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全部文章（共72篇）

Piggy-Bank HDU - 1114

Before ACM can do anything, a budget must be prepared and the necessary financial support obtained. The main income for this action comes from Irrever...

DP ACM

2017-08-20

0 516

Talented Chef ZOJ - 3778

As we all know, Coach Gao is a talented chef, because he is able to cook <var>M</var> dishes in the same time. Tonight he is going to h...

思维 ACM

2017-08-17

0 566

Max Sum Plus Plus HDU - 1024

Now I think you have got an AC in Ignatius.L's "Max Sum" problem. To be a brave ACMer, we always challenge ourselves to more difficult probl...

DP ACM

2017-08-17

0 589

Let's Chat ZOJ - 3961

ACM (ACMers' Chatting Messenger) is a famous instant messaging software developed by Marjar Technology Company. To attract more users, Edward, the bos...

思维 ACM

2017-08-17

0 551

Doing Homework HDU - 1074

Ignatius has just come back school from the 30th ACM/ICPC. Now he has a lot of homework to do. Every teacher gives him a deadline of handing in the ho...

DP ACM

2017-08-18

0 442

Censor SCU - 4438

frog is now a editor to censor so-called sensitive words (敏感词). She has a long text (p). Her job is relatively simple -- just to find the first oc...

KMP ACM

2017-08-20

0 484

How many zero's and how many digits ? UVA - 10061

Given a decimal integer number you will have to find out how many trailing zeros will be there in itsfactorial in a given number system and also you w...

数论 UVA ACM

2017-08-21

0 751

Always an integer UVALive - 4119

题目很简单，就是求表达式（P/D）的结果是不是整数。其中P是一个整系数的多项式，D是一个正整数。把1-k（最高次）+1都试一次就好了。结论可以总结归纳得到。（k取 0， 1， 2 .... 的情况推一次，可以推出结论）。 // Asimple #include <iostream&...

数论 UVA ACM

2017-08-23

0 466

Harmonic Value Description HDU - 5916

The harmonic value of the permutation p1,p2,⋯pn is ∑i=1n−1gcd(pi.pi+1) Mr. Frog is wondering about the permutation whose harmonic value is...

思维 ACM 数论

2017-08-25

0 540

2017第十三届湖南省省赛A - Seating Arrangement CSU - 1997

Mr. Teacher老师班上一共有n个同学，编号为1到n。在上课的时候Mr. Teacher要求同学们从左至右按1, 2, …, n的顺序坐成一排，这样每个同学的位置是固定的，谁没来上课就一目了然了。但是时间长了之后，Mr. Teacher发现坐得离得远的同学往往因为交流很少而逐渐变得生疏了...

思维 ACM

2017-09-10

0 597