为什么输出的不是一个矩阵啊?(矩阵乘法C++)
#include<bits/stdc++.h>
using namespace std;
int main(){
int n,m,k;
int i,j,ii;
int a[100][100];
int b[100][100];
int ab[100][100];
cout << "请输入矩阵a的行数、列数以及b的列数:" << endl;
cin >> n >> m >> k;
cout << "请输入矩阵a:" << endl;
for( i = 0;i < n;i++)
for( j = 0;j < m;j++){
cin >> a[i][j];
}
cout << "请输入矩阵b:" << endl;
for( i = 0;i < m;i++)
for( j = 0;j < k;j++){
cin >> b[i][j];
}
for( i = 0;i < n;i++){
for( j = 0;j < k;j++){
ab[i][j] = 0;
for( ii = 0;ii < m;ii++){
ab[i][j] = ab[i][j]+a[i][ii]*b[ii][j];
}
}
}
cout << "矩阵a和b的乘积为:" << endl;
for( i = 0;i < n;i++){
for( j = 0;j < k;j++){
cout << ab[i][j] << endl;
}
}
system("pause");
return 0;
}