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题目链接：https://cn.vjudge.net/problem/POJ-3494Given a m-by-n (0,1)-matrix, of all its submatrices of all 1’s which is the largest? By largest we mean that the submatrix has the most elements.InputT...

链接：https://ac.nowcoder.com/acm/contest/881/A来源：牛客网题目描述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≤...

https://ac.nowcoder.com/acm/contest/882/H求第二大全1矩形面积，单调栈（之前写的单调栈已经看不懂了，ε＝ε＝ε＝(#>д<)ﾉ）注意同一个矩形不要算重了例1 511111答案应该是4，而不是5#include<iostream>#include<cstdio>#include<a...

链接：https://ac.nowcoder.com/acm/contest/888/A来源：牛客网题目描述Gromah and LZR entered the great tomb, the first thing they see is a matrix of size n×mn\times mn×m, and the elements in the matrix are all...

https://cn.vjudge.net/problem/CodeForces-91BThere arenwalruses standing in a queue in an airport. They are numbered starting from the queue's tail: the1-st walrus stands at the end of the queue a...