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Codeforce

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全部文章 / Codeforce （共32篇）

【CF 1092A】Uniform String

A. Uniform String You are given two integers nn and kk. Your task is to construct such a string ss of length nn...

Codeforce

2018-12-19

0 405

【CF 1087A】Right-Left Cipher

A. Right-Left Cipher Polycarp loves ciphers. He has invented his own cipher called Right-Left. Right-Left cipher is ...

Codeforce

2018-12-26

0 483

【CF 1100A】Roman and Browser

A. Roman and Browser This morning, Roman woke up and opened the browser with nn opened tabs numbered from 11 to nn. T...

Codeforce

2019-01-17

0 600

【CF 1100B】Build a Contest

B. Build a Contest Arkady coordinates rounds on some not really famous competitive programming platform. Each round f...

Codeforce

2019-01-17

0 650

【CF 1108A】Two distinct points

A. Two distinct points You are given two segments [l1;r1][l1;r1] and [l2;r2][l2;r2] on the xx-axis. It is guaranteed ...

Codeforce

2019-01-24

0 730

【CF 1111B】Average Superhero Gang Power

B. Average Superhero Gang Power Every superhero has been given a power value by the Felicity Committee. The avengers crew want...

Codeforce

2019-02-17

0 498

【CF 1111A】Superhero Transformation

A. Superhero Transformation We all know that a superhero can transform to certain other superheroes. But not all Superhero...

Codeforce

2019-02-17

0 521

【CF 1111C】Creative Snap 二分

C. Creative Snap Thanos wants to destroy the avengers base, but he needs to destroy the avengers along with thei...

Codeforce 二分

2019-02-17

0 787

【CF 1194A】Remove a Progression

A. Remove a Progression You have a list of numbers from 11 to nn written from left to right on the blackboard. You...

Codeforce

2019-07-16

0 487

【CF 11787B】WOW Factor

B. WOW Factor Recall that string aa is a subsequence of a string bb if aa can be obtained from bb by deletion of sev...

Codeforce 字符串

2019-07-22

0 600