Matrix multiplication in C++

[nikhilsharma2020]

#include
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;
}