Matrix Multiplication

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 //Multiplication of Matrix  
 //Downloaded From www.c4cpp.co.nr  
 //(C)2009.All rights reserved.  
 #include<iostream.h>  
 #include<conio.h>  
 class matrix  
 {  
 int x[10][10];  
 int m,n;  
 public:  
 void input();  
 void output();  
 void multiply(matrix,matrix);  
 };  
 void matrix::input()  
 {  
 cout<<"Enter Row"<<endl;  
 cin>>m;  
 cout<<"Enter Column"<<endl;  
 cin>>n;  
 cout<<"Matrix"<<endl;  
 for(int i=0;i<m;i++)  
 {  
 for(int j=0;j<n;j++)  
 {  
 cin>>x[i][j];  
 }  
 }  
 }  
 void matrix :: output()  
 {  
 for(int i=0;i<m;i++)  
 {  
 cout<<endl;  
 for(int j=0;j<n;j++)  
 {  
 cout<<x[i][j]<<"  ";  
 }  
 }  
 }  
 void matrix :: multiply(matrix m1, matrix m2)  
 {  
 for(int i=0;i<m1.m;i++)  
 {  
 for(int j=0;j<m2.n;j++)  
 {  
 x[i][j]=0;  
 for(int k=0;k<m1.n;k++)  
 {  
 x[i][j]=x[i][j] +( m1.x[i][k] * m2.x[k][j]);  
 m=m1.m;  
 n=m2.n;  
 }  
 }  
 }  
 }  
 void main()  
 {  
 clrscr();  
 matrix m1,m2,m3;  
 m1.input();  
 m2.input();  
 m3.multiply(m1,m2);  
 m3.output();  
 getch();  
 }