随笔分类 - 数学
摘要:Buy the Ticket Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 8083 Accepted Submission(s): 3370
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摘要:RPG的错排 Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 16097 Accepted Submission(s): 6527 Problem
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摘要:https://syncshinee.github.io/2015/05/10/InverseElement/
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摘要:扫盲。今天做题才知道这玩意。。(那你之前是怎么算阶乘的哇。。只会暴力暴力暴力嘛。。。。) 阶乘逆元,原理是费马小定理,有些意思。
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摘要:The Embarrassed Cryptographer Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 15767 Accepted: 4337 Description The young and very promising
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摘要:Primitive Roots Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 5481 Accepted: 3101 Description We say that integer x, 0 < x < p, is a prim
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摘要:Strange Way to Express Integers Time Limit: 1000MS Memory Limit: 131072K Total Submissions: 19509 Accepted: 6592 Description Elina is reading a book w
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摘要:Visible Lattice Points Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 8397 Accepted: 5144 Description A lattice point (x, y) in the first
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摘要:Prime Cuts Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 11961 Accepted: 4553 Description A prime number is a counting number (1, 2, 3, .
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摘要:啊嘞,复习快速幂…… (ab)mod c=(a mod c)(b mod c)mod c 引理有点没转过弯来…… 位运算真tm快 代码
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摘要:1607: [Usaco2008 Dec]Patting Heads 轻拍牛头Time Limit: 3 SecMemory Limit: 64 MBSubmit: 1245Solved: 650[Submit][Status][Discuss]Description今天是贝茜的生日,为了庆祝自己的...
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摘要:现在applepi手上有一本十分古老的编年史,这本史书记录了很多著名的历史事件。于是applepi有了一个奇怪的想法……他想知道那些有名的历史事件都是在星期几发生的。现在轮到你了,你要帮助applepi解决这个问题。给你一个日期,输出星期几题解:刚看到这个题目时候我是拒绝的。因为我不知道从哪下手 ...
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