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codeforces

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全部文章 / codeforces （共323篇）

Minimum Integer CodeForces - 1101A （思维+公式）

You are given qq queries in the following form: Given three integers lili, riri and didi, find minimum positive integer xixi such that it is divisibl...

2019-01-12

0 405

The Golden Age CodeForces - 813B （数学+枚举）

Unlucky year in Berland is such a year that its number n can be represented as n = xa + yb, where a and b are non-negative integer numbers. For examp...

2019-01-11

0 406

The Golden Age CodeForces - 813B （数学+枚举）

Unlucky year in Berland is such a year that its number n can be represented as n = xa + yb, where a and b are non-negative integer numbers. For examp...

2019-01-11

0 330

The Contest CodeForces - 813A (思维)

Pasha is participating in a contest on one well-known website. This time he wants to win the contest and will do anything to get to the first place! ...

2019-01-11

0 740

The Contest CodeForces - 813A (思维)

Pasha is participating in a contest on one well-known website. This time he wants to win the contest and will do anything to get to the first place! ...

2019-01-11

0 311

Integer Sequence Dividing CodeForces - 1102A (规律)

You are given an integer sequence 1,2,…,n1,2,…,n. You have to divide it into two sets AAand BB in such a way that each element belongs to exactly one ...

2019-01-11

0 562

Integer Sequence Dividing CodeForces - 1102A (规律)

You are given an integer sequence 1,2,…,n1,2,…,n. You have to divide it into two sets AAand BB in such a way that each element belongs to exactly one ...

2019-01-11

0 341

Balanced Ternary String CodeForces - 1102D （贪心+思维）

You are given a string ss consisting of exactly nn characters, and each character is either '0', '1' or '2'. Such strings are called ternary strings. ...

2019-01-11

0 380

Balanced Ternary String CodeForces - 1102D （贪心+思维）

You are given a string ss consisting of exactly nn characters, and each character is either '0', '1' or '2'. Such strings are called ternary strings. ...

2019-01-11

0 355

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

0 547