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Problems

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  ID Title Submit Solved
  2100 Words Group 88 37
  2101 Job Scheduling 252 68
  2102 Wappo 58 12
  2103 How many ways 134 20
  2104 A Great Challenge 64 31
  2105 Deduction 136 36
  2106 GCD & LCM Inverse 1495 336
  2107 Identify Number 104 52
  2108 Simple Problem 433 93
  2109 Sort and Merge 1032 517
  2110 Turn Over Turn Over 134 37
  2111 littleken bg 1846 635
  2112 乒乓球 1293 317
  2113 数字游戏 233 93
  2114 676 351
  2115 麦森数 276 96
  2116 神经网络 135 18
  2117 加分二叉树 225 35
  2118 传染病控制 33 13
  2119 Matrix 74 43
  2120 Triangle 102 42
  2121 Calendar 178 76
  2122 Recaman's Sequence 544 246
  2123 Terrible Sets 12 11
  2124 Fractal 109 65
  2125 Game of Connections 94 52
  2126 Inversion 56 31
  2127 Polly Wanna Cracker 19 2
  2128 Rotate And Cut 102 24
  2129 Sequence 311 103
  2130 Magic-Kingdom 66 4
  2131 Voice Commands 21 7
  2132 Magic Pig 103 32
  2133 XuanXuan's Sticks 98 30
  2134 addition and subtraction 36 13
  2135 Friendly Pair 242 75
  2136 Apple 86 47
  2137 Brownie Points I 88 62
  2138 Magic Bitstrings 44 25
  2139 Cutting a polygon 84 19
  2140 Bungee Jumping 167 78
  2141 Brownie Points II 15 8
  2142 Cow Exhibition 421 186
  2143 Popular Cows 90 37
  2144 Cow Laundry 24 18
  2145 Romeo Meets Juliet 15 10
  2146 ISBN 768 281
  2147 Cow Math 14 8
  2148 Cow Imposters 22 10
  2149 Farm Tour 44 24
  2150 Vertical Histogram 383 114
  2151 Cowties 24 17
  2152 Travel Games 102 24
  2153 Best Cow Fences 70 25
  2154 Cornfields 82 19
  2155 Six Degrees of Cowvin Bacon 80 14
  2156 交点 207 20
  2157 Message Decowding 415 210
  2158 Mountain Walking 40 17
  2159 Millenium Leapcow 14 10
  2160 Optimal Milking 171 56
  2161 Bale Figures 4 2
  2162 Jumping Cows 62 38
  2163 Lost Cows 102 64
  2164 Bovine Math Geniuses 10 8
  2165 Stamps 721 384
  2166 A Knight's Journey 255 109
  2167 Line Segments 24 5
  2168 Pimp My Ride 29 16
  2169 Scavenger Hunt 231 122
  2170 A Bug's Life 232 72
  2171 Rdeaalbe 39 12
  2172 Acid Text 22 3
  2173 Incomplete chess boards 98 75
  2174 Gladiators 12 4
  2175 Who's the boss? 239 51
  2176 Subway tree systems 62 9
  2177 Prison rearrangement 34 15
  2178 Sightseeing tour 71 27
  2179 A number game 398 24
  2180 Military Recruit 30 20
  2181 Strategies 76 57
  2182 StuPId 534 276
  2183 Binary Tree 245 153
  2184 Pia's Party 11 4
  2185 Average Speed 221 83
  2186 Subway 31 20
  2187 Bounding box 12 10
  2188 A multiplication game 357 156
  2189 Reflections 9 7
  2190 Treasure Hunt 36 17
  2191 Farey Sequence 376 141
  2192 Maximum sum 545 178
  2193 Longge's problem 269 72
  2194 Cows 104 41
  2195 Stars in Your Window 64 22
  2196 Greatest Common Subtree 25 4
  2197 A Funny Game 216 139
  2198 Highways 358 189
  2199 Apple Tree 79 34