题目1489：计算两个矩阵的乘积

#include <iostream>
#include <stdio.h>
#include <algorithm>
#include <math.h>
#include <string>
#include <string.h>
#include <vector>
#include <queue>
#include <stack>
#include <sstream>
#include <climits>
using namespace std;
int Matrix[2][3];  
int Matrix2[3][2];  
   
int main () {  
    int i,j,k;  
    int row = 2,col = 3;  
    while(scanf("%d %d %d",&Matrix[0][0],&Matrix[0][1],&Matrix[0][2]) != EOF){  
        int Matrix3[2][2] = {0};  
        //输入第一个矩阵  
        for(i = 1;i < row;i++){  
            for(j = 0;j < col;j++){  
                scanf("%d",&Matrix[i][j]);  
            }  
        }  
        //输入第二个矩阵  
        for(i = 0;i < col;i++){  
            for(j = 0;j < row;j++){  
                scanf("%d",&Matrix2[i][j]);  
            }  
        }  
        //相乘  
        for(i = 0;i < row;i++){  
            for(j = 0;j < row;j++){  
                for(k = 0;k < col;k++){  
                    Matrix3[i][j] += Matrix[i][k] * Matrix2[k][j];  
                }  
            }  
        }  
           
        //输出  
        for(i = 0;i < row;i++){  
            for(j = 0;j < row;j++){  
                printf("%d ",Matrix3[i][j]);  
            }  
            printf("\n");  
        }  
    }  
    return 0;  
}  
/**************************************************************
    Problem: 1489
    User: cust123
    Language: C++
    Result: Accepted
    Time:0 ms
    Memory:1520 kb
****************************************************************/