MATRIX ADDITION using TWO CLASSES and FRIEND FUNCTION

5. Write a CPP program to add corresponding elements of two 2D matrices using friend function. Create two classes each capable of storing one 2D matrix. Declare the matrix under private access specifier and access them outside the class.

//        MATRIX ADDITION using TWO CLASSES and FRIEND FUNCTION

include<iostream>

 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<<"MATRIX 1:\n";
            cout<<"Rows and Columns: ";
            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()
 
{
            int i,j; 
            cout<<"MATRIX 1:\n";
            for(i=0;i<m;i++)
            {
                        for(j=0;j<n;j++)
                                    cout<<a[i][j]<<" ";
                        cout<<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:\n";
            cout<<"Rows and Colums: ";
            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() 
{
            int i,j;
            cout<<"MATRIX 2:\n";
            for(i=0;i<m;i++)
            {
                        for(j=0;j<n;j++)
                                    cout<<b[i][j]<<" ";
                        cout<<endl;
            }
}

void matrixsum(matrix1 g,matrix2 h) 
{

            int i,j; 
            if(g.m==h.m && g.n==h.n)
            {
                         cout<<"SUM OF MATRICES:\n"; 
                           for(i=0;i<g.m;i++)
                        {

                                    for(j=0;j<g.n;j++) 
                                                cout<<g.a[i][j]+h.b[i][j]<<" ";
                                    cout<<endl; 
                        }
            }
            else
                        cout<<"Dimensions are not same...Addition not possible";
}

int main()
{
            matrix1 m1;
            matrix2 m2;
            m1.getmatrix1();                    
            m2.getmatrix2();
            m1.putmatrix1();                    
            m2.putmatrix2();
            matrixsum(m1,m2);
}