Problem Name | Online Judge | Year | Contest | Difficulty Level | |
---|---|---|---|---|---|

1 | Dragons | Codeforces | Codeforces Round #142 (Div. 2) | 1 | |

2 | Twins | Codeforces | Codeforces Round #111 (Div. 2) | 1 | |

3 | Business trip | Codeforces | Codeforces Round #106 (Div. 2) | 1 | |

4 | Amusing Joke | Codeforces | Codeforces Round #101 (Div. 2) | 1 | |

5 | Towers | Codeforces | Codeforces Beta Round #37 | 1 | |

6 | Sale | Codeforces | Codeforces Beta Round #34 (Div. 2) | 1 | |

7 | Registration System | Codeforces | Codeforces Beta Round #4 (Div. 2 Only) | 1 | |

8 | DNA Sorting | UVA | 1 | ||

9 | Football (aka Soccer) | UVA | 1 | ||

10 | Contest Scoreboard | UVA | 1 | ||

11 | Defense of a Kingdom | SPOJ | 1 | ||

12 | The Great Ball | SPOJ | 1 | ||

13 | Translation | Codeforces | Codeforces Beta Round #40 (Div. 2) | 1 | |

14 | Digit Sorting | TJU | 1 | ||

15 | Ananagrams | UVA | 1 | ||

16 | Football | Codeforces | Codeforces Beta Round #42 (Div. 2) | 1 | |

17 | LittleElephantAndBooks | TopCoder | SRM 592 - Div2 easy] (15704) | 1 | |

18 | Cryptography | TopCoder | SRM 480 - Div2 easy] (14159) | 1 | |

19 | RoyalTreasurer | TopCoder | SRM 433 - Div2 easy] (13695) | 1 | |

20 | Division of Nlogonia | UVA | 1 | ||

21 | Julka | SPOJ | 1 | ||

22 | Beautiful Paintings | Codeforces | Codeforces Round #345 (Div. 2) | 1 | |

23 | USB Flash Drives | Codeforces | Educational Codeforces Round 3 | 1 | |

24 | Queries about less or equal elements | Codeforces | Educational Codeforces Round 2 | 1 | |

25 | Kefa and Company | Codeforces | Codeforces Round #321 (Div. 2) | 1 | |

26 | Arrays | Codeforces | Codeforces Round #317 [AimFund Thanks-Round] (Div. 2) | 1 | |

27 | Currency System in Geraldion | Codeforces | Codeforces Round #313 (Div. 2) | 1 | |

28 | Lala Land and Apple Trees | Codeforces | Codeforces Round #312 (Div. 2) | 1 | |

29 | GukiZ and Contest | Codeforces | Codeforces Round #307 (Div. 2) | 1 | |

30 | Soldier and Badges | Codeforces | Codeforces Round #304 (Div. 2) | 1 | |

31 | Queue | Codeforces | Codeforces Round #303 (Div. 2) | 1 | |

32 | Drazil and Factorial | Codeforces | Codeforces Round #292 (Div. 2) & Codeforces Round #292 (Div. 1) | 1 | |

33 | Amr and Music | Codeforces | Codeforces Round #287 (Div. 2) | 1 | |

34 | Vanya and Lanterns | Codeforces | Codeforces Round #280 (Div. 2) | 1 | |

35 | Team Olympiad | Codeforces | Codeforces Round #279 (Div. 2) | 1 | |

36 | BerSU Ball | Codeforces | Codeforces Round #277.5 (Div. 2) | 1 | |

37 | Exams | Codeforces | Codeforces Round #274 (Div. 2) & Codeforces Round #274 (Div. 1) | 1 | |

38 | Appleman and Toastman | Codeforces | Codeforces Round #263 (Div. 1) & Codeforces Round #263 (Div. 2) | 1 | |

39 | Pashmak and Flowers | Codeforces | Codeforces Round #261 (Div. 2) | 1 | |

40 | Laptops | Codeforces | Codeforces Round #260 (Div. 2) | 1 | |

41 | Sort the Array | Codeforces | Codeforces Round #258 (Div. 2) | 1 | |

42 | Devu, the Dumb Guy | Codeforces | Codeforces Round #251 (Div. 2) | 1 | |

43 | Kuriyama Mirai's Stones | Codeforces | Codeforces Round #248 (Div. 2) | 1 | |

44 | Choosing Teams | Codeforces | Codeforces Round #246 (Div. 2) | 1 | |

45 | Gravity Flip | Codeforces | Codeforces Round #238 (Div. 2) | 1 | |

46 | Helpful Maths | Codeforces | Codeforces Round #197 (Div. 2) | 1 | |

47 | Building Permutation | Codeforces | Codeforces Round #175 (Div. 2) | 1 | |

48 | Little Girl and Maximum Sum | Codeforces | Codeforces Round #169 (Div. 2) | 1 | |

49 | Alyona and Mex | Codeforces | Codeforces Round #358 (Div. 2) | 1 | |

50 | Vito's Family | UVA | 1 | ||

51 | An abandoned sentiment from past | Codeforces | Codeforces Round #418 (Div. 2) | 1 | |

52 | Mahmoud and a Triangle | Codeforces | Codeforces Round #396 (Div. 2) | 1 | |

53 | Anton and Classes | Codeforces | Codeforces Round #404 (Div. 2) | 1 | |

54 | Passwords | Codeforces | Codeforces Round #374 (Div. 2) | 1 | |

55 | Lucky Division | Codeforces | Codeforces Beta Round #91 (Div. 2 Only) | 1 | |

56 | Chat room | Codeforces | Codeforces Beta Round #54 (Div. 2) | 1 | |

57 | Big Segment | Codeforces | Codeforces Round #149 (Div. 2) | 2 | |

58 | Little Elephant and Problem | Codeforces | Codeforces Round #136 (Div. 1) & Codeforces Round #136 (Div. 2) | 2 | |

59 | Rank List | Codeforces | Codeforces Round #113 (Div. 2) | 2 | |

60 | Unlucky Ticket | Codeforces | Codeforces Round #111 (Div. 2) | 2 | |

61 | Trace | Codeforces | Codeforces Round #110 (Div. 2) | 2 | |

62 | Combination | Codeforces | Codeforces Round #109 (Div. 2) | 2 | |

63 | Sinking Ship | Codeforces | Codeforces Beta Round #59 (Div. 2) | 2 | |

64 | Next Test | Codeforces | Codeforces Beta Round #27 (Codeforces format, Div. 2) | 2 | |

65 | Bubbles and Buckets | UVA | 2 | ||

66 | Ljutnja | SPOJ | 2 | ||

67 | Ascending Fibonacci Numbers | SPOJ | 2 | ||

68 | Handball | UVA | 2 | ||

69 | k-Multiple Free Set | Codeforces | Codeforces Round #168 (Div. 1) & Codeforces Round #168 (Div. 2) | 2 | |

70 | Qualifying Contest | Codeforces | Codeforces Round #346 (Div. 2) | 2 | |

71 | Bear and Three Balls | Codeforces | IndiaHacks 2016 - Online Edition (Div. 1 + Div. 2) | 2 | |

72 | Chat Order | Codeforces | VK Cup 2016 - Qualification Round 1 | 2 | |

73 | Making a String | Codeforces | AIM Tech Round (Div. 2) | 2 | |

74 | Developing Skills | Codeforces | Codeforces Round #322 (Div. 2) | 2 | |

75 | Equivalent Strings | Codeforces | Codeforces Round #313 (Div. 1) & Codeforces Round #313 (Div. 2) | 2 | |

76 | Pasha and Tea | Codeforces | Codeforces Round #311 (Div. 2) | 2 | |

77 | Fox And Names | Codeforces | Codeforces Round #290 (Div. 2) & Codeforces Round #290 (Div. 1) | 2 | |

78 | New Year Permutation | Codeforces | Good Bye 2014 | 2 | |

79 | Vanya and Exams | Codeforces | Codeforces Round #280 (Div. 2) | 2 | |

80 | SwapSort | Codeforces | Codeforces Round #277.5 (Div. 2) | 2 | |

81 | Towers | Codeforces | Codeforces Round #274 (Div. 2) | 2 | |

82 | MUH and Important Things | Codeforces | Codeforces Round #269 (Div. 2) | 2 | |

83 | The Child and Toy | Codeforces | Codeforces Round #250 (Div. 2) & Codeforces Round #250 (Div. 1) | 2 | |

84 | Fox and Box Accumulation | Codeforces | Codeforces Round #228 (Div. 1) & Codeforces Round #228 (Div. 2) | 2 | |

85 | New Year Ratings Change | Codeforces | Good Bye 2013 | 2 | |

86 | Counting Kangaroos is Fun | Codeforces | Codeforces Round #219 (Div. 1) & Codeforces Round #219 (Div. 2) | 2 | |

87 | Petya and Staircases | Codeforces | Codeforces Round #212 (Div. 2) | 2 | |

88 | Jeff and Periods | Codeforces | Codeforces Round #204 (Div. 2) | 2 | |

89 | Mafia | Codeforces | Codeforces Round #202 (Div. 1) & Codeforces Round #202 (Div. 2) | 2 | |

90 | Difference Row | Codeforces | Codeforces Round #201 (Div. 2) | 2 | |

91 | Polo the Penguin and Matrix | Codeforces | Codeforces Round #177 (Div. 2) | 2 | |

92 | Squares | Codeforces | Codeforces Round #161 (Div. 2) | 2 | |

93 | Buggy Sorting | Codeforces | Codeforces Round #151 (Div. 2) | 2 | |

94 | Little Robber Girl's Zoo | Codeforces | Codeforces Round #359 (Div. 2) | 2 | |

95 | Counting heaps | Live Archive | 2008 | Europe - Central | 2 |

96 | Restoring Password | Codeforces | Codeforces Beta Round #76 (Div. 2 Only) | 2 | |

97 | Leha and Function | Codeforces | Codeforces Round #429 (Div. 1) & Codeforces Round #429 (Div. 2) | 2 | |

98 | Urbanization | Codeforces | Codeforces Round #382 (Div. 2) | 2 | |

99 | Game of Credit Cards | Codeforces | Codeforces Round #401 (Div. 2) | 2 | |

100 | Summer sell-off | Codeforces | Codeforces Round #415 (Div. 2) | 2 | |

101 | Vladik and Complicated Book | Codeforces | Codeforces Round #416 (Div. 2) | 2 | |

102 | Cards with Numbers | Codeforces | Codeforces Round #155 (Div. 2) | 3 | |

103 | Reading | Codeforces | Codeforces Round #145 (Div. 2, ACM-ICPC Rules) | 3 | |

104 | To Add or Not to Add | Codeforces | Codeforces Round #143 (Div. 2) | 3 | |

105 | Photographer | Codeforces | Codeforces Round #128 (Div. 2) | 3 | |

106 | Median | Codeforces | Codeforces Round #113 (Div. 2) | 3 | |

107 | History | Codeforces | Codeforces Beta Round #98 (Div. 2) | 3 | |

108 | Replacement | Codeforces | Codeforces Beta Round #97 (Div. 1) & Codeforces Beta Round #97 (Div. 2) | 3 | |

109 | Powerful array | Codeforces | Yandex.Algorithm 2011 Round 2 | 3 | |

110 | Burglar and Matches | Codeforces | Codeforces Beta Round #16 (Div. 2 Only) | 3 | |

111 | Correct Solution? | Codeforces | Codeforces Beta Round #12 (Div 2 Only) | 3 | |

112 | Mysterious Present | Codeforces | Codeforces Beta Round #4 (Div. 2 Only) | 3 | |

113 | 2D-SORT | SPOJ | 3 | ||

114 | HELP NERUBAN | SPOJ | 3 | ||

115 | z-sort | Codeforces | Educational Codeforces Round 10 | 3 | |

116 | Day at the Beach | Codeforces | Codeforces Round #332 (Div. 2) | 3 | |

117 | Anton and Lines | Codeforces | Codeforces Round #329 (Div. 2) | 3 | |

118 | Finding Team Member | Codeforces | Codeforces Round #320 (Div. 2) [Bayan Thanks-Round] | 3 | |

119 | Order Book | Codeforces | Codeforces Round #317 [AimFund Thanks-Round] (Div. 2) | 3 | |

120 | Ilya and Sticks | Codeforces | Codeforces Round #297 (Div. 2) | 3 | |

121 | Misha and Forest | Codeforces | Codeforces Round #285 (Div. 2) & Codeforces Round #285 (Div. 1) | 3 | |

122 | Vasya and Basketball | Codeforces | Codeforces Round #281 (Div. 2) | 3 | |

123 | Maximum Value | Codeforces | Codeforces Round #276 (Div. 1) & Codeforces Round #276 (Div. 2) | 3 | |

124 | Pashmak and Parmida's problem | Codeforces | Codeforces Round #261 (Div. 2) | 3 | |

125 | The Child and Set | Codeforces | Codeforces Round #250 (Div. 2) | 3 | |

126 | Megacity | Codeforces | Codeforces Round #242 (Div. 2) | 3 | |

127 | Arithmetic Progression | Codeforces | Codeforces Round #224 (Div. 2) | 3 | |

128 | Sereja and Stairs | Codeforces | Codeforces Round #223 (Div. 2) | 3 | |

129 | Bombs | Codeforces | Codeforces Round #203 (Div. 2) | 3 | |

130 | Ilya and Matrix | Codeforces | Codeforces Round #186 (Div. 2) | 3 | |

131 | Spyke Talks | Codeforces | Croc Champ 2013 - Qualification Round | 3 | |

132 | Maxim and Discounts | Codeforces | Codeforces Round #160 (Div. 1) & Codeforces Round #160 (Div. 2) | 3 | |

133 | Sockets | Codeforces | Codeforces Round #159 (Div. 2) | 3 | |

134 | Longest Regular Bracket Sequence | Codeforces | Codeforces Beta Round #5 | 3 | |

135 | Long Jumps | Codeforces | Codeforces Round #274 (Div. 2) & Codeforces Round #274 (Div. 1) | 3 | |

136 | Cellular Network | Codeforces | Educational Codeforces Round 15 | 3 | |

137 | Do you want a date? | Codeforces | Codeforces Round #415 (Div. 1) & Codeforces Round #415 (Div. 2) | 3 | |

138 | Mashmokh and Tokens | Codeforces | Codeforces Round #240 (Div. 2) | 3 | |

139 | Growing Mushrooms | Codeforces | Codeforces Round #118 (Div. 2) | 4 | |

140 | Chores | Codeforces | VK Cup 2012 Round 2 (Unofficial Div. 2 Edition) | 4 | |

141 | Find Pair | Codeforces | Codeforces Round #111 (Div. 2) | 4 | |

142 | Matchmaker | Codeforces | VK Cup 2012 Qualification Round 2 | 4 | |

143 | Division into Teams | Codeforces | Codeforces Round #106 (Div. 2) | 4 | |

144 | Queue | Codeforces | Codeforces Beta Round #75 (Div. 1 Only) & Codeforces Beta Round #75 (Div. 2 Only) | 4 | |

145 | Page Numbers | Codeforces | Codeforces Beta Round #34 (Div. 2) | 4 | |

146 | Fruits | Codeforces | Codeforces Beta Round #12 (Div 2 Only) | 4 | |

147 | Troops of Sand Monsters | SPOJ | 4 | ||

148 | The Smallest String Concatenation | Codeforces | Educational Codeforces Round 9 | 4 | |

149 | Report | Codeforces | Codeforces Round #344 (Div. 2) | 4 | |

150 | One-Dimensional Battle Ships | Codeforces | Codeforces Round #Pi (Div. 2) | 4 | |

151 | Case of Fugitive | Codeforces | Codeforces Round #310 (Div. 1) & Codeforces Round #310 (Div. 2) | 4 | |

152 | Vanya and Triangles | Codeforces | Codeforces Round #308 (Div. 2) | 4 | |

153 | Clique Problem | Codeforces | Codeforces Round #296 (Div. 2) & Codeforces Round #296 (Div. 1) | 4 | |

154 | Vanya and Computer Game | Codeforces | Codeforces Round #280 (Div. 2) | 4 | |

155 | Pashmak and Graph | Codeforces | Codeforces Round #261 (Div. 2) | 4 | |

156 | Devu and his Brother | Codeforces | Codeforces Round #251 (Div. 2) | 4 | |

157 | The Child and Zoo | Codeforces | Codeforces Round #250 (Div. 2) & Codeforces Round #250 (Div. 1) | 4 | |

158 | Sereja and Swaps | Codeforces | Codeforces Round #243 (Div. 1) & Codeforces Round #243 (Div. 2) | 4 | |

159 | Network Configuration | Codeforces | Coder-Strike 2014 - Round 1 | 4 | |

160 | Restore Graph | Codeforces | Codeforces Round #237 (Div. 2) | 4 | |

161 | Multitasking | Codeforces | Codeforces Round #225 (Div. 2) | 4 | |

162 | Semifinals | Codeforces | Codeforces Round #222 (Div. 2) | 4 | |

163 | Maximum Submatrix 2 | Codeforces | Codeforces Round #221 (Div. 1) & Codeforces Round #221 (Div. 2) | 4 | |

164 | Eight Point Sets | Codeforces | Codeforces Round #194 (Div. 2) | 4 | |

165 | Ksusha and Array | Codeforces | Croc Champ 2013 - Round 2 (Div. 2 Edition) | 4 | |

166 | Lorry | Codeforces | Codeforces Beta Round #3 | 4 | |

167 | Money Transfers | Codeforces | Codeforces Round #353 (Div. 2) | 4 | |

168 | Choosing Laptop | Codeforces | Codeforces Beta Round #82 (Div. 2) | 4 | |

169 | Office Keys | Codeforces | Codeforces Round #424 (Div. 1, rated, based on VK Cup Finals) & Codeforces Round #424 (Div. 2, rated, based on VK Cup Finals) | 4 | |

170 | XK Segments | Codeforces | Codeforces Round #448 (Div. 2) | 4 | |

171 | Young Table | Codeforces | Codeforces Round #147 (Div. 2) | 5 | |

172 | Olympiad | Codeforces | Codeforces Round #137 (Div. 2) | 5 | |

173 | Discounts | Codeforces | VK Cup 2012 Round 1 | 5 | |

174 | Queue | Codeforces | Codeforces Round #101 (Div. 2) | 5 | |

175 | New Year Contest | Codeforces | Codeforces Round #100 | 5 | |

176 | Fancy Number | Codeforces | Codeforces Beta Round #89 (Div. 2) | 5 | |

177 | Lawnmower | Codeforces | Codeforces Beta Round #87 (Div. 1 Only) & Codeforces Beta Round #87 (Div. 2 Only) | 5 | |

178 | Datatypes | Codeforces | Codeforces Beta Round #83 (Div. 2 Only) | 5 | |

179 | Help Chef Gerasim | Codeforces | Codeforces Beta Round #78 (Div. 2 Only) | 5 | |

180 | Colorful Field | Codeforces | Codeforces Beta Round #71 | 5 | |

181 | Cottage Village | Codeforces | Codeforces Beta Round #15 | 5 | |

182 | Sequence | Codeforces | Codeforces Beta Round #13 | 5 | |

183 | DIFFICULT INTERVIEW | SPOJ | 5 | ||

184 | Nested Segments | Codeforces | Educational Codeforces Round 10 | 5 | |

185 | Spy Syndrome 2 | Codeforces | Manthan, Codefest 16 | 5 | |

186 | The Union of k-Segments | Codeforces | Educational Codeforces Round 4 | 5 | |

187 | Nearest vectors | Codeforces | Educational Codeforces Round 1 | 5 | |

188 | Restaurant | Codeforces | Testing Round #12 | 5 | |

189 | Wilbur and Points | Codeforces | Codeforces Round #331 (Div. 2) | 5 | |

190 | Layer Cake | Codeforces | 2015-2016 ACM-ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred) | 5 | |

191 | Points on Plane | Codeforces | Codeforces Round #319 (Div. 1) & Codeforces Round #319 (Div. 2) | 5 | |

192 | Minimization | Codeforces | Codeforces Round #317 [AimFund Thanks-Round] (Div. 1) & Codeforces Round #317 [AimFund Thanks-Round] (Div. 2) | 5 | |

193 | A Simple Task | Codeforces | Codeforces Round #312 (Div. 2) | 5 | |

194 | Happy Line | Codeforces | Looksery Cup 2015 | 5 | |

195 | The Art of Dealing with ATM | Codeforces | VK Cup 2015 - Round 1 | 5 | |

196 | Pillars | Codeforces | Codeforces Round #271 (Div. 2) | 5 | |

197 | Ryouko's Memory Note | Codeforces | Codeforces Round #248 (Div. 2) & Codeforces Round #248 (Div. 1) | 5 | |

198 | Prime Swaps | Codeforces | Codeforces Round #246 (Div. 2) | 5 | |

199 | Points and Segments (easy) | Codeforces | Codeforces Round #245 (Div. 2) | 5 | |

200 | Fox and Card Game | Codeforces | Codeforces Round #228 (Div. 1) & Codeforces Round #228 (Div. 2) | 5 | |

201 | Preparing for the Contest | Codeforces | Codeforces Round #222 (Div. 1) & Codeforces Round #222 (Div. 2) | 5 | |

202 | Two Heaps | Codeforces | Codeforces Round #205 (Div. 2) | 5 | |

203 | Dima and Two Sequences | Codeforces | Codeforces Round #167 (Div. 2) & Codeforces Round #167 (Div. 1) | 5 | |

204 | Array Game | Live Archive | 2009 | Asia - Tehran | 5 |

205 | Cards Sorting | Codeforces | Codeforces Round #424 (Div. 1, rated, based on VK Cup Finals) & Codeforces Round #424 (Div. 2, rated, based on VK Cup Finals) | 5 | |

206 | Jury Meeting | Codeforces | Codeforces Round #433 (Div. 1, based on Olympiad of Metropolises) & Codeforces Round #433 (Div. 2, based on Olympiad of Metropolises) | 5 | |

207 | Hanoi Factory | Codeforces | Codeforces Round #401 (Div. 2) | 5 | |

208 | Cartons of milk | Codeforces | Codeforces Round #398 (Div. 2) | 5 | |

209 | Fedor and coupons | Codeforces | Codeforces Round #390 (Div. 2) | 5 | |

210 | pSort | Codeforces | Codeforces Beta Round #28 (Codeforces format) | 5 | |

211 | Hydra | Codeforces | Codeforces Round #150 (Div. 1) & Codeforces Round #150 (Div. 2) | 6 | |

212 | Reducing Fractions | Codeforces | Codeforces Round #137 (Div. 2) | 6 | |

213 | Trading Business | Codeforces | Croc Champ 2012 - Round 2 | 6 | |

214 | Bus | Codeforces | Croc Champ 2012 - Qualification Round | 6 | |

215 | Polygons | Codeforces | Codeforces Round #113 (Div. 2) | 6 | |

216 | Phone Talks | Codeforces | VK Cup 2012 Qualification Round 1 | 6 | |

217 | Double Profiles | Codeforces | Codeforces Round #109 (Div. 1) & Codeforces Round #109 (Div. 2) | 6 | |

218 | Yet Another Task with Queens | Codeforces | Codeforces Beta Round #95 (Div. 2) | 6 | |

219 | Time to Raid Cowavans | Codeforces | Codeforces Beta Round #80 (Div. 1 Only) & Codeforces Beta Round #80 (Div. 2 Only) | 6 | |

220 | Doctor | Codeforces | Codeforces Beta Round #72 (Div. 1 Only) & Codeforces Beta Round #72 (Div. 2 Only) | 6 | |

221 | Average Score | Codeforces | Yandex.Algorithm Open 2011 Qualification 1 | 6 | |

222 | Physical Education | Codeforces | Codeforces Beta Round #49 (Div. 2) | 6 | |

223 | Let's Go Rolling! | Codeforces | School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round #38 (ACM-ICPC Rules) | 6 | |

224 | Segments | Codeforces | Codeforces Beta Round #22 (Div. 2 Only) | 6 | |

225 | Stripe 2 | Codeforces | Codeforces Alpha Round #21 (Codeforces format) | 6 | |

226 | Polycarp and Hay | Codeforces | Codeforces Round #346 (Div. 2) | 6 | |

227 | Infinite Inversions | Codeforces | Codeforces Round #301 (Div. 2) | 6 | |

228 | A Heap of Heaps | Codeforces | Codeforces Round #300 | 6 | |

229 | Distributing Parts | Codeforces | Codeforces Round #283 (Div. 2) | 6 | |

230 | Cunning Gena | Codeforces | RCC 2014 Warmup (Div. 2) & RCC 2014 Warmup (Div. 1) | 6 | |

231 | Mittens | Codeforces | Codeforces Round #217 (Div. 2) | 6 | |

232 | Sereja and the Arrangement of Numbers | Codeforces | Codeforces Round #215 (Div. 1) & Codeforces Round #215 (Div. 2) | 6 | |

233 | Characteristics of Rectangles | Codeforces | Codeforces Round #194 (Div. 1) | 6 | |

234 | Oh Sweet Beaverette | Codeforces | ABBYY Cup 3.0 - Finals (online version) | 6 | |

235 | Unsorting Array | Codeforces | Codeforces Round #153 (Div. 2) | 6 | |

236 | Ada and Cucumber | SPOJ | 6 | ||

237 | Rooter's Song | Codeforces | Codeforces Round #431 (Div. 1) & Codeforces Round #431 (Div. 2) | 6 | |

238 | Sonya and Problem Wihtout a Legend | Codeforces | Codeforces Round #371 (Div. 1) & Codeforces Round #371 (Div. 2) | 6 | |

239 | Mike and distribution | Codeforces | Codeforces Round #410 (Div. 2) | 6 | |

240 | Blood Cousins Return | Codeforces | Codeforces Round #151 (Div. 2) | 7 | |

241 | Spider's Web | Codeforces | Codeforces Round #133 (Div. 2) | 7 | |

242 | Paint Tree | Codeforces | Codeforces Round #124 (Div. 1) & Codeforces Round #124 (Div. 2) | 7 | |

243 | Analyzing Polyline | Codeforces | Codeforces Round #123 (Div. 2) | 7 | |

244 | Counter Attack | Codeforces | Codeforces Round #120 (Div. 2) | 7 | |

245 | Geometry Horse | Codeforces | Codeforces Round #115 | 7 | |

246 | Edges in MST | Codeforces | Codeforces Round #111 (Div. 2) | 7 | |

247 | Zebra Tower | Codeforces | VK Cup 2012 Qualification Round 2 | 7 | |

248 | Mushroom Gnomes - 2 | Codeforces | Codeforces Beta Round #99 (Div. 1) & Codeforces Beta Round #99 (Div. 2) | 7 | |

249 | Minimum Sum | Codeforces | School Regional Team Contest, Saratov, 2011 | 7 | |

250 | Before Exam | Codeforces | Codeforces Beta Round #90 | 7 | |

251 | General Mobilization | Codeforces | Yandex.Algorithm 2011 Qualification 2 | 7 | |

252 | Gift | Codeforces | All-Ukrainian School Olympiad in Informatics | 7 | |

253 | Domino Principle | Codeforces | Codeforces Beta Round #52 (Div. 2) | 7 | |

254 | Knights | Codeforces | Codeforces Beta Round #33 (Codeforces format) | 7 | |

255 | Ball | Codeforces | Codeforces Beta Round #12 (Div 2 Only) | 7 | |

256 | Hostname Aliases | Codeforces | CROC 2016 - Qualification | 7 | |

257 | Bear and Contribution | Codeforces | VK Cup 2016 - Round 1 | 7 | |

258 | Guess Your Way Out! II | Codeforces | Codeforces Round #312 (Div. 2) | 7 | |

259 | Group Photo 2 (online mirror version) | Codeforces | VK Cup 2015 - Round 1 (unofficial online mirror, Div. 1 only) | 7 | |

260 | Bug in Code | Codeforces | Coder-Strike 2014 - Finals (online edition, Div. 2) & Coder-Strike 2014 - Finals (online edition, Div. 1) & Coder-Strike 2014 - Finals (online edition, Div. 2) & Coder-Strike 2014 - Finals (online edition, Div. 1) | 7 | |

261 | Students' Revenge | Codeforces | Codeforces Round #193 (Div. 2) | 7 | |

262 | Lovely Matrix | Codeforces | Codeforces Round #168 (Div. 1) | 7 | |

263 | Playlist | Codeforces | Codeforces Round #164 (Div. 2) | 7 | |

264 | Event Dates | Codeforces | School Team Contest #3 (Winter Computer School 2010/11) | 7 | |

265 | Bamboo Partition | Codeforces | Codeforces Round #424 (Div. 1, rated, based on VK Cup Finals) & Codeforces Round #424 (Div. 2, rated, based on VK Cup Finals) | 7 | |

266 | Printer | Codeforces | Codeforces Round #154 (Div. 2) | 8 | |

267 | Conveyor | Codeforces | VK Cup 2012 Round 2 | 8 | |

268 | Castle | Codeforces | Codeforces Beta Round #79 (Div. 1 Only) | 8 | |

269 | Beautiful Road | Codeforces | Codeforces Beta Round #73 (Div. 1 Only) | 8 | |

270 | Guard Towers | Codeforces | Yandex.Algorithm 2011 Round 1 | 8 | |

271 | Petya and Tree | Codeforces | Yandex.Algorithm 2011 Round 1 | 8 | |

272 | Need For Brake | Codeforces | Codeforces Beta Round #66 | 8 | |

273 | Lucky Tickets | Codeforces | Codeforces Beta Round #64 | 8 | |

274 | Parade | Codeforces | Codeforces Beta Round #35 (Div. 2) | 8 | |

275 | Oranges and Apples | Codeforces | Codeforces Beta Round #23 | 8 | |

276 | Kingdom and its Cities | Codeforces | Codeforces Round #339 (Div. 1) | 8 | |

277 | Wilbur and Trees | Codeforces | Codeforces Round #331 (Div. 2) | 8 | |

278 | Place Your Ad Here | Codeforces | VK Cup 2015 - Round 3 (unofficial online mirror, Div. 1 only) | 8 | |

279 | Volcanoes | Codeforces | Codeforces Round #225 (Div. 1) & Codeforces Round #225 (Div. 2) | 8 | |

280 | Summer Earnings | Codeforces | Codeforces Round #194 (Div. 1) | 8 | |

281 | Sereja and Straight Lines | Codeforces | Codeforces Round #187 (Div. 1) | 8 | |

282 | Lucky Sorting | Codeforces | Codeforces Beta Round #84 (Div. 1 Only) | 8 | |

283 | Dividing Kingdom II | Codeforces | Codeforces Round #360 (Div. 1) | 8 | |

284 | Gosha is hunting | Codeforces | Codeforces Round #381 (Div. 1) | 8 | |

285 | Donkey and Stars | Codeforces | Codeforces Round #152 (Div. 1) | 9 | |

286 | Transportation | Codeforces | Codeforces Round #128 (Div. 2) | 9 | |

287 | Camping Groups | Codeforces | Croc Champ 2012 - Round 1 | 9 | |

288 | Shoe Store | Codeforces | Codeforces Round #113 (Div. 2) | 9 | |

289 | Buses and People | Codeforces | Codeforces Round #111 (Div. 2) | 9 | |

290 | New Year Snowflake | Codeforces | Codeforces Round #100 | 9 | |

291 | Item World | Codeforces | Codeforces Beta Round #81 | 9 | |

292 | Inquisition | Codeforces | Codeforces Beta Round #58 | 9 | |

293 | Cannon | Codeforces | Codeforces Beta Round #44 (Div. 2) | 9 | |

294 | Moon Craters | Codeforces | School Team Contest #1 (Winter Computer School 2010/11) | 9 | |

295 | Map | Codeforces | Codeforces Beta Round #15 | 9 | |

296 | Bear and Paradox | Codeforces | VK Cup 2016 - Round 1 | 9 | |

297 | Gerald and Path | Codeforces | Codeforces Round #313 (Div. 1) | 9 | |

298 | Roland and Rose | Codeforces | Codeforces Round #262 (Div. 2) | 9 | |

299 | New Year Tree Decorations | Codeforces | Good Bye 2013 | 9 | |

300 | Optimizer | Codeforces | Testing Round #6 | 9 | |

301 | Tourists | Codeforces | Codeforces Round #176 (Div. 1) | 9 | |

302 | Gripping Story | Codeforces | Codeforces Round #125 (Div. 1) | 9 | |

303 | Representative Sampling | Codeforces | ABBYY Cup 2.0 - Hard | 9 | |

304 | Mike and code of a permutation | Codeforces | Codeforces Round #410 (Div. 2) | 9 | |

305 | MultiSort | SPOJ | 9 | ||

306 | Array sorting | Codeforces | Unknown Language Round #4 | 10 | |

307 | Sort the Table | Codeforces | Unknown Language Round #1 | 10 | |

308 | Table Bowling | Codeforces | Unknown Language Round #1 | 10 | |

309 | Snow sellers | Codeforces | School Personal Contest #3 (Winter Computer School 2010/11) - Codeforces Beta Round #45 (ACM-ICPC Rules) | 10 | |

310 | Berserk Robot | Codeforces | Codeforces Round #300 | 10 | |

311 | Triangles 3000 | Codeforces | Codeforces Round #296 (Div. 1) | 10 | |

312 | Wavy numbers | Codeforces | Codeforces Round #273 (Div. 2) | 10 | |

313 | Furukawa Nagisa's Tree | Codeforces | Codeforces Round #248 (Div. 1) | 10 | |

314 | Looking for Owls | Codeforces | Codeforces Round #203 (Div. 2) | 10 | |

315 | Selling Numbers | Codeforces | Codeforces Round #402 (Div. 1) | 10 | |

316 | Caramel Clouds | Codeforces | Codeforces Round #426 (Div. 1) | 10 |