题目描述Bruce Force's keyboard is broken, only a few keys are still working. Bruce has figured out he can still type texts by switching the keyboard layou...
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其他好文 时间：
2014-06-14 21:00:09
阅读次数：
444
题目描述Dominos are lots of fun. Children like to stand
the tiles on their side in long lines. When one domino falls, it knocks down the
next one, which k...
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其他好文 时间：
2014-06-13 08:09:51
阅读次数：
318
题目描述In the Game Red Alert, a group of soviet
infantry marches towards our base. And we have N Prism Tanks to defend our base.
Suppose the coming infan...
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其他好文 时间：
2014-06-11 07:18:54
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285
题目描述Dominos are lots of fun. Children like to stand
the tiles on their side in long lines. When one domino falls, it knocks down the
next one, which k...
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其他好文 时间：
2014-06-10 12:08:55
阅读次数：
232
题目描述Timy is visiting a beautiful park. There are M
rivers and N lakes(marked 1-N), any two lakes are connected by at most one
river. He knows that the...
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其他好文 时间：
2014-06-09 20:57:26
阅读次数：
259
MultipleTime Limit:2 SecMemory Limit:64
MBSubmissions:197Solved:35DescriptionRocket323loves math very much. One
day,Rocket323got a number string. He c...
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其他好文 时间：
2014-06-07 04:33:31
阅读次数：
250
题目描述On the planet Zoop, numbers are represented in
base 62, using the digits 0, 1, . . . , 9, A, B, . . . , Z, a, b, . . . , z
where A (base 62) = 10 ...
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其他好文 时间：
2014-06-03 12:32:55
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267
1605 - Gene recombinationTime Limit:2sMemory
Limit:64MBSubmissions: 264 Solved: 46DESCRIPTIONAs a gene engineer of a gene
engineering project, Enigma ...
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其他好文 时间：
2014-05-30 04:43:34
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246
1017 - Exact cover时间限制：15秒内存限制：128兆自定评测5584 次提交
2975 次通过题目描述There is an N*M matrix with only 0s and 1s, (1 8 #include 9 #include
10 #include 11 ...
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其他好文 时间：
2014-05-26 16:48:48
阅读次数：
406
题目描述If the difference between any two adjancent
elements in a sequence is not more than K, then we call this sequence is a
K-diff sequence. A subseque...
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其他好文 时间：
2014-05-24 09:39:27
阅读次数：
340
