/* Program for matrix multiplication using 2D array    
9/20/08
	By:-
		 rohit.born2code@gamil.com   or
                 rohit_kamlakar@rediff.com

*/

#include<iostream.h>
#include<conio.h>
const size=10;
void main()
{
int a[size][size],b[size][size],c[size][size],n,m,i,j,k;
char v;
clrscr();
do
{
 m=n=3;
 cout<<"Enter a 3X3 matrix(1)\n";

 for(i=0;i<m;i++)
 {
	 for(j=0;j<n;j++)
	 {
	 cin>>a[i][j];
	 }
 }
 cout<<"Enter a 3X3 matrix(2)\n";

 for(i=0;i<m;i++)
 {
	 for(j=0;j<n;j++)
	 {
	 cin>>b[i][j];
	 }
 }

 for(i=0;i<m;i++)
 {
	 for(j=0;j<n;j++)
	 {
		c[i][j]=0 ;
		 for(k=0;k<n;k++)
		 {
		  c[i][j]=c[i][j]+(a[i][k]*b[k][j]);
		 }
	 }
  }

 cout<<"The product matrix is :"<<endl;

 for(i=0;i<m;i++)
 {
  cout<<endl;
	 for(j=0;j<n;j++)
	 {
		cout<<c[i][j]<<"\t";
	 }
 }
 cout<<"\nWanna do it again ? (y/n)";
 cin>>v;
 }
  while(v=='y'||v=='Y');
 getch();
}