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codeforces

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全部文章 / codeforces （共323篇）

Doors Breaking and Repairing CodeForces - 1102C (思维)

You are policeman and you are playing a game with Slavik. The game is turn-based and each turn consists of two phases. During the first phase you make...

2019-01-10

0 352

Find Amir CodeForces - 805C （贪心+思维）

A few years ago Sajjad left his school and register to another one due to security reasons. Now he wishes to find Amir, one of his schoolmates a...

2019-01-09

0 399

Find Amir CodeForces - 805C （贪心+思维）

A few years ago Sajjad left his school and register to another one due to security reasons. Now he wishes to find Amir, one of his schoolmates a...

2019-01-09

0 387

3-palindrome CodeForces - 805B (思维)

In the beginning of the new year Keivan decided to reverse his name. He doesn't like palindromes, so he changed Naviek to Navick. He is too selfish, ...

2019-01-09

0 601

3-palindrome CodeForces - 805B (思维)

In the beginning of the new year Keivan decided to reverse his name. He doesn't like palindromes, so he changed Naviek to Navick. He is too selfish, ...

2019-01-09

0 435

Fake NP CodeForces - 805A （思维）

Tavak and Seyyed are good friends. Seyyed is very funny and he told Tavak to solve the following problem instead of longest-path. You are given l and...

2019-01-09

0 760

Fake NP CodeForces - 805A （思维）

Tavak and Seyyed are good friends. Seyyed is very funny and he told Tavak to solve the following problem instead of longest-path. You are given l and...

2019-01-09

0 528

Magazine Ad CodeForces - 803D （二分+贪心）

The main city magazine offers its readers an opportunity to publish their ads. The format of the ad should be like this: There are space-separated no...

2019-01-09

0 675

Magazine Ad CodeForces - 803D （二分+贪心）

The main city magazine offers its readers an opportunity to publish their ads. The format of the ad should be like this: There are space-separated no...

2019-01-09

0 509

Maximal GCD CodeForces - 803C （数论+思维优化）

C. Maximal GCD time limit per test 1 second memory limit per test 256 megabytes input standard input ...

2019-01-08

0 421