随笔分类 - 数学 数论
摘要：F2. Wrong Answer on test 233 (Hard Version) Your program fails again. This time it gets "Wrong answer on test 233" . This is the harder version of the
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摘要：C. Tile Painting Ujan has been lazy lately, but now has decided to bring his yard to good shape. First, he decided to paint the path from his house to
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摘要：G. Polygons Description You are given two integers 𝑛 and 𝑘. You need to construct 𝑘 regular polygons having same circumcircle, with distinct number
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摘要：D. Taxes 题目链接 http://codeforces.com/contest/735/problem/D 题面 Mr. Funt now lives in a country with a very specific tax laws. The total income of mr. Fu
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摘要：D. Remainders Game 题目连接： http://www.codeforces.com/contest/688/problem/D Description Today Pari and Arya are playing a game called Remainders. Pari ch
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摘要：Sum Of Gcd 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=4676 Description Given you a sequence of number a1, a2, ..., an, which is a permutation of
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摘要：1040 最大公约数之和 题目连接： https://www.51nod.com/onlineJudge/questionCode.html !problemId=1040 Description 给出一个n，求1 n这n个数，同n的最大公约数的和。比如：n = 6 1,2,3,4,5,6 同6的最
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摘要：1179 最大的最大公约数 题目连接： https://www.51nod.com/onlineJudge/questionCode.html !problemId=1179 Description 给出N个正整数，找出N个数两两之间最大公约数的最大值。例如：N = 4，4个数为：9 15 25 1
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摘要：2818: Gcd 题目连接： http://www.lydsy.com/JudgeOnline/problem.php?id=2818 Description 给定整数N，求1 using namespace std; const int maxn = 1e7+5; long long phi[m
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摘要：1225 余数之和 题目连接： http://www.51nod.com/onlineJudge/questionCode.html !problemId=1225 Description F(n) = (n % 1) + (n % 2) + (n % 3) + ...... (n % n)。其中%
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摘要：<center D. Multipliers</center 题目连接：http://codeforces.com/contest/615/problem/D DescriptionAyrat has number n, represented as it's prime factorizati...
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摘要：LCM WalkTime Limit: 20 SecMemory Limit: 256 MB题目连接http://acm.hdu.edu.cn/showproblem.php?pid=5584DescriptionA frog has just learned some number theory,...
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摘要：FrogsTime Limit: 20 SecMemory Limit: 256 MB题目连接http://acm.hdu.edu.cn/showproblem.php?pid=5514DescriptionThere are m stones lying on a circle, and n fr...
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摘要：D. Dima and LisaTime Limit: 1 Sec Memory Limit: 256 MB题目连接http://codeforces.com/contest/584/problem/DDescriptionDima loves representing an odd number ...
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摘要：ReflectTime Limit: 1 Sec Memory Limit: 256 MB题目连接http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=628&pid=1003Description从镜面材质的圆上一点...
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摘要：A. Bear and PokerTime Limit: 20 SecMemory Limit: 256 MB题目连接http://codeforces.com/contest/573/problem/ADescriptionLimak is an old brown bear. He often ...
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摘要：BOPCTime Limit: 20 SecMemory Limit: 256 MB题目连接http://acm.hust.edu.cn/vjudge/contest/view.action?cid=86686#problem/DDescriptionYou invented a new chess...
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摘要：C. Kyoya and Colored BallsTime Limit: 20 SecMemory Limit: 256 MB题目连接http://codeforces.com/contest/554/problem/CDescriptionKyoya Ootori has a bag with ...
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摘要：B. Vanya and BooksTime Limit: 20 SecMemory Limit: 256 MB题目连接http://codeforces.com/contest/552/problem/BDescriptionVanya got an important task — he sho...
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摘要：B. Strings of PowerTime Limit: 20 SecMemory Limit: 256 MB题目连接http://codeforces.com/contest/318/problem/CDescriptionLet us call a pair of integer numbe...
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