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http://blog.csdn.net/zxy_snow/article/details/6339621先保存，搞懂了再来写 阅读全文
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传送门：Tempter of the Bone 大意是给一个矩阵，叫你是否可以在给定的可走路径上不重复地走，在最后一秒走到终点。我用了两个剪枝... 阅读全文
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传送门题目大意：从末位到首位输出所在位置的值是1的位置。可以用除----> num>>1 或减---->-（n^(-n))#include#inc... 阅读全文
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zoj1871题目大意：给你一段长度，起始和末尾一步只能是一个单位长度，每一步和前一步长度差不超过一，问恰好走到终点的最小步... 阅读全文
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传送门题目大意，对n， 求n^n的最左边一位数的大小；如 f（3）=27，an... 阅读全文
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2^x mod n = 1Time Limit: 2 Seconds Memory Limit:65536 KBGive a number n, find the minimum x that satisfies 2^x mod n = 1.InputOne positive intege... 阅读全文
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Binomial ShowdownTime Limit: 2 Seconds Memory Limit:65536 KB In how many ways can you choose k elements out of n elements, not taking order into ... 阅读全文
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Root of the ProblemTime Limit: 2 Seconds Memory Limit:65536 KB Given positive integers B and N, find an integer A such that AN is as close as pos... 阅读全文
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Longest Ordered SubsequenceTime Limit: 2 Seconds Memory Limit:65536 KB A numeric sequence of ai is ordered if a1 #include#include#includeusing na... 阅读全文
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Climbing WormTime Limit: 2 Seconds Memory Limit:65536 KBAn inch worm is at the bottom of a well n inches deep. It has enough energy to climb u in... 阅读全文