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题目链接： http://poj.org/problem?id=3061 Description A sequence of N positive integers (10 < N < 100 000), each of them less than or equal 10000, and a po 阅读全文
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题目链接： http://codeforces.com/problemset/problem/670/A Description On the planet Mars a year lasts exactly n days (there are no leap years on Mars). But 阅读全文
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Description You are in a cave, a long cave! The cave can be represented by a 1 x N grid. Each cell of the cave can contain any amount of gold. Initial 阅读全文
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题目链接： http://acm.split.hdu.edu.cn/showproblem.php?pid=1702 Problem Description ACboy was kidnapped!! he miss his mother very much and is very scare no 阅读全文
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Description As the new term comes, the Ignatius Train Station is very busy nowadays. A lot of student want to get back to school by train(because the 阅读全文
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Description Nim is a mathematical game of strategy in which two players take turns removing objects from distinct heaps. On each turn, a player must r 阅读全文
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Description Today is Gorwin’s birthday. So her mother want to realize her a wish. Gorwin says that she wants to eat many cakes. Thus, her mother takes 阅读全文
