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poj 2406 Given two strings a and b we define a*b to be their concatenation. For example, if a = "abc" and b = "def" then a*b = "abcdef". If we think o 阅读全文
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A. Sorting Railway Cars time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output An infinitely lo 阅读全文
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When we are focusing on solving problems, we usually prefer to stay in front of computers rather than go out for lunch. At this time, we may call for 阅读全文
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poj 2342 Anniversary party Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 9480 Accepted: 5454 Description There is going to be a party to 阅读全文