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Crossing River Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 11814 Accepted: 4476 Description A group of N people wishes to go across a r 阅读全文
posted @ 2015-07-16 21:55
江南何采莲
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Throwing cards away I Given is an ordered deck of n cards numbered 1 to n with card 1 at the top and card n at the bottom. The following operation is& 阅读全文
posted @ 2015-07-16 21:36
江南何采莲
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A Ducci sequence is a sequence of n-tuples of integers. Given an n-tuple of integers (a1, a2, ... , an), the next n-tuple in the sequence is formed by 阅读全文
posted @ 2015-07-16 21:20
江南何采莲
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