Program c++ penjumlahan dan perkalian matrix

#include <iostream>
#include <conio.h>
#include <iomanip.h>
#include <windows.h>
using namespace std;

int main()
{
system("color 30");
int baris,kolom,m1[10][10],m2[10][10],hasil[10][10];
cout<<"\t\tPENJUMLAHAN DAN PERKALIAN MATRIX "<<endl<<endl;
cout<<"Input jumlah baris : ";cin>>baris;
cout<<"Input jumlah kolom : ";cin>>kolom;
cout<<"==>>MATRIX A"<<endl;
for(int i=0;i<baris;i++)
{
for (int j=0;j<kolom;j++)
{
cout<<"["<<i<<","<<j<<"] : ";cin>>m1[i][j];
}
}
cout<<"==>>MATRIX A"<<endl;
for(int i=0;i<baris;i++)
{
for (int j=0;j<kolom;j++)
{
cout<<"["<<i<<","<<j<<"] : ";cin>>m2[i][j];
}
}
for(int i=0;i<baris;i++)
{
for (int j=0;j<kolom;j++)
{
hasil[i][j]=m1[i][j]+m2[i][j];
}
}
cout<<endl<<"MATRIX A+MATRIX B"<<endl;
for(int i=0;i<baris;i++)
{
for (int j=0;j<kolom;j++)
{
cout<<setw(4)<<hasil[i][j]<<setw(4);
}cout<<endl;
}
cout<<endl;
cout<<"MATRIX A*MATRIX B"<<endl;
for (int i=0;i<baris;i++){
for(int j=0;j<kolom;j++){
hasil[i][j]=0;
for(int k=0;k<baris;k++){
hasil[i][j]+=m1[i][k]*m2[k][j];

}
cout<<setw(4)<<hasil[i][j];
}
cout<<endl;
}
getch();
}