先贴两个基础的矩阵乘法,以后再贴一些题. hdu. Matrix multiplication Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 5236 Accepted Submission(s): 2009 Problem Description Given two matrices A and B of size n×n,
原理:矩阵相乘最重要的方法是一般矩阵乘积.它只有在第一个矩阵的 行数 和第二个矩阵的 列数 相同时才可进行.若A为m×n矩阵,B为n×p矩阵,则他们的乘积AB会是一个m×p矩阵. 若A= a b c d e f g h i B= A D B E C F A*B=CC= aA+bB+cC aD+bE+cF dA+eB+fC dD+eE
题目链接:https://vjudge.net/problem/HDU-4965 Fast Matrix Calculation Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 2057 Accepted Submission(s): 954 Problem Description One day, Alice and Bob