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全部文章（共190篇）

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

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

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

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

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

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

0 565

Cow Contest POJ - 3660

N (1 ≤ N ≤ 100) cows, conveniently numbered 1..N, are participating in a programming contest. As we all know, some cows code better than others. Each ...

最短路 POJ 传递闭包

2017-05-28

0 585

POJ - 1860 Currency Exchange

Several currency exchange points are working in our city. Let us suppose that each point specializes in two particular currencies and performs exchang...

POJ 最短路 SPFA

2017-05-25

0 507

UVA - 748 Exponentiation

Problems involving the computation of exact values of very large magnitude and precision are common. For example, the computation of the national debt...

UVA 大数

2017-05-24

0 720

UVA - 644 Immediate Decodability

An encoding of a set of symbols is said to be immediately decodable if no code for one symbol is the prefix of a code for another symbol. We will assu...

字典树 UVA

2017-05-22

0 528