="_blank">Coder</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #225 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>94</td>
<td><a href="http://codeforces.com/problemset/problem/385/A" target="_blank">Bear and Raspberry</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #226 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>95</td>
<td><a href="http://codeforces.com/problemset/problem/389/A" target="_blank">Fox and Number Game</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #228 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>96</td>
<td><a href="http://codeforces.com/problemset/problem/401/A" target="_blank">Vanya and Cards</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #235 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>97</td>
<td><a href="http://codeforces.com/problemset/problem/404/A" target="_blank">Valera and X</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #237 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>98</td>
<td><a href="http://codeforces.com/problemset/problem/405/A" target="_blank">Gravity Flip</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #238 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>99</td>
<td><a href="http://codeforces.com/problemset/problem/427/A" target="_blank">Police Recruits</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #244 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>100</td>
<td><a href="http://codeforces.com/problemset/problem/432/A" target="_blank">Choosing Teams</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #246 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>101</td>
<td><a href="http://codeforces.com/problemset/problem/431/A" target="_blank">Black Square</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #247 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>102</td>
<td><a href="http://codeforces.com/problemset/problem/435/A" target="_blank">Queue on Bus Stop</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #249 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>103</td>
<td><a href="http://codeforces.com/problemset/problem/439/A" target="_blank">Devu, the Singer and Churu, the Joker</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #251 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>104</td>
<td><a href="http://codeforces.com/problemset/problem/441/A" target="_blank">Valera and Antique Items</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #252 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>105</td>
<td><a href="http://codeforces.com/problemset/problem/443/A" target="_blank">Anton and Letters</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #253 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>106</td>
<td><a href="http://codeforces.com/problemset/problem/445/A" target="_blank">DZY Loves Chessboard</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #254 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>107</td>
<td><a href="http://codeforces.com/problemset/problem/448/A" target="_blank">Rewards</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #256 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>108</td>
<td><a href="http://codeforces.com/problemset/problem/450/A" target="_blank">Jzzhu and Children</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #257 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>109</td>
<td><a href="http://codeforces.com/problemset/problem/451/A" target="_blank">Game With Sticks</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #258 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>110</td>
<td><a href="http://codeforces.com/problemset/problem/454/A" target="_blank">Little Pony and Crystal Mine</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #259 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>111</td>
<td><a href="http://codeforces.com/problemset/problem/456/A" target="_blank">Laptops</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #260 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>112</td>
<td><a href="http://codeforces.com/problemset/problem/459/A" target="_blank">Pashmak and Garden</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #261 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>113</td>
<td><a href="http://codeforces.com/problemset/problem/460/A" target="_blank">Vasya and Socks</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #262 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>114</td>
<td><a href="http://codeforces.com/problemset/problem/462/A" target="_blank">Appleman and Easy Task</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #263 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>115</td>
<td><a href="http://codeforces.com/problemset/problem/463/A" target="_blank">Caisa and Sugar</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #264 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>116</td>
<td><a href="http://codeforces.com/problemset/problem/465/A" target="_blank">inc ARG</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #265 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>117</td>
<td><a href="http://codeforces.com/problemset/problem/466/A" target="_blank">Cheap Travel</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #266 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>118</td>
<td><a href="http://codeforces.com/problemset/problem/467/A" target="_blank">George and Accommodation</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #267 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>119</td>
<td><a href="http://codeforces.com/problemset/problem/469/A" target="_blank">I Wanna Be the Guy</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #268 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>120</td>
<td><a href="http://codeforces.com/problemset/problem/471/A" target="_blank">MUH and Sticks</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #269 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>121</td>
<td><a href="http://codeforces.com/problemset/problem/472/A" target="_blank">Design Tutorial: Learn from Math</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #270</td>
<td>1</td>
</tr>
<tr>
<td>122</td>
<td><a href="http://codeforces.com/problemset/problem/474/A" target="_blank">Keyboard</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #271 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>123</td>
<td><a href="http://codeforces.com/problemset/problem/476/A" target="_blank">Dreamoon and Stairs</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #272 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>124</td>
<td><a href="http://codeforces.com/problemset/problem/478/A" target="_blank">Initial Bet</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #273 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>125</td>
<td><a href="http://codeforces.com/problemset/problem/479/A" target="_blank">Expression</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #274 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>126</td>
<td><a href="http://codeforces.com/problemset/problem/483/A" target="_blank">Counterexample </a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #275 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>127</td>
<td><a href="http://codeforces.com/problemset/problem/486/A" target="_blank">Calculating Function</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #277 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>128</td>
<td><a href="http://codeforces.com/problemset/problem/488/A" target="_blank">Giga Tower</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #278 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>129</td>
<td><a href="http://codeforces.com/problemset/problem/490/A" target="_blank">Team Olympiad</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #279 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>130</td>
<td><a href="http://codeforces.com/problemset/problem/492/A" target="_blank">Vanya and Cubes</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #280 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>131</td>
<td><a href="http://codeforces.com/problemset/problem/496/A" target="_blank">Minimum Difficulty</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #283 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>132</td>
<td><a href="http://codeforces.com/problemset/problem/499/A" target="_blank">Watching a movie</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #284 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>133</td>
<td><a href="http://codeforces.com/problemset/problem/501/A" target="_blank">Contest</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #285 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>134</td>
<td><a href="http://codeforces.com/problemset/problem/507/A" target="_blank">Amr and Music</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #287 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>135</td>
<td><a href="http://codeforces.com/problemset/problem/509/A" target="_blank">Maximum in Table</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #289 (Div. 2, ACM ICPC Rules)</td>
<td>1</td>
</tr>
<tr>
<td>136</td>
<td><a href="http://codeforces.com/problemset/problem/510/A" target="_blank">Fox And Snake</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #290 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>137</td>
<td><a href="http://codeforces.com/problemset/problem/514/A" target="_blank">Chewba?ca and Number</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #291 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>138</td>
<td><a href="http://codeforces.com/problemset/problem/515/A" target="_blank">Drazil and Date</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #292 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>139</td>
<td><a href="http://codeforces.com/problemset/problem/519/A" target="_blank">A and B and Chess</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #294 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>140</td>
<td><a href="http://codeforces.com/problemset/problem/520/A" target="_blank">Pangram</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #295 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>141</td>
<td><a href="http://codeforces.com/problemset/problem/527/A" target="_blank">Playing with Paper</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #296 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>142</td>
<td><a href="http://codeforces.com/problemset/problem/525/A" target="_blank">Vitaliy and Pie</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #297 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>143</td>
<td><a href="http://codeforces.com/problemset/problem/534/A" target="_blank">Exam</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #298 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>144</td>
<td><a href="http://codeforces.com/problemset/problem/535/A" target="_blank">Tavas and Nafas</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #299 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>145</td>
<td><a href="http://codeforces.com/problemset/problem/540/A" target="_blank">Combination Lock</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #301 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>146</td>
<td><a href="http://codeforces.com/problemset/problem/545/A" target="_blank">Toy Cars</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #303 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>147</td>
<td><a href="http://codeforces.com/problemset/problem/546/A" target="_blank">Soldier and Bananas</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #304 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>148</td>
<td><a href="http://codeforces.com/problemset/problem/548/A" target="_blank">Mike and Fax</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #305 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>149</td>
<td><a href="http://codeforces.com/problemset/problem/550/A" target="_blank">Two Substrings</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #306 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>150</td>
<td><a href="http://codeforces.com/problemset/problem/551/A" target="_blank">GukiZ and Contest</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #307 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>151</td>
<td><a href="http://codeforces.com/problemset/problem/552/A" target="_blank">Vanya and Table</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #308 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>152</td>
<td><a href="http://codeforces.com/problemset/problem/554/A" target="_blank">Kyoya and Photobooks</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #309 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>153</td>
<td><a href="http://codeforces.com/problemset/problem/556/A" target="_blank">Case of the Zeros and Ones</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #310 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>154</td>
<td><a href="http://codeforces.com/problemset/problem/557/A" target="_blank">Ilya and Diplomas</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #311 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>155</td>
<td><a href="http://codeforces.com/problemset/problem/558/A" target="_blank">Lala Land and Apple Trees</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #312 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>156</td>
<td><a href="http://codeforces.com/problemset/problem/560/A" target="_blank">Currency System in Geraldion</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #313 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>157</td>
<td><a href="http://codeforces.com/problemset/problem/567/A" target="_blank">Lineland Mail</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #Pi (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>158</td>
<td><a href="http://codeforces.com/problemset/problem/570/A" target="_blank">Elections</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #316 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>159</td>
<td><a href="http://codeforces.com/problemset/problem/572/A" target="_blank">Arrays</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #317 [AimFund Thanks-Round] (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>160</td>
<td><a href="http://codeforces.com/problemset/problem/574/A" target="_blank">Bear and Elections</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #318 [RussianCodeCup Thanks-Round] (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>161</td>
<td><a href="http://codeforces.com/problemset/problem/577/A" target="_blank">Multiplication Table</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #319 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>162</td>
<td><a href="http://codeforces.com/problemset/problem/579/A" target="_blank">Raising Bacteria</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #320 (Div. 2) [Bayan Thanks-Round]</td>
<td>1</td>
</tr>
<tr>
<td>163</td>
<td><a href="http://codeforces.com/problemset/problem/580/A" target="_blank">Kefa and First Steps</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #321 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>164</td>
<td><a href="http://codeforces.com/problemset/problem/581/A" target="_blank">Vasya the Hipster</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #322 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>165</td>
<td><a href="http://codeforces.com/problemset/problem/583/A" target="_blank">Asphalting Roads</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #323 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>166</td>
<td><a href="http://codeforces.com/problemset/problem/584/A" target="_blank">Olesya and Rodion</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #324 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>167</td>
<td><a href="http://codeforces.com/problemset/problem/586/A" target="_blank">Alena's Schedule</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #325 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>168</td>
<td><a href="http://codeforces.com/problemset/problem/588/A" target="_blank">Duff and Meat</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #326 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>169</td>
<td><a href="http://codeforces.com/problemset/problem/591/A" target="_blank">Wizards' Duel</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #327 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>170</td>
<td><a href="http://codeforces.com/problemset/problem/595/A" target="_blank">Vitaly and Night</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #330 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>171</td>
<td><a href="http://codeforces.com/problemset/problem/599/A" target="_blank">Patrick and Shopping</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #332 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>172</td>
<td><a href="http://codeforces.com/problemset/problem/602/A" target="_blank">Two Bases</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #333 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>173</td>
<td><a href="http://codeforces.com/problemset/problem/604/A" target="_blank">Uncowed Forces</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #334 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>174</td>
<td><a href="http://codeforces.com/problemset/problem/610/A" target="_blank">Pasha and Stick</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #337 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>175</td>
<td><a href="http://codeforces.com/problemset/problem/615/A" target="_blank">Bulbs</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #338 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>176</td>
<td><a href="http://codeforces.com/problemset/problem/617/A" target="_blank">Elephant</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #340 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>177</td>
<td><a href="http://codeforces.com/problemset/problem/621/A" target="_blank">Wet Shark and Odd and Even</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #341 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>178</td>
<td><a href="http://codeforces.com/problemset/problem/629/A" target="_blank">Far Relative&rsquo;s Birthday Cake</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #343 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>179</td>
<td><a href="http://codeforces.com/problemset/problem/651/A" target="_blank">Joysticks</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #345 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>180</td>
<td><a href="http://codeforces.com/problemset/problem/659/A" target="_blank">Round House</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #346 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>181</td>
<td><a href="http://codeforces.com/problemset/problem/664/A" target="_blank">Complicated GCD</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #347 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>182</td>
<td><a href="http://codeforces.com/problemset/problem/670/A" target="_blank">Holidays</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #350 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>183</td>
<td><a href="http://codeforces.com/problemset/problem/672/A" target="_blank">Summer Camp</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #352 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>184</td>
<td><a href="http://codeforces.com/problemset/problem/675/A" target="_blank">Infinite Sequence</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #353 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>185</td>
<td><a href="http://codeforces.com/problemset/problem/676/A" target="_blank">Nicholas and Permutation</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #354 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>186</td>
<td><a href="http://codeforces.com/problemset/problem/677/A" target="_blank">Vanya and Fence</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #355 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>187</td>
<td><a href="http://codeforces.com/problemset/problem/680/A" target="_blank">Bear and Five Cards</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #356 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>188</td>
<td><a href="http://codeforces.com/problemset/problem/681/A" target="_blank">A Good Contest</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #357 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>189</td>
<td><a href="http://codeforces.com/problemset/problem/682/A" target="_blank">Alyona and Numbers</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #358 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>190</td>
<td><a href="http://codeforces.com/problemset/problem/686/A" target="_blank">Free Ice Cream</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #359 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>191</td>
<td><a href="http://codeforces.com/problemset/problem/688/A" target="_blank">Opponents</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #360 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>192</td>
<td><a href="http://codeforces.com/problemset/problem/697/A" target="_blank">Pineapple Incident</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #362 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>193</td>
<td><a href="http://codeforces.com/problemset/problem/699/A" target="_blank">Launch of Collider</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #363 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>194</td>
<td><a href="http://codeforces.com/problemset/problem/701/A" target="_blank">Cards</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #364 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>195</td>
<td><a href="http://codeforces.com/problemset/problem/703/A" target="_blank">Mishka and Game</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #365 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>196</td>
<td><a href="http://codeforces.com/problemset/problem/705/A" target="_blank">Hulk</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #366 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>197</td>
<td><a href="http://codeforces.com/problemset/problem/706/A" target="_blank">Beru-taxi</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #367 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>198</td>
<td><a href="http://codeforces.com/problemset/problem/707/A" target="_blank">Brain's Photos</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #368 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>199</td>
<td><a href="http://codeforces.com/problemset/problem/711/A" target="_blank">Bus to Udayland</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #369 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>200</td>
<td><a href="http://codeforces.com/problemset/problem/712/A" target="_blank">Memory and Crow</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #370 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>201</td>
<td><a href="http://codeforces.com/problemset/problem/714/A" target="_blank">Meeting of Old Friends</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #371 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>202</td>
<td><a href="http://codeforces.com/problemset/problem/716/A" target="_blank">Crazy Computer</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #372 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>203</td>
<td><a href="http://codeforces.com/problemset/problem/719/A" target="_blank">Vitya in the Countryside</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #373 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>204</td>
<td><a href="http://codeforces.com/problemset/problem/721/A" target="_blank">One-dimensional Japanese Crossword</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #374 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>205</td>
<td><a href="http://codeforces.com/problemset/problem/723/A" target="_blank">The New Year: Meeting Friends</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #375 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>206</td>
<td><a href="http://codeforces.com/problemset/problem/732/A" target="_blank">Buy a Shovel</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #377 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>207</td>
<td><a href="http://codeforces.com/problemset/problem/731/A" target="_blank">Night at the Museum</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #376 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>208</td>
<td><a href="http://codeforces.com/problemset/problem/733/A" target="_blank">Grasshopper And the String</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #378 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>209</td>
<td><a href="http://codeforces.com/problemset/problem/1/B" target="_blank">Spreadsheet</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #1</td>
<td>1</td>
</tr>
<tr>
<td>210</td>
<td><a href="http://codeforces.com/problemset/problem/734/A" target="_blank">Anton and Danik</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #379 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>211</td>
<td><a href="http://codeforces.com/problemset/problem/735/A" target="_blank">Ostap and Grasshopper</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #382 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>212</td>
<td><a href="http://codeforces.com/problemset/problem/742/A" target="_blank">Arpa&rsquo;s hard exam and Mehrdad&rsquo;s naive cheat</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #383 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>213</td>
<td><a href="p?ID=6" target="_blank">Balloons Colors</a></td>
<td>A2 Online Judge</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>214</td>
<td><a href="http://codeforces.com/problemset/problem/749/A" target="_blank">Bachgold Problem</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #388 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>215</td>
<td><a href="http://codeforces.com/problemset/problem/746/A" target="_blank">Compote</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #386 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>216</td>
<td><a href="http://codeforces.com/problemset/problem/745/A" target="_blank">Hongcow Learns the Cyclic Shift</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #385 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>217</td>
<td><a href="http://codeforces.com/problemset/problem/743/A" target="_blank">Vladik and flights</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #384 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>218</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=976" target="_blank">Primary Arithmetic</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>219</td>
<td><a href="http://codeforces.com/problemset/problem/757/A" target="_blank">Gotta Catch Em' All!</a></td>
<td>Codeforces</td>
<td></td>
<td>Codecraft-17 and Codeforces Round #391 (Div. 1 + Div. 2, combined)</td>
<td>1</td>
</tr>
<tr>
<td>220</td>
<td><a href="http://codeforces.com/problemset/problem/761/A" target="_blank">Dasha and Stairs</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #394 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>221</td>
<td><a href="http://codeforces.com/problemset/problem/758/A" target="_blank">Holiday Of Equality</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #392 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>222</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>223</td>
<td><a href="http://codeforces.com/problemset/problem/766/A" target="_blank">Mahmoud and Longest Uncommon Subsequence</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #396 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>224</td>
<td><a href="http://codeforces.com/problemset/problem/764/A" target="_blank">Taymyr is calling you</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #395 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>225</td>
<td><a href="http://codeforces.com/problemset/problem/767/A" target="_blank">Snacktower</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #398 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>226</td>
<td><a href="http://codeforces.com/problemset/problem/768/A" target="_blank">Oath of the Night's Watch</a></td>
<td>Codeforces</td>
<td></td>
<td>Divide by Zero 2017 and Codeforces Round #399 (Div. 1 + Div. 2, combined)</td>
<td>1</td>
</tr>
<tr>
<td>227</td>
<td><a href="http://codeforces.com/problemset/problem/776/A" target="_blank">A Serial Killer</a></td>
<td>Codeforces</td>
<td></td>
<td>ICM Technex 2017 and Codeforces Round #400 (Div. 1 + Div. 2, combined)</td>
<td>1</td>
</tr>
<tr>
<td>228</td>
<td><a href="http://codeforces.com/problemset/problem/777/A" target="_blank">Shell Game</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #401 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>229</td>
<td><a href="http://codeforces.com/problemset/problem/779/A" target="_blank">Pupils Redistribution</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #402 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>230</td>
<td><a href="http://codeforces.com/problemset/problem/780/A" target="_blank">Andryusha and Socks</a></td>
<td>Codeforces</td>
<td></td>
<td>?????????? 2017 - ????? (?????? ??? ??????-??????????)</td>
<td>1</td>
</tr>
<tr>
<td>231</td>
<td><a href="http://codeforces.com/problemset/problem/785/A" target="_blank">Anton and Polyhedrons</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #404 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>232</td>
<td><a href="http://codeforces.com/problemset/problem/791/A" target="_blank">Bear and Big Brother</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #405 (rated, Div. 2, based on VK Cup 2017 Round 1)</td>
<td>1</td>
</tr>
<tr>
<td>233</td>
<td><a href="http://codeforces.com/problemset/problem/787/A" target="_blank">The Monster</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #406 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>234</td>
<td><a href="http://codeforces.com/problemset/problem/789/A" target="_blank">Anastasia and pebbles</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #407 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>235</td>
<td><a href="http://codeforces.com/problemset/problem/796/A" target="_blank">Buying A House</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #408 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>236</td>
<td><a href="p?ID=159" target="_blank">Nth Smallest Value</a></td>
<td>A2 Online Judge</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>237</td>
<td><a href="http://codeforces.com/problemset/problem/811/A" target="_blank">Vladik and Courtesy</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #416 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>238</td>
<td><a href="http://codeforces.com/problemset/problem/805/A" target="_blank">Fake NP</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #411 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>239</td>
<td><a href="http://codeforces.com/problemset/problem/798/A" target="_blank">Mike and palindrome</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #410 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>240</td>
<td><a href="http://codeforces.com/problemset/problem/489/C" target="_blank">Given Length and Sum of Digits...</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #277.5 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>241</td>
<td><a href="http://codeforces.com/problemset/problem/841/A" target="_blank">Generous Kefa</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #429 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>242</td>
<td><a href="http://codeforces.com/problemset/problem/839/A" target="_blank">Arya and Bran</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #428 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>243</td>
<td><a href="http://codeforces.com/problemset/problem/835/A" target="_blank">Key races</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #427 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>244</td>
<td><a href="http://codeforces.com/problemset/problem/834/A" target="_blank">The Useless Toy</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #426 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>245</td>
<td><a href="http://codeforces.com/problemset/problem/832/A" target="_blank">Sasha and Sticks</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #425 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>246</td>
<td><a href="http://codeforces.com/problemset/problem/831/A" target="_blank">Unimodal Array</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #424 (Div. 2, rated, based on VK Cup Finals)</td>
<td>1</td>
</tr>
<tr>
<td>247</td>
<td><a href="http://codeforces.com/problemset/problem/822/A" target="_blank">I'm bored with life</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #422 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>248</td>
<td><a href="http://codeforces.com/problemset/problem/816/A" target="_blank">Karen and Morning</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #419 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>249</td>
<td><a href="http://codeforces.com/problemset/problem/814/A" target="_blank">An abandoned sentiment from past</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #418 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>250</td>
<td><a href="http://codeforces.com/problemset/problem/864/A" target="_blank">Fair Game</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #436 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>251</td>
<td><a href="http://www.codechef.com/problems/PPERM" target="_blank">Prime Permutations</a></td>
<td>CodeChef</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>252</td>
<td><a href="http://codeforces.com/problemset/problem/876/A" target="_blank">Trip For Meal</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #441 (Div. 2, by Moscow Team Olympiad)</td>
<td>1</td>
</tr>
<tr>
<td>253</td>
<td><a href="http://codeforces.com/problemset/problem/870/A" target="_blank">Search for Pretty Integers</a></td>
<td>Codeforces</td>
<td></td>
<td>Technocup 2018 - Elimination Round 2</td>
<td>1</td>
</tr>
<tr>
<td>254</td>
<td><a href="http://codeforces.com/problemset/problem/869/A" target="_blank">The Artful Expedient</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #439 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>255</td>
<td><a href="http://codeforces.com/problemset/problem/898/A" target="_blank">Rounding</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #451 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>256</td>
<td><a href="http://codeforces.com/problemset/problem/922/A" target="_blank">Cloning Toys</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #461 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>257</td>
<td><a href="http://codeforces.com/problemset/problem/916/A" target="_blank">Jamie and Alarm Snooze</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #457 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>258</td>
<td><a href="http://codeforces.com/problemset/problem/939/A" target="_blank">Love Triangle</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #464 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>259</td>
<td><a href="https://icpcarchive.ecs.baylor.edu/index.php?option=onlinejudge&page=show_problem&problem=2717" target="_blank">Relational Operators</a></td>
<td>Live Archive</td>
<td>2009</td>
<td>Asia - Phuket</td>
<td>1</td>
</tr>
<tr>
<td>260</td>
<td><a href="https://icpcarchive.ecs.baylor.edu/index.php?option=onlinejudge&page=show_problem&problem=1918" target="_blank">Tiling a Grid With Dominoes</a></td>
<td>Live Archive</td>
<td>2007</td>
<td>North America - Greater NY</td>
<td>1</td>
</tr>
<tr>
<td>261</td>
<td><a href="http://codeforces.com/problemset/problem/520/B" target="_blank">Two Buttons</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #295 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>262</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=136" target="_blank">Rare Order</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>263</td>
<td><a href="http://codeforces.com/problemset/problem/570/B" target="_blank">Simple Game</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #316 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>264</td>
<td><a href="http://www.spoj.com/problems/ACMAKER/" target="_blank">ACM (ACronymMaker)</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>1</td>
</tr>
<tr>
<td>265</td>
<td><a href="http://codeforces.com/problemset/problem/702/A" target="_blank">Maximum Increase</a></td>
<td>Codeforces</td>
<td></td>
<td>Educational Codeforces Round 15</td>
<td>1</td>
</tr>
<tr>
<td>266</td>
<td><a href="http://codeforces.com/problemset/problem/609/A" target="_blank">USB Flash Drives</a></td>
<td>Codeforces</td>
<td></td>
<td>Educational Codeforces Round 3</td>
<td>1</td>
</tr>
<tr>
<td>267</td>
<td><a href="http://codeforces.com/problemset/problem/1041/A" target="_blank">Heist</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #509 (Div. 2)</td>
<td>1</td>
</tr>
<tr>
<td>268</td>
<td><a href="https://icpcarchive.ecs.baylor.edu/index.php?option=onlinejudge&page=show_problem&problem=1400" target="_blank">Sum of Consecutive Prime Numbers</a></td>
<td>Live Archive</td>
<td>2005</td>
<td>Asia - Tokyo</td>
<td>1</td>
</tr>
<tr>
<td>269</td>
<td><a href="http://codeforces.com/problemset/problem/5/A" target="_blank">Chat Servers Outgoing Traffic</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #5</td>
<td>2</td>
</tr>
<tr>
<td>270</td>
<td><a href="http://codeforces.com/problemset/problem/16/A" target="_blank">Flag</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #16 (Div. 2 Only)</td>
<td>2</td>
</tr>
<tr>
<td>271</td>
<td><a href="http://codeforces.com/problemset/problem/22/A" target="_blank">Second Order Statistics</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #22 (Div. 2 Only)</td>
<td>2</td>
</tr>
<tr>
<td>272</td>
<td><a href="http://codeforces.com/problemset/problem/27/A" target="_blank">Next Test</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #27 (Codeforces format, Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>273</td>
<td><a href="http://codeforces.com/problemset/problem/47/A" target="_blank">Triangular numbers</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #44 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>274</td>
<td><a href="http://codeforces.com/problemset/problem/63/A" target="_blank">Sinking Ship</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #59 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>275</td>
<td><a href="http://codeforces.com/problemset/problem/94/A" target="_blank">Restoring Password</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #76 (Div. 2 Only)</td>
<td>2</td>
</tr>
<tr>
<td>276</td>
<td><a href="http://codeforces.com/problemset/problem/104/A" target="_blank">Blackjack</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #80 (Div. 2 Only)</td>
<td>2</td>
</tr>
<tr>
<td>277</td>
<td><a href="http://codeforces.com/problemset/problem/108/A" target="_blank">Palindromic Times</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #83 (Div. 2 Only)</td>
<td>2</td>
</tr>
<tr>
<td>278</td>
<td><a href="http://codeforces.com/problemset/problem/127/A" target="_blank">Wasted Time</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #93 (Div. 2 Only)</td>
<td>2</td>
</tr>
<tr>
<td>279</td>
<td><a href="http://codeforces.com/problemset/problem/143/A" target="_blank">Help Vasilisa the Wise 2</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #102 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>280</td>
<td><a href="http://codeforces.com/problemset/problem/157/A" target="_blank">Game Outcome</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #110 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>281</td>
<td><a href="http://codeforces.com/problemset/problem/166/A" target="_blank">Rank List</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #113 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>282</td>
<td><a href="http://codeforces.com/problemset/problem/168/A" target="_blank">Wizards and Demonstration</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #114 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>283</td>
<td><a href="http://codeforces.com/problemset/problem/186/A" target="_blank">Comparing Strings</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #118 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>284</td>
<td><a href="http://codeforces.com/problemset/problem/205/A" target="_blank">Little Elephant and Rozdil</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #129 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>285</td>
<td><a href="http://codeforces.com/problemset/problem/215/A" target="_blank">Bicycle Chain</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #132 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>286</td>
<td><a href="http://codeforces.com/problemset/problem/221/A" target="_blank">Little Elephant and Function</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #136 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>287</td>
<td><a href="http://codeforces.com/problemset/problem/222/A" target="_blank">Shooshuns and Sequence </a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #137 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>288</td>
<td><a href="http://codeforces.com/problemset/problem/239/A" target="_blank">Two Bags of Potatoes</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #148 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>289</td>
<td><a href="http://codeforces.com/problemset/problem/246/A" target="_blank">Buggy Sorting</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #151 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>290</td>
<td><a href="http://codeforces.com/problemset/problem/248/A" target="_blank">Cupboards</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #152 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>291</td>
<td><a href="http://codeforces.com/problemset/problem/253/A" target="_blank">Boys and Girls</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #154 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>292</td>
<td><a href="http://codeforces.com/problemset/problem/259/A" target="_blank">Little Elephant and Chess</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #157 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>293</td>
<td><a href="http://codeforces.com/problemset/problem/260/A" target="_blank">Adding Digits</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #158 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>294</td>
<td><a href="http://codeforces.com/problemset/problem/287/A" target="_blank">IQ Test</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #176 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>295</td>
<td><a href="http://codeforces.com/problemset/problem/296/A" target="_blank">Yaroslav and Permutations</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #179 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>296</td>
<td><a href="http://codeforces.com/problemset/problem/302/A" target="_blank">Eugeny and Array</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #182 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>297</td>
<td><a href="http://codeforces.com/problemset/problem/322/A" target="_blank">Ciel and Dancing</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #190 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>298</td>
<td><a href="http://codeforces.com/problemset/problem/336/A" target="_blank">Vasily the Bear and Triangle</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #195 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>299</td>
<td><a href="http://codeforces.com/problemset/problem/340/A" target="_blank">The Wall</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #198 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>300</td>
<td><a href="http://codeforces.com/problemset/problem/342/A" target="_blank">Xenia and Divisors</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #199 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>301</td>
<td><a href="http://codeforces.com/problemset/problem/347/A" target="_blank">Difference Row</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #201 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>302</td>
<td><a href="http://codeforces.com/problemset/problem/355/A" target="_blank">Vasya and Digital Root</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #206 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>303</td>
<td><a href="http://codeforces.com/problemset/problem/357/A" target="_blank">Group of Students</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #207 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>304</td>
<td><a href="http://codeforces.com/problemset/problem/358/A" target="_blank">Dima and Continuous Line</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #208 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>305</td>
<td><a href="http://codeforces.com/problemset/problem/359/A" target="_blank">Table</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #209 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>306</td>
<td><a href="http://codeforces.com/problemset/problem/361/A" target="_blank">Levko and Table</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #210 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>307</td>
<td><a href="http://codeforces.com/problemset/problem/363/A" target="_blank">Soroban</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #211 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>308</td>
<td><a href="http://codeforces.com/problemset/problem/365/A" target="_blank">Good Number</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #213 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>309</td>
<td><a href="http://codeforces.com/problemset/problem/368/A" target="_blank">Sereja and Coat Rack</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #215 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>310</td>
<td><a href="http://codeforces.com/problemset/problem/373/A" target="_blank">Collecting Beats is Fun</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #219 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>311</td>
<td><a href="http://codeforces.com/problemset/problem/376/A" target="_blank">Lever</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #221 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>312</td>
<td><a href="http://codeforces.com/problemset/problem/382/A" target="_blank">Ksenia and Pan Scales</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #224 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>313</td>
<td><a href="http://codeforces.com/problemset/problem/387/A" target="_blank">George and Sleep</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #227 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>314</td>
<td><a href="http://codeforces.com/problemset/problem/400/A" target="_blank">Inna and Choose Options</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #234 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>315</td>
<td><a href="http://codeforces.com/problemset/problem/408/A" target="_blank">Line to Cashier</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #239 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>316</td>
<td><a href="http://codeforces.com/problemset/problem/415/A" target="_blank">Mashmokh and Lights</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #240 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>317</td>
<td><a href="http://codeforces.com/problemset/problem/424/A" target="_blank">Squats</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #242 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>318</td>
<td><a href="http://codeforces.com/problemset/problem/426/A" target="_blank">Sereja and Mugs</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #243 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>319</td>
<td><a href="http://codeforces.com/problemset/problem/433/A" target="_blank">Kitahara Haruki's Gift</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #248 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>320</td>
<td><a href="http://codeforces.com/problemset/problem/437/A" target="_blank">The Child and Homework</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #250 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>321</td>
<td><a href="http://codeforces.com/problemset/problem/447/A" target="_blank">DZY Loves Hash</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #255 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>322</td>
<td><a href="http://codeforces.com/problemset/problem/485/A" target="_blank">Factory</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #276 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>323</td>
<td><a href="http://codeforces.com/problemset/problem/489/A" target="_blank">SwapSort</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #277.5 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>324</td>
<td><a href="http://codeforces.com/problemset/problem/493/A" target="_blank">Vasya and Football</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #281 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>325</td>
<td><a href="http://codeforces.com/problemset/problem/495/A" target="_blank">Digital Counter</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #282 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>326</td>
<td><a href="http://codeforces.com/problemset/problem/505/A" target="_blank">Mr. Kitayuta's Gift</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #286 (Div. 1) & Codeforces Round #286 (Div. 2) & Codeforces Round #286 (Div. 1) & Codeforces Round #286 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>327</td>
<td><a href="http://codeforces.com/problemset/problem/508/A" target="_blank">Pasha and Pixels</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #288 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>328</td>
<td><a href="http://codeforces.com/problemset/problem/518/A" target="_blank">Vitaly and Strings</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #293 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>329</td>
<td><a href="http://codeforces.com/problemset/problem/538/A" target="_blank">Cutting Banner</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #300</td>
<td>2</td>
</tr>
<tr>
<td>330</td>
<td><a href="http://codeforces.com/problemset/problem/544/A" target="_blank">Set of Strings</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #302 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>331</td>
<td><a href="http://codeforces.com/problemset/problem/592/A" target="_blank">PawnChess</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #328 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>332</td>
<td><a href="http://codeforces.com/problemset/problem/593/A" target="_blank">2Char</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #329 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>333</td>
<td><a href="http://codeforces.com/problemset/problem/596/A" target="_blank">Wilbur and Swimming Pool</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #331 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>334</td>
<td><a href="http://codeforces.com/problemset/problem/606/A" target="_blank">Magic Spheres</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #335 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>335</td>
<td><a href="http://codeforces.com/problemset/problem/608/A" target="_blank">Saitama Destroys Hotel</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #336 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>336</td>
<td><a href="http://codeforces.com/problemset/problem/614/A" target="_blank">Link/Cut Tree</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #339 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>337</td>
<td><a href="http://codeforces.com/problemset/problem/631/A" target="_blank">Interview</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #344 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>338</td>
<td><a href="http://codeforces.com/problemset/problem/669/A" target="_blank">Little Artem and Presents</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #348 (VK Cup 2016 Round 2, Div. 2 Edition)</td>
<td>2</td>
</tr>
<tr>
<td>339</td>
<td><a href="http://codeforces.com/problemset/problem/667/A" target="_blank">Pouring Rain</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #349 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>340</td>
<td><a href="http://codeforces.com/problemset/problem/673/A" target="_blank">Bear and Game</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #351 (VK Cup 2016 Round 3, Div. 2 Edition)</td>
<td>2</td>
</tr>
<tr>
<td>341</td>
<td><a href="http://codeforces.com/problemset/problem/729/A" target="_blank">Interview with Oleg</a></td>
<td>Codeforces</td>
<td></td>
<td>Technocup 2017 - Elimination Round 2</td>
<td>2</td>
</tr>
<tr>
<td>342</td>
<td><a href="http://codeforces.com/problemset/problem/740/A" target="_blank">Alyona and copybooks</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #381 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>343</td>
<td><a href="http://codeforces.com/problemset/problem/740/B" target="_blank">Alyona and flowers</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #381 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>344</td>
<td><a href="http://www.spoj.com/problems/FENTREE/" target="_blank">Fenwick Trees</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>2</td>
</tr>
<tr>
<td>345</td>
<td><a href="http://codeforces.com/problemset/problem/747/A" target="_blank">Display Size</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #387 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>346</td>
<td><a href="http://codeforces.com/problemset/problem/748/A" target="_blank">Santa Claus and a Place in a Class</a></td>
<td>Codeforces</td>
<td></td>
<td>Technocup 2017 - Elimination Round 3</td>
<td>2</td>
</tr>
<tr>
<td>347</td>
<td><a href="http://codeforces.com/problemset/problem/754/A" target="_blank">Lesha and array splitting</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #390 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>348</td>
<td><a href="http://codeforces.com/problemset/problem/760/A" target="_blank">Petr and a calendar</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #393 (Div. 2) (8VC Venture Cup 2017 - Final Round Div. 2 Edition)</td>
<td>2</td>
</tr>
<tr>
<td>349</td>
<td><a href="http://codeforces.com/problemset/problem/765/A" target="_blank">Neverending competitions</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #397 by Kaspersky Lab and Barcelona Bootcamp (Div. 1 + Div. 2 combined)</td>
<td>2</td>
</tr>
<tr>
<td>350</td>
<td><a href="http://codeforces.com/problemset/problem/812/A" target="_blank">Sagheer and Crossroads</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #417 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>351</td>
<td><a href="http://codeforces.com/problemset/problem/810/A" target="_blank">Straight &lt;&lt;A&gt;&gt;</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #415 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>352</td>
<td><a href="http://codeforces.com/problemset/problem/794/A" target="_blank">Bank Robbery</a></td>
<td>Codeforces</td>
<td></td>
<td>Tinkoff Challenge - Final Round (Codeforces Round #414, rated, Div. 1 + Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>353</td>
<td><a href="http://codeforces.com/problemset/problem/799/A" target="_blank">Carrot Cakes</a></td>
<td>Codeforces</td>
<td></td>
<td>Playrix Codescapes Cup (Codeforces Round #413, rated, Div. 1 + Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>354</td>
<td><a href="http://codeforces.com/problemset/problem/807/A" target="_blank">Is it rated?</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #412 (rated, Div. 2, base on VK Cup 2017 Round 3)</td>
<td>2</td>
</tr>
<tr>
<td>355</td>
<td><a href="http://codeforces.com/problemset/problem/801/A" target="_blank">Vicious Keyboard</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #409 (rated, Div. 2, based on VK Cup 2017 Round 2)</td>
<td>2</td>
</tr>
<tr>
<td>356</td>
<td><a href="http://codeforces.com/problemset/problem/845/A" target="_blank">Chess Tourney</a></td>
<td>Codeforces</td>
<td></td>
<td>Educational Codeforces Round 27</td>
<td>2</td>
</tr>
<tr>
<td>357</td>
<td><a href="http://codeforces.com/problemset/problem/828/A" target="_blank">Restaurant Tables</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #423 (Div. 2, rated, based on VK Cup Finals)</td>
<td>2</td>
</tr>
<tr>
<td>358</td>
<td><a href="http://codeforces.com/problemset/problem/820/A" target="_blank">Mister B and Book Reading</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #421 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>359</td>
<td><a href="http://codeforces.com/problemset/problem/821/A" target="_blank">Okabe and Future Gadget Laboratory</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #420 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>360</td>
<td><a href="http://codeforces.com/problemset/problem/873/A" target="_blank">Chores</a></td>
<td>Codeforces</td>
<td></td>
<td>Educational Codeforces Round 30</td>
<td>2</td>
</tr>
<tr>
<td>361</td>
<td><a href="http://codeforces.com/problemset/problem/868/A" target="_blank">Bark to Unlock</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #438 by Sberbank and Barcelona Bootcamp (Div. 1 + Div. 2 combined)</td>
<td>2</td>
</tr>
<tr>
<td>362</td>
<td><a href="http://codeforces.com/problemset/problem/893/A" target="_blank">Chess For Three</a></td>
<td>Codeforces</td>
<td></td>
<td>Educational Codeforces Round 33 (Rated for Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>363</td>
<td><a href="http://codeforces.com/problemset/problem/251/A" target="_blank">Points on Line</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #153 (Div. 1) & Codeforces Round #153 (Div. 2)</td>
<td>2</td>
</tr>
<tr>
<td>364</td>
<td><a href="https://icpcarchive.ecs.baylor.edu/index.php?option=onlinejudge&page=show_problem&problem=1401" target="_blank">Book Replacement</a></td>
<td>Live Archive</td>
<td>2005</td>
<td>Asia - Tokyo</td>
<td>2</td>
</tr>
<tr>
<td>365</td>
<td><a href="http://codeforces.com/problemset/problem/7/A" target="_blank">Kalevitch and Chess</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #7</td>
<td>3</td>
</tr>
<tr>
<td>366</td>
<td><a href="http://codeforces.com/problemset/problem/11/A" target="_blank">Increasing Sequence</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #11</td>
<td>3</td>
</tr>
<tr>
<td>367</td>
<td><a href="http://codeforces.com/problemset/problem/12/A" target="_blank">Super Agent</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #12 (Div 2 Only)</td>
<td>3</td>
</tr>
<tr>
<td>368</td>
<td><a href="http://codeforces.com/problemset/problem/13/A" target="_blank">Numbers</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #13</td>
<td>3</td>
</tr>
<tr>
<td>369</td>
<td><a href="http://codeforces.com/problemset/problem/14/A" target="_blank">Letter</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #14 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>370</td>
<td><a href="http://codeforces.com/problemset/problem/17/A" target="_blank">Noldbach problem</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #17</td>
<td>3</td>
</tr>
<tr>
<td>371</td>
<td><a href="http://codeforces.com/problemset/problem/31/A" target="_blank">Worms Evolution</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #31 (Div. 2, Codeforces format)</td>
<td>3</td>
</tr>
<tr>
<td>372</td>
<td><a href="http://codeforces.com/problemset/problem/32/A" target="_blank">Reconnaissance</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #32 (Div. 2, Codeforces format)</td>
<td>3</td>
</tr>
<tr>
<td>373</td>
<td><a href="http://codeforces.com/problemset/problem/46/A" target="_blank">Ball Game</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>3</td>
</tr>
<tr>
<td>374</td>
<td><a href="http://codeforces.com/problemset/problem/49/A" target="_blank">Sleuth</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #46 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>375</td>
<td><a href="http://codeforces.com/problemset/problem/56/A" target="_blank">Bar</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #52 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>376</td>
<td><a href="http://codeforces.com/problemset/problem/66/A" target="_blank">Petya and Java</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #61 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>377</td>
<td><a href="http://codeforces.com/problemset/problem/74/A" target="_blank">Room Leader</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #68</td>
<td>3</td>
</tr>
<tr>
<td>378</td>
<td><a href="http://codeforces.com/problemset/problem/78/A" target="_blank">Haiku</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #70 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>379</td>
<td><a href="http://codeforces.com/problemset/problem/99/A" target="_blank">Help Far Away Kingdom</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #78 (Div. 2 Only)</td>
<td>3</td>
</tr>
<tr>
<td>380</td>
<td><a href="http://codeforces.com/problemset/problem/106/A" target="_blank">Card Game</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #82 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>381</td>
<td><a href="http://codeforces.com/problemset/problem/137/A" target="_blank">Postcards and photos</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #98 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>382</td>
<td><a href="http://codeforces.com/problemset/problem/140/A" target="_blank">New Year Table</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #100</td>
<td>3</td>
</tr>
<tr>
<td>383</td>
<td><a href="http://codeforces.com/problemset/problem/190/A" target="_blank">Vasya and the Bus</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #120 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>384</td>
<td><a href="http://codeforces.com/problemset/problem/192/A" target="_blank">Funky Numbers</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #121 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>385</td>
<td><a href="http://codeforces.com/problemset/problem/194/A" target="_blank">Exams</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #122 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>386</td>
<td><a href="http://codeforces.com/problemset/problem/195/A" target="_blank">Let's Watch Football</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #123 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>387</td>
<td><a href="http://codeforces.com/problemset/problem/202/A" target="_blank">LLPS</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #127 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>388</td>
<td><a href="http://codeforces.com/problemset/problem/203/A" target="_blank">Two Problems</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #128 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>389</td>
<td><a href="http://codeforces.com/problemset/problem/216/A" target="_blank">Tiling with Hexagons</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #133 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>390</td>
<td><a href="http://codeforces.com/problemset/problem/225/A" target="_blank">Dice Tower</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #139 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>391</td>
<td><a href="http://codeforces.com/problemset/problem/242/A" target="_blank">Heads or Tails</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #149 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>392</td>
<td><a href="http://codeforces.com/problemset/problem/244/A" target="_blank">Dividing Orange</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #150 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>393</td>
<td><a href="http://codeforces.com/problemset/problem/252/A" target="_blank">Little Xor</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #153 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>394</td>
<td><a href="http://codeforces.com/problemset/problem/254/A" target="_blank">Cards with Numbers</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #155 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>395</td>
<td><a href="http://codeforces.com/problemset/problem/257/A" target="_blank">Sockets</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #159 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>396</td>
<td><a href="http://codeforces.com/problemset/problem/279/A" target="_blank">Point on Spiral</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #171 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>397</td>
<td><a href="http://codeforces.com/problemset/problem/284/A" target="_blank">Cows and Primitive Roots</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #174 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>398</td>
<td><a href="http://codeforces.com/problemset/problem/289/A" target="_blank">Polo the Penguin and Segments </a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #177 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>399</td>
<td><a href="http://codeforces.com/problemset/problem/298/A" target="_blank">Snow Footprints</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #180 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>400</td>
<td><a href="http://codeforces.com/problemset/problem/304/A" target="_blank">Pythagorean Theorem II</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #183 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>401</td>
<td><a href="http://codeforces.com/problemset/problem/312/A" target="_blank">Whose sentence is it?</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #185 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>402</td>
<td><a href="http://codeforces.com/problemset/problem/315/A" target="_blank">Sereja and Bottles</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #187 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>403</td>
<td><a href="http://codeforces.com/problemset/problem/332/A" target="_blank">Down the Hatch!</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #193 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>404</td>
<td><a href="http://codeforces.com/problemset/problem/366/A" target="_blank">Dima and Guards</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #214 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>405</td>
<td><a href="http://codeforces.com/problemset/problem/370/A" target="_blank">Rook, Bishop and King</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #217 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>406</td>
<td><a href="http://codeforces.com/problemset/problem/371/A" target="_blank">K-Periodic Array</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #218 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>407</td>
<td><a href="http://codeforces.com/problemset/problem/402/A" target="_blank">Nuts</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #236 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>408</td>
<td><a href="http://codeforces.com/problemset/problem/416/A" target="_blank">Guess a number!</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #241 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>409</td>
<td><a href="http://codeforces.com/problemset/problem/569/A" target="_blank">Music</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #315 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>410</td>
<td><a href="http://codeforces.com/problemset/problem/625/A" target="_blank">Guest From the Past</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #342 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>411</td>
<td><a href="http://codeforces.com/problemset/problem/689/A" target="_blank">Mike and Cellphone</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #361 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>412</td>
<td><a href="http://codeforces.com/problemset/problem/224/B" target="_blank">Array</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #138 (Div. 2)</td>
<td>3</td>
</tr>
<tr>
<td>413</td>
<td><a href="http://www.spoj.com/problems/MAP/" target="_blank">The Map</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>414</td>
<td><a href="http://www.spoj.com/problems/WMELON/" target="_blank">Johnny and the Watermelon Plantation</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>3</td>
</tr>
<tr>
<td>415</td>
<td><a href="http://codeforces.com/problemset/problem/8/A" target="_blank">Train and Peter</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #8</td>
<td>4</td>
</tr>
<tr>
<td>416</td>
<td><a href="http://codeforces.com/problemset/problem/10/A" target="_blank">Power Consumption Calculation</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #10</td>
<td>4</td>
</tr>
<tr>
<td>417</td>
<td><a href="http://codeforces.com/problemset/problem/18/A" target="_blank">Triangle</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #18 (Div. 2 Only)</td>
<td>4</td>
</tr>
<tr>
<td>418</td>
<td><a href="http://codeforces.com/problemset/problem/20/A" target="_blank">BerOS file system</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Alpha Round #20 (Codeforces format)</td>
<td>4</td>
</tr>
<tr>
<td>419</td>
<td><a href="http://codeforces.com/problemset/problem/23/A" target="_blank">You're Given a String...</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #23</td>
<td>4</td>
</tr>
<tr>
<td>420</td>
<td><a href="http://codeforces.com/problemset/problem/24/A" target="_blank">Ring road</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #24</td>
<td>4</td>
</tr>
<tr>
<td>421</td>
<td><a href="http://codeforces.com/problemset/problem/29/A" target="_blank">Spit Problem</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #29 (Div. 2, Codeforces format)</td>
<td>4</td>
</tr>
<tr>
<td>422</td>
<td><a href="http://codeforces.com/problemset/problem/35/A" target="_blank">Shell Game</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #35 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>423</td>
<td><a href="http://codeforces.com/problemset/problem/53/A" target="_blank">Autocomplete</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #49 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>424</td>
<td><a href="http://codeforces.com/problemset/problem/60/A" target="_blank">Where Are My Flakes?</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #56</td>
<td>4</td>
</tr>
<tr>
<td>425</td>
<td><a href="http://codeforces.com/problemset/problem/62/A" target="_blank">A Student's Dream</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #58</td>
<td>4</td>
</tr>
<tr>
<td>426</td>
<td><a href="http://codeforces.com/problemset/problem/68/A" target="_blank">Irrational problem</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #62</td>
<td>4</td>
</tr>
<tr>
<td>427</td>
<td><a href="http://codeforces.com/problemset/problem/70/A" target="_blank">Cookies</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #64</td>
<td>4</td>
</tr>
<tr>
<td>428</td>
<td><a href="http://codeforces.com/problemset/problem/79/A" target="_blank">Bus Game</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #71</td>
<td>4</td>
</tr>
<tr>
<td>429</td>
<td><a href="http://codeforces.com/problemset/problem/88/A" target="_blank">Chord</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #73 (Div. 2 Only)</td>
<td>4</td>
</tr>
<tr>
<td>430</td>
<td><a href="http://codeforces.com/problemset/problem/90/A" target="_blank">Cableway</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #74 (Div. 2 Only)</td>
<td>4</td>
</tr>
<tr>
<td>431</td>
<td><a href="http://codeforces.com/problemset/problem/197/A" target="_blank">Plate Game</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #124 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>432</td>
<td><a href="http://codeforces.com/problemset/problem/218/A" target="_blank">Mountain Scenery</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #134 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>433</td>
<td><a href="http://codeforces.com/problemset/problem/227/A" target="_blank">Where do I Turn?</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #140 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>434</td>
<td><a href="http://codeforces.com/problemset/problem/234/A" target="_blank">Lefthanders and Righthanders </a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #145 (Div. 2, ACM-ICPC Rules)</td>
<td>4</td>
</tr>
<tr>
<td>435</td>
<td><a href="http://codeforces.com/problemset/problem/305/A" target="_blank">Strange Addition</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #184 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>436</td>
<td><a href="http://codeforces.com/problemset/problem/362/A" target="_blank">Two Semiknights Meet</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #212 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>437</td>
<td><a href="http://codeforces.com/problemset/problem/393/A" target="_blank">Nineteen</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #230 (Div. 2)</td>
<td>4</td>
</tr>
<tr>
<td>438</td>
<td><a href="p?ID=276" target="_blank">K-Palindrome</a></td>
<td>A2 Online Judge</td>
<td></td>
<td></td>
<td>4</td>
</tr>
<tr>
<td>439</td>
<td><a href="https://icpcarchive.ecs.baylor.edu/index.php?option=onlinejudge&page=show_problem&problem=221" target="_blank">Binary Search</a></td>
<td>Live Archive</td>
<td>2000</td>
<td>Europe - Northeastern</td>
<td>4</td>
</tr>
<tr>
<td>440</td>
<td><a href="http://codeforces.com/problemset/problem/15/A" target="_blank">Cottage Village</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #15</td>
<td>5</td>
</tr>
<tr>
<td>441</td>
<td><a href="http://codeforces.com/problemset/problem/19/A" target="_blank">World Football Cup</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #19</td>
<td>5</td>
</tr>
<tr>
<td>442</td>
<td><a href="http://codeforces.com/problemset/problem/30/A" target="_blank">Accounting</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #30 (Codeforces format)</td>
<td>5</td>
</tr>
<tr>
<td>443</td>
<td><a href="http://codeforces.com/problemset/problem/33/A" target="_blank">What is for dinner?</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #33 (Codeforces format)</td>
<td>5</td>
</tr>
<tr>
<td>444</td>
<td><a href="http://codeforces.com/problemset/problem/36/A" target="_blank">Extra-terrestrial Intelligence</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #36</td>
<td>5</td>
</tr>
<tr>
<td>445</td>
<td><a href="http://codeforces.com/problemset/problem/40/A" target="_blank">Find Color</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #39</td>
<td>5</td>
</tr>
<tr>
<td>446</td>
<td><a href="http://codeforces.com/problemset/problem/42/A" target="_blank">Guilty --- to the kitchen!</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #41</td>
<td>5</td>
</tr>
<tr>
<td>447</td>
<td><a href="http://codeforces.com/problemset/problem/48/A" target="_blank">Rock-paper-scissors</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>5</td>
</tr>
<tr>
<td>448</td>
<td><a href="http://codeforces.com/problemset/problem/55/A" target="_blank">Flea travel</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #51</td>
<td>5</td>
</tr>
<tr>
<td>449</td>
<td><a href="http://codeforces.com/problemset/problem/57/A" target="_blank">Square Earth?</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #53</td>
<td>5</td>
</tr>
<tr>
<td>450</td>
<td><a href="http://codeforces.com/problemset/problem/102/A" target="_blank">Clothes</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #79 (Div. 2 Only)</td>
<td>5</td>
</tr>
<tr>
<td>451</td>
<td><a href="http://codeforces.com/problemset/problem/117/A" target="_blank">Elevator</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #88</td>
<td>5</td>
</tr>
<tr>
<td>452</td>
<td><a href="http://codeforces.com/problemset/problem/175/A" target="_blank">Robot Bicorn Attack</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #115</td>
<td>5</td>
</tr>
<tr>
<td>453</td>
<td><a href="http://codeforces.com/problemset/problem/374/A" target="_blank">Inna and Pink Pony</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #220 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>454</td>
<td><a href="http://codeforces.com/problemset/problem/390/A" target="_blank">Inna and Alarm Clock</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #229 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>455</td>
<td><a href="http://codeforces.com/problemset/problem/394/A" target="_blank">Counting Sticks</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #231 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>456</td>
<td><a href="http://codeforces.com/problemset/problem/399/A" target="_blank">Pages</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #233 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>457</td>
<td><a href="http://codeforces.com/problemset/problem/430/A" target="_blank">Points and Segments (easy)</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #245 (Div. 2)</td>
<td>5</td>
</tr>
<tr>
<td>458</td>
<td><a href="http://codeforces.com/problemset/problem/802/M" target="_blank">April Fools' Problem (easy)</a></td>
<td>Codeforces</td>
<td></td>
<td>Helvetic Coding Contest 2017 online mirror (teams allowed, unrated)</td>
<td>5</td>
</tr>
<tr>
<td>459</td>
<td><a href="http://www.codechef.com/problems/DFSGRID" target="_blank">Chef and The Recursive Algorithm</a></td>
<td>CodeChef</td>
<td></td>
<td></td>
<td>5</td>
</tr>
<tr>
<td>460</td>
<td><a href="http://codeforces.com/problemset/problem/930/B" target="_blank">Game with String</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #468 (Div. 1, based on Technocup 2018 Final Round) & Codeforces Round #468 (Div. 2, based on Technocup 2018 Final Round)</td>
<td>5</td>
</tr>
<tr>
<td>461</td>
<td><a href="http://community.topcoder.com/stat?c=problem_statement&pm=9837" target="_blank">InfiniteSequence</a></td>
<td>TopCoder</td>
<td></td>
<td>SRM 413 - Div2 hard] (13504)</td>
<td>5</td>
</tr>
<tr>
<td>462</td>
<td><a href="http://codeforces.com/problemset/problem/51/A" target="_blank">Cheaterius's Problem</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #48</td>
<td>6</td>
</tr>
<tr>
<td>463</td>
<td><a href="http://codeforces.com/problemset/problem/54/A" target="_blank">Presents</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #50</td>
<td>6</td>
</tr>
<tr>
<td>464</td>
<td><a href="http://codeforces.com/problemset/problem/65/A" target="_blank">Harry Potter and Three Spells</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #60</td>
<td>6</td>
</tr>
<tr>
<td>465</td>
<td><a href="http://codeforces.com/problemset/problem/73/A" target="_blank">The Elder Trolls IV: Oblivon</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #66</td>
<td>6</td>
</tr>
<tr>
<td>466</td>
<td><a href="http://codeforces.com/problemset/problem/105/A" target="_blank">Transmigration</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #81</td>
<td>6</td>
</tr>
<tr>
<td>467</td>
<td><a href="http://codeforces.com/problemset/problem/397/A" target="_blank">On Segment's Own Points</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #232 (Div. 2)</td>
<td>6</td>
</tr>
<tr>
<td>468</td>
<td><a href="https://uva.onlinejudge.org/index.php?option=onlinejudge&page=show_problem&problem=2752" target="_blank">Grasshopper</a></td>
<td>UVA</td>
<td></td>
<td></td>
<td>6</td>
</tr>
<tr>
<td>469</td>
<td><a href="http://codeforces.com/problemset/problem/21/A" target="_blank">Jabber ID</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Alpha Round #21 (Codeforces format)</td>
<td>7</td>
</tr>
<tr>
<td>470</td>
<td><a href="http://codeforces.com/problemset/problem/28/A" target="_blank">Bender Problem</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Beta Round #28 (Codeforces format)</td>
<td>7</td>
</tr>
<tr>
<td>471</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>472</td>
<td><a href="http://codeforces.com/problemset/problem/180/A" target="_blank">Defragmentation</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #116 (Div. 2, ACM-ICPC Rules)</td>
<td>8</td>
</tr>
<tr>
<td>473</td>
<td><a href="http://codeforces.com/problemset/problem/200/A" target="_blank">Cinema</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #126 (Div. 2)</td>
<td>8</td>
</tr>
<tr>
<td>474</td>
<td><a href="http://www.spoj.com/problems/AMRALAA/" target="_blank">Amr and Math</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>8</td>
</tr>
<tr>
<td>475</td>
<td><a href="http://codeforces.com/problemset/problem/837/F" target="_blank">Prefix Sums</a></td>
<td>Codeforces</td>
<td></td>
<td>Educational Codeforces Round 26</td>
<td>8</td>
</tr>
<tr>
<td>476</td>
<td><a href="http://acm.tju.edu.cn/toj/showp3253.html" target="_blank">Watermelons</a></td>
<td>TJU</td>
<td></td>
<td></td>
<td>8</td>
</tr>
<tr>
<td>477</td>
<td><a href="http://codeforces.com/problemset/problem/182/A" target="_blank">Battlefield</a></td>
<td>Codeforces</td>
<td></td>
<td>Codeforces Round #117 (Div. 2)</td>
<td>9</td>
</tr>
<tr>
<td>478</td>
<td><a href="http://www.spoj.com/problems/BFSBFS/" target="_blank">bfs</a></td>
<td>SPOJ</td>
<td></td>
<td></td>
<td>10</td>
</tr>
</table>
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