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题目连接http://acm.hdu.edu.cn/showproblem.php?pid=4715Difference Between PrimesDescriptionAll you know Goldbach conjecture.That is to say, Every even inte... 阅读全文
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题目连接http://acm.hdu.edu.cn/showproblem.php?pid=4707PetDescriptionOne day, Lin Ji wake up in the morning and found that his pethamster escaped. He searc... 阅读全文
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题目连接http://acm.hdu.edu.cn/showproblem.php?pid=4593RobotDescriptionA robot is a mechanical or virtual artificial agent, usually an electro-mechanical m... 阅读全文
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题目连接http://acm.hdu.edu.cn/showproblem.php?pid=4334TroubleDescriptionHassan is in trouble. His mathematics teacher has given him a very difficult probl... 阅读全文
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题目连接http://acm.hdu.edu.cn/showproblem.php?pid=4324Triangle LOVEDescriptionRecently, scientists find that there is love between any of two people. For ... 阅读全文
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题目连接http://acm.hdu.edu.cn/showproblem.php?pid=4255A Famous GridDescriptionMr. B has recently discovered the grid named "spiral grid".Construct the gri... 阅读全文
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题目连接http://acm.hdu.edu.cn/showproblem.php?pid=3549Flow ProblemDescriptionNetwork flow is a well-known difficult problem for ACMers. Given a graph, you... 阅读全文
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题目连接http://acm.hdu.edu.cn/showproblem.php?pid=3371Connect the CitiesDescriptionIn 2100, since the sea level rise, most of the cities disappear. Though... 阅读全文
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题目连接http://acm.hdu.edu.cn/showproblem.php?pid=2846RepositoryDescriptionWhen you go shopping, you can search in repository for avalible merchandises by... 阅读全文
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题目连接http://acm.hdu.edu.cn/showproblem.php?pid=2120Ice_cream's world IDescriptionice_cream's world is a rich country, it has many fertile lands. Today,... 阅读全文
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题目连接http://acm.hdu.edu.cn/showproblem.php?pid=2095hdu 2095 find your present (2)DescriptionIn the new year party, everybody will get a "special presen... 阅读全文
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题目连接http://acm.hdu.edu.cn/showproblem.php?pid=2035人见人爱A^BDescription求A^B的最后三位数表示的整数。说明：A^B的含义是“A的B次方”Input输入数据包含多个测试实例，每个实例占一行，由两个正整数A和B组成（1#include#i... 阅读全文
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题目连接http://acm.hdu.edu.cn/showproblem.php?pid=2034人见人爱A-BDescription参加过上个月月赛的同学一定还记得其中的一个最简单的题目，就是{A}+{B}，那个题目求的是两个集合的并集，今天我们这个A-B求的是两个集合的差，就是做集合的减法运算... 阅读全文
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题目连接http://acm.hdu.edu.cn/showproblem.php?pid=1575Tr ADescriptionA为一个方阵，则Tr A表示A的迹（就是主对角线上各项的和），现要求Tr(A^k)%9973。Input数据的第一行是一个T，表示有T组数据。每组数据的第一行有n(2 #... 阅读全文
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题目连接http://acm.hdu.edu.cn/showproblem.php?pid=1496EquationsDescriptionConsider equations having the following form:a*x1^2+b*x2^2+c*x3^2+d*x4^2=0a, b, ... 阅读全文
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题目连接http://acm.hdu.edu.cn/showproblem.php?pid=1162Eddy's pictureDescriptionEddy begins to like painting pictures recently ,he is sure of himself to be... 阅读全文
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题目连接http://acm.hdu.edu.cn/showproblem.php?pid=1102Constructing RoadsDescriptionThere are N villages, which are numbered from 1 to N, and you should bu... 阅读全文
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题目连接http://acm.hdu.edu.cn/showproblem.php?pid=1061Rightmost DigitDescriptionGiven a positive integer N, you should output the most right digit of N^N.... 阅读全文
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题目连接http://www.lydsy.com/JudgeOnline/problem.php?id=1054移动玩具Description在一个4*4的方框内摆放了若干个相同的玩具，某人想将这些玩具重新摆放成为他心中理想的状态，规定移动时只能将玩具向上下左右四个方向移动，并且移动的位置不能有玩具... 阅读全文
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题目连接http://acm.hdu.edu.cn/showproblem.php?pid=1005Number SequenceDescriptionA number sequence is defined as follows:f(1) = 1, f(2) = 1, f(n) = (A * f(... 阅读全文