Two matrix multiplication in c++ program

 

#include <iostream>
using namespace std;
int main()
{
    int a[10][10],b[10][10],mul[10][10],r,c,i,j,k;
    cout<<"enter the number of row=";
    cin>>r;
    cout<<"enter the number of column=";
    cin>>c;
    cout<<"enter the first matrix element=\n";
    for(i=0; i<r; i++)
    {
        for(j=0; j<c; j++)
        {
            cin>>a[i][j];
        }
    }
    cout<<"enter the second matrix element=\n";
    for(i=0; i<r; i++)
    {
        for(j=0; j<c; j++)
        {
            cin>>b[i][j];
        }
    }
    cout<<"multiply of the matrix=\n";
    for(i=0; i<r; i++)
    {
        for(j=0; j<c; j++)
        {
            mul[i][j]=0;
            for(k=0; k<c; k++)
            {
                mul[i][j]+=a[i][k]*b[k][j];
            }
        }
    }
//for printing result
    for(i=0; i<r; i++)
    {
        for(j=0; j<c; j++)
        {
            cout<<mul[i][j]<<" ";
        }
        cout<<"\n";
    }
    return 0;
}