问题描述：
C++编程题 关于矩阵...
2470.Matrix Commutative Multiplication
限制条件
时间限制:5 秒,内存限制:256 兆
Given a square matrix of order N.Your task is to check whether AB=BA for all square matrix of the same order N.
输入格式The input begins with the integer t,the number of test cases.Then t test cases follow.
For each test case:In the first line there is an integer N (N
2470.Matrix Commutative Multiplication
限制条件
时间限制:5 秒,内存限制:256 兆
Given a square matrix of order N.Your task is to check whether AB=BA for all square matrix of the same order N.
输入格式The input begins with the integer t,the number of test cases.Then t test cases follow.
For each test case:In the first line there is an integer N (N
问题解答：
我来补答展开全文阅读