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codeforces

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全部文章 / codeforces （共323篇）

Less or Equal CodeForces - 977C （sort+细节）

You are given a sequence of integers of length nn and integer number kk. You should print any integer number xx in the range of [1;109][1;109] (i.e. 1...

2019-04-07

0 473

Divide by three, multiply by two CodeForces - 977D （思维排序）

Polycarp likes to play with numbers. He takes some integer number xx, writes it down on the board, and then performs with it n−1n−1 operations of the ...

2019-04-07

0 479

Divide by three, multiply by two CodeForces - 977D （思维排序）

Polycarp likes to play with numbers. He takes some integer number xx, writes it down on the board, and then performs with it n−1n−1 operations of the ...

2019-04-07

0 417

Jury Meeting CodeForces - 854D （前缀和维护）

Country of Metropolia is holding Olympiad of Metrpolises soon. It mean that all jury members of the olympiad should meet together in Metropolis (the c...

2019-04-06

0 298

Jury Meeting CodeForces - 854D （前缀和维护）

Country of Metropolia is holding Olympiad of Metrpolises soon. It mean that all jury members of the olympiad should meet together in Metropolis (the c...

2019-04-06

0 558

Codeforces Round #481 (Div. 3)Petya's Exams CodeForces - 978G

Petya studies at university. The current academic year finishes with nn special days. Petya needs to pass mm exams in those special days. The special ...

2019-04-03

0 314

Codeforces Round #481 (Div. 3)Petya's Exams CodeForces - 978G

Petya studies at university. The current academic year finishes with nn special days. Petya needs to pass mm exams in those special days. The special ...

2019-04-03

0 418

Bus Video System CodeForces - 978E （思维）

The busses in Berland are equipped with a video surveillance system. The system records information about changes in the number of passengers in a bus...

2019-04-01

0 340

Bus Video System CodeForces - 978E （思维）

The busses in Berland are equipped with a video surveillance system. The system records information about changes in the number of passengers in a bus...

2019-04-01

0 412

Graph Without Long Directed Paths CodeForces - 1144F （dfs染色）

You are given a connected undirected graph consisting of nn vertices and mm edges. There are no self-loops or multiple edges in the given graph. You ...

2019-04-01

0 338