C++ program to add two matrices

#include <iostream>
using namespace std;
 
int main()
{
  int m, n, c, d, first[10][10], second[10][10], sum[10][10];
 
  cout << "Enter number of rows and columns of matrix\n";
  cin >> m >> n;
  cout << "Enter elements of first matrix\n";
 
  for (c = 0; c < m; c++)
    for (d = 0; d < n; d++)
      cin >> first[c][d];
 
  cout << "Enter the elements of second matrix\n";
 
  for (c = 0; c < m; c++)
    for (d = 0; d < n; d++)
        cin >> second[c][d];
 
  for (c = 0; c < m; c++)
    for (d = 0; d < n; d++)
      sum[c][d] = first[c][d] + second[c][d];
 
  cout << "Sum of the matrices:\n";
 
  for (c = 0; c < m; c++)
  {
    for (d = 0; d < n; d++)
      cout << sum[c][d] << "\t";
 
    cout << endl;
  }
 
  return 0;
}