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Given an n ∗ m chessboard with some marked squares, your task isto place as few queens as possible to guard (attack or occupy) allmarked squares. Belo... 阅读全文
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出处：http://blog.csdn.net/joylnwang/article/details/6778316KMP算法，是由Knuth，Morris，Pratt共同提出的模式匹配算法，其对于任何模式和目标序列，都可以在线性时间内完成匹配查找，而不会发生退化，是一个非常优秀的模式匹配算法。但是相... 阅读全文
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Problem Description都说天上不会掉馅饼，但有一天gameboy正走在回家的小径上，忽然天上掉下大把大把的馅饼。说来gameboy的人品实在是太好了，这馅饼别处都不掉，就掉落在他身旁的10米范围内。馅饼如果掉在了地上当然就不能吃了，所以gameboy马上卸下身上的背包去接。但由于小径... 阅读全文
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网址转载链接： http://bbs.chinaunix.net/thread-4094539-1-1.html动态规划：从新手到专家Hawstein翻译前言我们遇到的问题中，有很大一部分可以用动态规划(简称DP)来解。 解决这类问题可以很大地提升你的能力与技巧，我会试着帮助你理解如何使用DP来解题... 阅读全文
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Problem DescriptionTom and Jerry are playing a game with tubes and pearls. The rule of the game is:1) Tom and Jerry come up together with a number K.2... 阅读全文
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DescriptionBackground Mr Somurolov, fabulous chess-gamer indeed, asserts that no one else but him can move knights from one position to another so fas... 阅读全文
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Yet another Number SequenceLet’s define another number sequence, given by the following function:f(0) = af(1) = bf(n) = f(n − 1) + f(n − 2), n > 1When... 阅读全文
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Contemplation! AlgebraGiven the value of a+b and ab you will have to find the value of an + bnInputThe input file contains several lines of inpu... 阅读全文
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poj 2488 A Knight's JourneyDescriptionBackground The knight is getting bored of seeing the same black and white squares again and again and has decide... 阅读全文
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poj 1129 Channel AllocationDescriptionWhen a radio station is broadcasting over a very large area, repeaters are used to retransmit the sign... 阅读全文