摘要:
This is the harder version of the problem. In this version, 1≤n,m≤2⋅1051≤n,m≤2⋅105. You can hack this problem if you locked it. But you can hack the p 阅读全文
摘要:
Happy Necklace Problem Description Little Q wants to buy a necklace for his girlfriend. Necklaces are single strings composed of multiple red and blue 阅读全文
摘要:
给你一个m×n的整数矩阵,在上面找一个x×y的子矩阵,使子矩阵中所有元素的和最大。 Input 输入数据的第一行为一个正整数T,表示有T组测试数据。每一组测试数据的第一行为四个正整数m,n,x,y(0<m,n<1000 AND 0<x<=m AND 0<y<=n),表示给定的矩形有m行n列。接下来这 阅读全文
摘要:
At the entrance to the university, there is a huge rectangular billboard of size h*w (h is its height and w is its width). The board is the place wher 阅读全文