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2019牛客暑期多校2F题

Given 2N people, you need to assign each of them into either red team or white team such that each team consists of exactly N people and the total com...

2019-07-21

1 956

2019牛客暑期多校2H题

Given a N×M binary matrix. Please output the size of second large rectangle containing all "1". Containing all "1" means that the entries o...

2019-07-21

2 939

2019牛客暑期多校1C题

注：从小雷那里搬的 Bobo has a point A in the n dimension real space RnRn, whose coodinate is (a1/m,a2/m,…,an/m)(a1/m,a2/m,…,an/m) where aiai and m are both ...

2019-07-20

1 1245

2019牛客暑期多校1A题

Two arrays u and v each with m distinct elements are called equivalent if and only if RMQ(u,l,r)=RMQ(v,l,r)RMQ(u,l,r)=RMQ(v,l,r) for all 1≤l≤r≤m1≤l≤r≤...

2019-07-20

2 832

2019牛客暑期多校1F题

Bobo has a triangle ABC with A(x1,y1),B(x2,y2)A(x1,y1),B(x2,y2) and C(x3,y3)C(x3,y3). Picking a point P uniformly in triangle ABC, he wants to know th...

2019-07-19

5 1223

2019牛客暑期多校1J题

Bobo has two fractions xaxa and ybyb. He wants to compare them. Find the result. 输入描述: The input consists of several test cases and is terminated b...

2019-07-19

1 843

2019牛客暑期多校1E题（组合数学）

Bobo has a string of length 2(n + m) which consists of characters `A` and `B`. The string also has a fascinating property: it can be decomposed into (...

2019-07-19

11 1444