u013023344的专栏

Description Given an N*N matrix A, whose elements are either 0 or 1. A[i, j] means the number in the i-th row and j-th column. Initially we have A[i, j] = 0 (1 We can change the matrix in the f

Given an n*n matrix A, whose entries Ai,j are integer numbers ( 1 Input The first line of the input contains a single integer T , the number of test cases. For each test case, the first line conta

Problem Description 世界上上最远的距离不是相隔天涯海角 而是我在你面前 可你却不知道我爱你                 ―― 张小娴 前段日子，枫冰叶子给Wiskey做了个征婚启事，聘礼达到500万哦，天哪，可是天文数字了啊，不知多少MM蜂拥而至，顿时万人空巷，连扫地的大妈都来凑热闹来了。―_―||| 由于人数太多，Wiskey实在忙不过来，就把统计的事