09 2016 档案
摘要：Description Yaaaay, Haven't you heard the news? Bakaloria results are out! And Reem had very good grades. Finally she can go to IT college and pursue
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摘要：Description Tamer is traveling with his brother on a long highway. He sees a traffic light at a distance. He calculated that it will take him x second
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摘要：Description Vasya takes part in the orienteering competition. There are n checkpoints located along the line at coordinates x1, x2, ..., xn. Vasya sta
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摘要：Description Kolya is going to make fresh orange juice. He has n oranges of sizes a1, a2, ..., an. Kolya will put them in the juicer in the fixed order
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摘要：描述 Institute of Computational Linguistics (ICL), Peking University is an interdisciplinary institute of science and liberal arts, it focuses primarily
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摘要：描述 The history of Peking University Library is as long as the history of Peking University. It was build in 1898. At the end of year 2015, it had abou
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摘要：Description Anatoly lives in the university dorm as many other students do. As you know, cockroaches are also living there together with students. Coc
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摘要：Description Every summer Vitya comes to visit his grandmother in the countryside. This summer, he got a huge wart. Every grandma knows that one should
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摘要：Description ZS the Coder is playing a game. There is a number displayed on the screen and there are two buttons, ' + ' (plus) and '' (square root). In
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摘要：Description ZS the Coder loves to read the dictionary. He thinks that a word is nice if there exists a substring (contiguous segment of letters) of it
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摘要：Description ZS the Coder is coding on a crazy computer. If you don't type in a word for a c consecutive seconds, everything you typed disappear! More
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摘要：链接：http://acm.hdu.edu.cn/showproblem.php?pid=5889 解法：http://blog.csdn.net/u013532224/article/details/46992973 然后改改模版
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摘要：链接：http://acm.hdu.edu.cn/showproblem.php?pid=5883 解法：先判断是不是欧拉路，然后枚举
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摘要：链接：http://acm.hdu.edu.cn/showproblem.php?pid=5882 解法：一个点必须出度和入度相同就满足题意，所以加上本身就是判断奇偶性
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摘要：链接：http://acm.hdu.edu.cn/showproblem.php?pid=5879 解法：我们知道到某个极限之后结果相同，所以找到那个极限，其他保存之后输出就好了
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摘要：链接：http://acm.hdu.edu.cn/showproblem.php?pid=5878 解法：先保存，再二分查询~具体http://blog.csdn.net/coder_xia/article/details/6707600
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摘要：Description Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x,
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摘要：Description Memory is performing a walk on the two-dimensional plane, starting at the origin. He is given a string s with his directions for motion: A
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摘要：Description There are n integers b1, b2, ..., bn written in a row. For all i from 1 to n, values ai are defined by the crows performing the following
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摘要：In this problem you are to calculate the sum of all integers from 1 to n, but you should take all powers of two with minus in the sum. For example, fo
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摘要：Description Alex doesn't like boredom. That's why whenever he gets bored, he comes up with games. One long winter evening he came up with a game and d
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摘要：Description Fedya studies in a gymnasium. Fedya's maths hometask is to calculate the following expression: (1n + 2n + 3n + 4n) mod 5 for given value o
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摘要：Description One day Dima and Alex had an argument about the price and quality of laptops. Dima thinks that the more expensive a laptop is, the better
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