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codeforces

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全部文章 / codeforces （共323篇）

Naming Company CodeForces - 794C （博弈，构造）

Oleg the client and Igor the analyst are good friends. However, sometimes they argue over little things. Recently, they started a new company, but the...

2019-08-30

0 416

Rectangle Puzzle CodeForces - 281C （几何）

You are given two rectangles on a plane. The centers of both rectangles are located in the origin of coordinates (meaning the center of the rectangle'...

2019-08-30

0 626

Rectangle Puzzle CodeForces - 281C （几何）

You are given two rectangles on a plane. The centers of both rectangles are located in the origin of coordinates (meaning the center of the rectangle'...

2019-08-30

0 746

Maximum Xor Secondary CodeForces - 281D （单调栈）

Bike loves looking for the second maximum element in the sequence. The second maximum element in the sequence of distinct numbers x1, x2, ..., xk (k &...

2019-08-30

0 301

Maximum Xor Secondary CodeForces - 281D （单调栈）

Bike loves looking for the second maximum element in the sequence. The second maximum element in the sequence of distinct numbers x1, x2, ..., xk (k &...

2019-08-30

0 447

Tourist's Notes CodeForces - 538C (贪心)

A tourist hiked along the mountain range. The hike lasted for n days, during each day the tourist noted height above the sea level. On the i-th day he...

2019-08-26

0 511

Tourist's Notes CodeForces - 538C (贪心)

A tourist hiked along the mountain range. The hike lasted for n days, during each day the tourist noted height above the sea level. On the i-th day he...

2019-08-26

0 595

Educational Codeforces Round 71 (Rated for Div. 2) E XOR Guessing (二进制分组，交互)

E. XOR Guessing time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output This is an interactive proble...

2019-08-23

0 624

Educational Codeforces Round 71 (Rated for Div. 2) E XOR Guessing (二进制分组，交互)

E. XOR Guessing time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output This is an interactive proble...

2019-08-23

0 417

Codeforces Round #581 (Div. 2) C. Anna, Svyatoslav and Maps （Floyd 算法，最短路）

C. Anna, Svyatoslav and Maps time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output The main charac...

2019-08-21

0 522