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Battle shipsProblem DescriptionDear contestant, now you are an excellent navy commander, who is responsible of a tough mission currently.Your fleet un... 阅读全文
posted @ 2014-11-04 02:20
Enumz
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Revenge of Nim IIProblem DescriptionNim is a mathematical game of strategy in which two players take turns removing objects from distinct heaps. On ea... 阅读全文
posted @ 2014-11-03 23:32
Enumz
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Comparison of Android versionsProblem DescriptionAs an Android developer, itˇs really not easy to figure out a newer version of two kernels, because A... 阅读全文
posted @ 2014-11-03 17:08
Enumz
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Game with PearlsProblem DescriptionTom and Jerry are playing a game with tubes and pearls. The rule of the game is:1) Tom and Jerry come up together w... 阅读全文
posted @ 2014-11-03 17:00
Enumz
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算法总结之矩阵入门定义 矩阵： 矩阵是矩形的数组，例如 矩阵的转置： 交换矩阵A的行和列获得的矩阵是矩阵A的转置AT，例如 对称矩阵： A=AT 单位矩阵： 对角线元素均为1的n*n的矩阵为n*... 阅读全文
posted @ 2014-11-03 14:17
Enumz
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Revenge of LIS IIProblem DescriptionIn computer science, the longest increasing subsequence problem is to find a subsequence of a given sequence in wh... 阅读全文
posted @ 2014-11-02 11:30
Enumz
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Revenge of Segment TreeProblem DescriptionIn computer science, a segment tree is a tree data structure for storing intervals, or segments. It allows q... 阅读全文
posted @ 2014-11-02 11:22
Enumz
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Curling 2.0DescriptionOn Planet MM-21, after their Olympic games this year, curling is getting popular. But the rules are somewhat different from ours... 阅读全文
posted @ 2014-10-30 20:24
Enumz
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Strange Way to Express IntegersDescriptionElina is reading a book written by Rujia Liu, which introduces a strange way to express non-negative integer... 阅读全文
posted @ 2014-10-30 19:33
Enumz
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算法总结之求解模线性方程组1）求解模线性方程 ax = b(mod n) 方程ax = b(mod n) -> ax = b + ny ->ax - ny = b -> ax + n (-y) =b 其中a,n,b已知。 可用扩展欧几里得来求解该方程的一组特解。 这里给出下列几个定理用来求解方... 阅读全文
posted @ 2014-10-30 19:15
Enumz
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