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C. Plasticine zebratime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputIs there anyth... 阅读全文
posted @ 2018-08-22 19:03
wyboooo
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B. Weakened Common Divisortime limit per test1.5 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputDuri... 阅读全文
posted @ 2018-08-22 19:00
wyboooo
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A. Doggo Recoloringtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputPanic is risin... 阅读全文
posted @ 2018-08-22 18:57
wyboooo
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加法原理 乘法原理 容斥原理组合数性质1：C(n,0）=C(n,n)=12：C(n,k)=C(n,n-k)3：C(n,k)+C(n,k+1)=C(n+1,k+1)4：C(n,k+1)= C(n,k)*（n-k）/(k + 1） 素数表const int maxn = ... 阅读全文
posted @ 2018-08-21 13:15
wyboooo
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链接：https://www.nowcoder.com/acm/contest/145/J来源：牛客网 时间限制：C/C++ 1秒，其他语言2秒空间限制：C/C++ 32768K，其他语言65536KSpecial Judge, 64bit IO Format: %l... 阅读全文
posted @ 2018-08-20 13:52
wyboooo
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链接：https://www.nowcoder.com/acm/contest/145/C来源：牛客网 时间限制：C/C++ 2秒，其他语言4秒空间限制：C/C++ 262144K，其他语言524288KSpecial Judge, 64bit IO Format: ... 阅读全文
posted @ 2018-08-20 11:00
wyboooo
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链接：https://www.nowcoder.com/acm/contest/145/A来源：牛客网 时间限制：C/C++ 1秒，其他语言2秒空间限制：C/C++ 262144K，其他语言524288KSpecial Judge, 64bit IO Format: ... 阅读全文
posted @ 2018-08-20 10:05
wyboooo
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Age of MoyuTime Limit: 5000/2500 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 3125 Accepted ... 阅读全文
posted @ 2018-08-19 17:09
wyboooo
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链接：https://www.nowcoder.com/acm/contest/147/A来源：牛客网 时间限制：C/C++ 1秒，其他语言2秒空间限制：C/C++ 262144K，其他语言524288K64bit IO Format: %lld题目描述Niuniu ... 阅读全文
posted @ 2018-08-18 16:14
wyboooo
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在看牛客网给的题解的参考资料的时候看到了生成函数不太懂就去查了一下感觉真的太奇妙了 拍案叫绝今天数学教我做人 参考：http://www.cppblog.com/MiYu/archive/2010/08/05/122290.html生成函数（母函数）的定义是有一个数列... 阅读全文
posted @ 2018-08-18 13:55
wyboooo
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实在是 美丽的数学啊关于傅里叶变换的博客 讲的很细致 图片非常易于理解http://blog.jobbole.com/70549/大概能明白傅里叶变换是干吗的了但是还是不能明白为什么用傅里叶变换来算多项式求和在多项式中，DFT就是系数表式转换成点值表示的过程。我们熟知... 阅读全文
posted @ 2018-08-18 12:32
wyboooo
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链接：https://www.nowcoder.com/acm/contest/147/E来源：牛客网 时间限制：C/C++ 1秒，其他语言2秒空间限制：C/C++ 262144K，其他语言524288K64bit IO Format: %lld题目描述Niuniu ... 阅读全文
posted @ 2018-08-17 16:35
wyboooo
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Traffic Network in NumazuTime Limit: 4000/2000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 677... 阅读全文
posted @ 2018-08-17 13:33
wyboooo
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SequenceTime Limit: 4000/2000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 1951 Accepted Sub... 阅读全文
posted @ 2018-08-16 14:58
wyboooo
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GuGuFishtionTime Limit: 3000/1500 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1204 Accepted S... 阅读全文
posted @ 2018-08-16 11:25
wyboooo
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多校赛上最近有道题目是gugufishtionProblem DescriptionToday XianYu is too busy with his homework, but the boring GuGu is still disturbing him!!!!!... 阅读全文
posted @ 2018-08-16 10:11
wyboooo
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Alice is so popular that she can receive many flowers everyday. She has N vases numbered from 0 to N-1. When she receive some flowers,... 阅读全文
posted @ 2018-08-11 20:19
wyboooo
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Yuanfang is puzzled with the question below: There are n integers, a 1, a 2, …, a n. The initial values of them are 0. There are four ... 阅读全文
posted @ 2018-08-09 20:29
wyboooo
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There is a company that has N employees(numbered from 1 to N),every employee in the company has a immediate boss (except for the leade... 阅读全文
posted @ 2018-08-09 14:27
wyboooo
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During the War of Resistance Against Japan, tunnel warfare was carried out extensively in the vast areas of north China Plain. General... 阅读全文
posted @ 2018-08-09 11:19
wyboooo
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