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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 1473 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 1844 634
  2112 乒乓球 1291 317
  2113 数字游戏 232 92
  2114 676 351
  2115 麦森数 273 96
  2116 神经网络 135 18
  2117 加分二叉树 200 35
  2118 传染病控制 28 13
  2119 Matrix 74 43
  2120 Triangle 102 42
  2121 Calendar 178 76
  2122 Recaman's Sequence 544 246
  2123 Terrible Sets 11 10
  2124 Fractal 109 65
  2125 Game of Connections 94 52
  2126 Inversion 55 30
  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 87 61
  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 410 185
  2143 Popular Cows 88 37
  2144 Cow Laundry 23 17
  2145 Romeo Meets Juliet 14 9
  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 23 16
  2152 Travel Games 91 23
  2153 Best Cow Fences 58 24
  2154 Cornfields 71 19
  2155 Six Degrees of Cowvin Bacon 69 14
  2156 交点 207 20
  2157 Message Decowding 415 210
  2158 Mountain Walking 37 16
  2159 Millenium Leapcow 13 10
  2160 Optimal Milking 159 55
  2161 Bale Figures 4 2
  2162 Jumping Cows 61 37
  2163 Lost Cows 96 64
  2164 Bovine Math Geniuses 10 8
  2165 Stamps 721 384
  2166 A Knight's Journey 249 109
  2167 Line Segments 24 5
  2168 Pimp My Ride 29 16
  2169 Scavenger Hunt 231 122
  2170 A Bug's Life 227 70
  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 244 152
  2184 Pia's Party 11 4
  2185 Average Speed 220 82
  2186 Subway 30 20
  2187 Bounding box 12 10
  2188 A multiplication game 290 150
  2189 Reflections 9 7
  2190 Treasure Hunt 36 17
  2191 Farey Sequence 376 141
  2192 Maximum sum 545 178
  2193 Longge's problem 259 70
  2194 Cows 92 39
  2195 Stars in Your Window 64 22
  2196 Greatest Common Subtree 25 4
  2197 A Funny Game 214 139
  2198 Highways 357 188
  2199 Apple Tree 79 34