Addition of Two Matrices

This c program adds two matrices i.e. 

compute the sum of two matrices and

then print it. Firstly user will be

asked to enter the order of matrix 

( number of rows and columns ) and 

then two matrices. For example if 

the user entered order as 2, 2 

i.e. two rows and two columns and 

matrices as

First Matrix :-

1 2

3 4

Second matrix :-

4 5

-1 5

then output of the program 

( sum of First and Second matrix ) 

will be

5 7

2 9 

#include <stdio.h>
 
int main()
{
   int m, n, c, d, first[10][10], second[10][10], sum[10][10];
 
   printf("Enter the number of rows and columns of matrix\n");
   scanf("%d%d", &m, &n);
   printf("Enter the elements of first matrix\n");
 
   for ( c = 0 ; c < m ; c++ )
      for ( d = 0 ; d < n ; d++ )
         scanf("%d", &first[c][d]);
 
   printf("Enter the elements of second matrix\n");
 
   for ( c = 0 ; c < m ; c++ )
      for ( d = 0 ; d < n ; d++ )
            scanf("%d", &second[c][d]);
 
   for ( c = 0 ; c < m ; c++ )
      for ( d = 0 ; d < n ; d++ )
         sum[c][d] = first[c][d] + second[c][d];
 
   printf("Sum of entered matrices:-\n");
 
   for ( c = 0 ; c < m ; c++ )
   {
      for ( d = 0 ; d < n ; d++ )
         printf("%d\t", sum[c][d]);
 
      printf("\n");
   }
 
   return 0;
}