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Painting some colored segments on a line, some previously painted segments may be covered by some the subsequent ones. Your task is counting the segme 阅读全文
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约瑟夫环问题，只不过每次删除一个后，在移m的倍数。 简单介绍一下约瑟夫问题 http://www.51nod.com/onlineJudge/questionCode.html#!problemId=1073 阅读全文
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贪心算法。 阅读全文
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题目总结来说求一段序列，必须正负交替，且绝对值递增 阅读全文
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Mayor's posters Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 65141 Accepted: 18824 Description The citizens of Bytetown, AB, could not s 阅读全文
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A Simple Problem with Integers Time Limit: 5000MS Memory Limit: 131072K Total Submissions: 110999 Accepted: 34570 Case Time Limit: 2000MS Description 阅读全文
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Description Jaap, Jan, and Thijs are on a trip to the desert after having attended the ACM ICPC World Finals 2015 in Morocco. The trip included a came 阅读全文
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BST Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 10198 Accepted: 6216 Description Consider an infinite full binary search tree (see the 阅读全文
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MooFest Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 7861 Accepted: 3552 Description Every year, Farmer John's N (1 <= N <= 20,000) cows 阅读全文
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B. Crossword solving time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output B. Crossword solving 阅读全文