随笔分类 - 数学
摘要：Xtreme9.0 Light Gremlins 题目连接： https://www.hackerrank.com/contests/ieeextreme challenges/challenges/light gremlins Description There are a group of gr
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摘要：C. Ray Tracing 题目连接： http://codeforces.com/contest/724/problem/C Description oThere are k sensors located in the rectangular room of size n × m meters
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摘要：A. Plus and Square Root 题目连接： http://codeforces.com/contest/715/problem/A Description ZS the Coder is playing a game. There is a number displayed on t
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摘要：4706: B君的多边形 题目连接： http://www.lydsy.com/JudgeOnline/problem.php?id=4706 Description 有一个正n多边形，我们要连接一些对角线，把这个多边形分成若干个区域。要求连接的对角线不能相交，每个点 可以连出也可以不连出对角线。（
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摘要：Tree Cutting 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5909 Description Byteasar has a tree T with n vertices conveniently labeled with 1,2,...,
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摘要：Count primes 题目连接： http://acm.split.hdu.edu.cn/showproblem.php?pid=5901 Description Easy question! Calculate how many primes between [1...n]! Input Ea
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摘要：E. Devu and Flowers 题目连接： http://codeforces.com/contest/451/problem/E Description Devu wants to decorate his garden with flowers. He has purchased n b
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摘要：E. ZS and The Birthday Paradox 题目连接： http://www.codeforces.com/contest/711/problem/E Description ZS the Coder has recently found an interesting concep
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摘要：D. Directed Roads 题目连接： http://www.codeforces.com/contest/711/problem/D Description ZS the Coder and Chris the Baboon has explored Udayland for quite
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摘要：3101: N皇后 题目连接： http://www.lydsy.com/JudgeOnline/problem.php?id=3101 Description n n的棋盘,在上面摆下n个皇后，使其两两间不能相互攻击…． Input 一个数n Output 第i行表示在第i行第几列放置皇后 Sam
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摘要：C. Dreamoon and Sums 题目连接： http://www.codeforces.com/contest/476/problem/C Description Dreamoon loves summing up something for no reason. One day he o
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摘要：C. Pythagorean Triples 题目连接： http://www.codeforces.com/contest/707/problem/C Description Katya studies in a fifth grade. Recently her class studied ri
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摘要：Zhu and 772002 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5833 Description Zhu and 772002 are both good at math. One day, Zhu wants to test the a
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摘要：Problem I. Alien Rectangles 题目连接： http://opentrains.snarknews.info/~ejudge/team.cgi?SID=c75360ed7f2c7022&all_runs=1&action=140 Description The spacecr
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摘要：Balls and Boxes 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5810 Description Mr. Chopsticks is interested in random phenomena, and he conducts an
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摘要：I Want That Cake 题目连接： https://icpcarchive.ecs.baylor.edu/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=4925 Description There w
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摘要：Kevin's Problem 题目连接： https://icpcarchive.ecs.baylor.edu/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=4921 Description In his a
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摘要：Lucky7 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5768 Description When ?? was born, seven crows flew in and stopped beside him. In its childhood
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摘要：Rower Bo 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5761 Description There is a river on the Cartesian coordinate system,the river is flowing alo
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摘要：Life Winner Bo 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5754 Description Bo is a "Life Winner".He likes playing chessboard games with his girlf
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