二维数组 && 计算两个矩阵相乘
#include
#include
#include
#pragma warning(disable : 4996)
#define ROW 2
#define COL 2
//二维数组
//计算两个矩阵相乘
using namespace std;
int a[ROW][COL];
int b[ROW][COL];
int c[ROW][COL]; //存放矩阵相乘的结果
int main() {
int m, n, p, q;
cin >> m >> n;
cout <<"读入a矩阵"<< endl;
for (int i = 0; i < m; i++) //读入a矩阵
{
for (int j = 0; j < n; j++)
{
cin >> a[i][j];
}
}
cin >> p >> q;
cout << "读入b矩阵" << endl;
for (int i = 0; i < p; i++) //读入b矩阵
{
for (int j = 0; j < q; j++)
{
cin >> b[i][j];
}
}
for (int i = 0; i < m; i++)
{
for (int j = 0; j < q; j++)
{
c[i][j] = 0;
for (int k = 0; k < n; k++)
{
c[i][j] += a[i][k] * b[k][j];
}
}
}
for (int i = 0; i < m; i++)
{
for (int j = 0; j < q; j++)
{
cout << c[i][j]<<" ";
}
cout << endl;
}
return 0;