//Write a C++ program to find the sum of two compatible matrices:

#include<iostream.h>

#include<conio.h>

void main( )

{

int a[5][5],b[5][5],s[5][5],i,j,r1,c1,r2,c2;

clrscr();

cout<<"Enter the order of first matrix: ";

cin>>r1>>c1;

cout<<"Enter the order of second matrix: ";

cin>>r2>>c2;

if((r1 == r2) && (c1==c2))

{

cout << "Enter elements of 1st matrix: " << endl;

for (i = 0; i < r1; i++)

for (j = 0; j < c1; j++)

cin >> a[i][j];

cout << "Enter elements of 2nd matrix: " << endl;

for(i = 0; i < r2; i++)

for(j = 0; j < c2; j++)

cin >> b[i][j];

for(i = 0; i < r1; i++)

for(j = 0; j < c1; j++)

s[i][j] = a[i][j] + b[i][j];

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

for(i = 0; i < r1; i++)

{

for(j = 0; j < c1; j++)

cout << s[i][j];

cout << endl;

}

}

else

cout<<"Matrices are not compatible..."<<endl;

getch( );

}