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codeforces

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全部文章 / codeforces （共323篇）

Debate CodeForces - 1070F （贪心）

Elections in Berland are coming. There are only two candidates — Alice and Bob. The main Berla*** channel plans to show political debates. There are ...

2019-04-21

0 328

Divide Candies CodeForces - 1056B （数学）

Arkady and his friends love playing checkers on an n×nn×n field. The rows and the columns of the field are enumerated from 11 to nn. The friends have...

数学

2019-04-20

0 579

Divide Candies CodeForces - 1056B （数学）

Arkady and his friends love playing checkers on an n×nn×n field. The rows and the columns of the field are enumerated from 11 to nn. The friends have...

数学

2019-04-20

0 506

Login Verification CodeForces - 928A （实现）

When registering in a social network, users are allowed to create their own convenient login to make it easier to share contacts, print it on business...

2019-04-19

0 709

Login Verification CodeForces - 928A （实现）

When registering in a social network, users are allowed to create their own convenient login to make it easier to share contacts, print it on business...

2019-04-19

0 305

Colorful Bricks CodeForces - 1081C （组合数学或 DP ）

On his free time, Chouti likes doing some housework. He has got one new task, paint some bricks in the yard. There are nn bricks lined in a row on th...

2019-04-19

0 678

Colorful Bricks CodeForces - 1081C （组合数学或 DP ）

On his free time, Chouti likes doing some housework. He has got one new task, paint some bricks in the yard. There are nn bricks lined in a row on th...

2019-04-19

0 380

ExaWizards 2019 English D - Modulo Operations（DP）

Time Limit: 2 sec / Memory Limit: 1024 MB Score : <var>600600</var> points Problem Statement Snuke has a blackboard and a set...

DP

2019-04-17

0 558

ExaWizards 2019 English D - Modulo Operations（DP）

Time Limit: 2 sec / Memory Limit: 1024 MB Score : <var>600600</var> points Problem Statement Snuke has a blackboard and a set...

DP

2019-04-17

0 387

Cards and Joy CodeForces - 999F （贪心+set）

There are nn players sitting at the card table. Each player has a favorite number. The favorite number of the jj-th player is fjfj. There are k⋅nk⋅n ...

2019-04-16

0 379