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全部文章（共388篇）

poj1611——The Suspects

Severe acute respiratory syndrome (SARS), an atypical pneumonia of unknown aetiology, was recognized as a global threat in mid-March 2003. To minimize...

2021-04-05

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poj2236——Wireless Network

An earthquake takes place in Southeast Asia. The ACM (Asia Cooperated Medical team) have set up a wireless network with the lap computers, but an unex...

2021-04-05

0 488

Codeforces988A——Diverse Team

There are n students in a school class, the rating of the i-th student on Codehorses is ai. You have to form a team consisting of k students (1≤k≤n) s...

2021-04-05

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Codeforces988B——Substrings Sort

You are given n strings. Each string consists of lowercase English letters. Rearrange (reorder) the given strings in such a way that for every string,...

2021-04-05

0 470

Codeforces988C——Equal Sums

You are given k sequences of integers. The length of the i-th sequence equals to ni. You have to choose exactly two sequences i and j (i≠j) such that...

2021-04-05

0 605

hdu3038——How Many Answers Are Wrong

TT and FF are … friends. Uh… very very good friends -__-b FF is a bad boy, he is always wooing TT to play the following game with him. This is a very...

2021-04-05

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poj1182——食物链

动物王国中有三类动物A,B,C，这三类动物的食物链构成了有趣的环形。A吃B， B吃C，C吃A。现有N个动物，以1－N编号。每个动物都是A,B,C中的一种，但是我们并不知道它到底是哪一种。有人用两种说法对这N个动物所构成的食物链关系进行描述：第一种说法是”1 X Y”，表示X和Y是同类。 ...

2021-04-05

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hdu1829——A Bug's Life

Background Professor Hopper is researching the sexual behavior of a rare species of bugs. He assumes that they feature two different genders and that...

2021-04-05

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poj1733——Parity game

Now and then you play the following game with your friend. Your friend writes down a sequence consisting of zeroes and ones. You choose a continuous s...

2021-04-05

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hdu3555——Bomb

The counter-terrorists found a time bomb in the dust. But this time the terrorists improve on the time bomb. The number sequence of the time bomb coun...

2021-04-05

0 446