// Program to illustrate binary operator overloading (friend functions)
#include<iostream.h>
class matrix
{
private:
int element[10][10];
int rows,cols;
public:
matrix(int,int);
void input();
void display();
friend matrix operator + (matrix,matrix);
}
;
matrix::matrix(int r,int c)
{
rows=r;
cols=c;
}
void matrix::input()
{
for(int i=0;i<rows;i++)
for(int j=0;j<cols;j++)
cin>>element[i][j];
}
void matrix:: display()
{
for(int i=0;i<rows;i++)
{
for(int j=0;j<cols;j++)
cout<<element[i][j]<<"\t";
cout<<endl;
}
}
matrix operator + (matrix m,matrix n)
{
matrix temp(m.rows,m.cols);
for(int i=0;i<m.rows;i++)
for(int j=0;j<m.cols;j++)
temp.element[i][j]=m.element[i][j] + n.element[i][j];
return temp;
}
void main()
{
matrix A(2,2),B(2,2),C(2,2);
A.input();
B.input();
C=A+B;
C.display();
}
Test data
1 2
3 4
3 4
5 6
Output
4 6
8 10
