White Rabbit has a rectangular farmland of n*m. In each of the grid there is a kind of plant. The plant in the j-th column of the i-th row belongs the a[i][j]-th type.White Cloud wants to help White Rabbit fertilize plants, but the i-th plant can onl…
题目链接:https://www.nowcoder.com/acm/contest/140/J 时间限制:C/C++ 4秒,其他语言8秒 空间限制:C/C++ 262144K,其他语言524288K 64bit IO Format: %lld 题目描述 White Rabbit has a rectangular farmland of n*m. In each of the grid there is a kind of plant. The plant in the j-th column…
Farm Irrigation Time Limit: 2 Seconds Memory Limit: 65536 KB Benny has a spacious farm land to irrigate. The farm land is a rectangle, and is divided into a lot of samll squares. Water pipes are placed in these squares. Different square has a di…