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Problems

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  ID Title Submit Solved
  4300 SlimeXSlimeRancher 5 2
  4301 RockPaperScissors 1 1
  4302 LetMeTellYouaStory 1 1
  4303 ObservationWheel 3 1
  4304 InterestingRanges 1 1
  4305 DescendingInTheDark 1 1
  4306 Difference 259 45
  4307 Increasing 58 29
  4308 Xor 59 26
  4309 Sum of xor 129 55
  4310 Sum of product 121 35
  4311 Sum of LCM 56 13
  4312 How many primes? 144 34
  4313 Tree 74 31
  4314 Graph 148 47
  4315 Sequence 43 15
  4316 How many colorings? 93 25
  4317 How many rooks? 35 18
  4318 Cow Tours 4 3
  4319 Another Crisis 3 3
  4320 File Recover 32 10
  4321 Hooligan 20 6
  4322 Jingle Composing 36 24
  4323 RadarSabotage 4 4
  4324 The Card Line 15 9
  4325 RemoveGame 1 1
  4326 GoogleRoyale 1 1
  4327 Tree Lighting 1 1
  4328 Coin Collecting 1 1
  4329 Compressed Words? 79 12
  4330 Java vs. Scheme Smackdown 66 12
  4331 Time Travel 49 10
  4332 Matryoshka Dolls 12 4
  4333 False Sense of Security 29 20
  4334 Frozen Rose-Heads 46 12
  4335 Fractional Lotion 62 23
  4336 Egypt 108 73
  4337 Buzzwords 72 13
  4338 Ferry Loading V 24 0
  4339 Driving Range 41 19
  4340 Frosh Week 196 34
  4341 Bridges and Tunnels 82 23
  4342 Secret Polynomial 5 1
  4343 Room Painting 132 36
  4344 Course Scheduling 61 18
  4345 Tetrahedron Inequality 62 3
  4346 grasshop 73 31
  4347 mosquito 50 37
  4348 ladybug 10 2
  4349 Collatz Conjecture 136 19
  4350 encipher 53 23
  4351 k-th number pair 220 46
  4352 shopping 54 9
  4354 s13a_pan's birthday gift 124 22
  4355 数数 108 29
  4356 进击的巨人 71 20
  4357 An Interesting Problem 64 8
  4358 Misaka Mikoto’s game 25 14
  4359 Rigid Teacher 84 34
  4360 Play donimos 29 10
  4362 Please call me welfare 80 42
  4363 A man from the Stars 489 53
  4364 Best Jiyou 128 29
  4365 Coordinate 15 0
  4366 Don't touch the wall 59 26
  4367 Eclipse 191 129
  4368 Frog's problem 232 55
  4369 GFS 294 19
  4370 Huangshenno1's test 164 52
  4371 Interesting matrix 162 18
  4372 Joyful team 237 78
  4373 K-th power 74 7
  4374 Lazy boy 424 83
  4375 ACfun 108 37
  4376 Equal Divide 30 16
  4377 Flood Fill 63 22
  4378 Make it Better 47 41
  4379 Map Reduce 67 8
  4380 Hanoi 13 7
  4381 Tiling 62 35
  4382 Number Game 21 14
  4383 Range Sum Query 0 0
  4384 Xor Zero 2 2
  4385 Cactus II 2 1
  4386 Discrete Logarithm 13 2
  4387 Set Size 0 0
  4388 Haskell 0 0
  4389 川大贴吧水王 186 64
  4390 一教A的电梯 71 23
  4391 御坂美琴和她的妹妹们 38 15
  4392 御坂美琴与麦野沉利的战斗 90 15
  4393 LaoB's problem1 71 22
  4394 LaoB's problem2 57 24
  4395 御板美琴和她的妹妹们2 24 8
  4396 麦野沉利与御坂美琴的战斗 86 42
  4397 特殊回文数 75 36
  4398 字母图形 203 65
  4399 Anagrams问题 210 48