08 2016 档案
摘要:Description RSA is one of the most powerful methods to encrypt data. The RSA algorithm is described as follow: > choose two large prime integer p, q >
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摘要:Description One day, Alice and Bob felt bored again, Bob knows Alice is a girl who loves math and is just learning something about matrix, so he decid
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摘要:Description Given a n × n matrix A and a positive integer k, find the sum S = A + A2 + A3 + … + Ak. Description Given a n × n matrix A and a positive
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摘要:Description The sequence of n − 1 consecutive composite numbers (positive integers that are not prime and not equal to 1) lying between two successive
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摘要:Description 经过锦囊相助,海东集团终于度过了危机,从此,HDU的发展就一直顺风顺水,到了2050年,集团已经相当规模了,据说进入了钱江肉丝经济开发区500强。这时候,XHD夫妇也退居了二线,并在风景秀美的诸暨市浬浦镇陶姚村买了个房子,开始安度晚年了。 这样住了一段时间,徐总对当地的交通还
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摘要:Description One day , Kiki wants to visit one of her friends. As she is liable to carsickness , she wants to arrive at her friend’s home as soon as po
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摘要:Description To improve the organization of his farm, Farmer John labels each of his N (1 <= N <= 5,000) cows with a distinct serial number in the rang
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摘要:Description 动物王国中有三类动物A,B,C,这三类动物的食物链构成了有趣的环形。A吃B, B吃C,C吃A。 现有N个动物,以1-N编号。每个动物都是A,B,C中的一种,但是我们并不知道它到底是哪一种。 有人用两种说法对这N个动物所构成的食物链关系进行描述: 第一种说法是"1 X Y",表
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摘要:Description XX星有许多城市,城市之间通过一种奇怪的高速公路SARS(Super Air Roam Structure 超级空中漫游结构)进行交流,每条SARS都对行驶在上面的Flycar限制了固定的Speed,同时XX星人对 Flycar的“舒适度”有特殊要求,即乘坐过程中最高速度与最
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