2. (C) Write a friend function for adding the two matrix from two different classes and display its sum.

2. (C) Write a friend function for adding the two matrix from two different classes and display its sum.

	#include<iostream.h> #include<conio.h>
	class matrix2;
	class matrix1
	{
	int a[5][5];
	int m,n;
	public:
	void getmatrix1();
	void putmatrix1();
	friend void matrixsum(matrix1,matrix2);
	};
	void matrix1::getmatrix1()
	{
	int i,j;
	cout<<"matrix1 :"<<endl<<"rows and coloums :";
	cin>>m>>n;
	cout<<"enter elements :\n";
	for(i=0;i<m;i++)
	{
	for(j=0;j<n;j++)
	{
	cin>>a[i][j];
	}
	}
	}
	void matrix1::putmatrix1()
	{
	cout<<"matrix1 :"<<endl;
	for(int i=0;i<m;i++)
	{
	for(int j=0;j<n;j++)
	{
	cout<<a[i][j]<<" "<<endl;
	}
	}
	}
	class matrix2
	{
	int b[5][5];
	int m,n;
	public:
	void getmatrix2();
	void putmatrix2();
	friend void matrixsum(matrix1,matrix2);
	};
	void matrix2::getmatrix2()
	{
	int i,j;
	cout<<"matrix 2:"<<endl<<"rows and coloums :";
	cin>>m>>n;
	cout<<"enter elements :\n";
	for(i=0;i<m;i++)
	{
	for(j=0;j<n;j++)
	{
	cin>>b[i][j];
	}
	}
	}
	void matrix2::putmatrix2()
	{
	cout<<"matrix2 "<<endl;
	for(int i=0;i<m;i++)
	for(int j=0;j<n;j++)
	cout<<b[i][j]<<" "<<endl;
	}
	void matrixsum(matrix1 g,matrix2 h)
	{
	int i,j;
	if(g.m==h.m&&g.n==h.n)
	{
	cout<<"sum of the matrices :";
	for(i=0;i<g.m;i++)
	{
	for(j=0;j<h.n;j++)
	{
	cout<<g.a[i][j]+h.b[i][j]<<" "<<endl;
	}
	}
	}
	else
	{
	cout<<"dimension are not same....so addition not possible";
	}
	}
	void main()
	{
	clrscr();
	matrix1 m1;
	matrix2 m2;
	m1.getmatrix1();
	m2.getmatrix2();
	m1.putmatrix1();
	m2.putmatrix2();
	matrixsum(m1,m2);
	getch();
	}