multiplication of matrix in c program with output

Matrix multiplication in c

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

 

Output:

Enter the number of rows and columns of first matrix

3 3

Enter the elements of first matrix

2

2

2

3

3

3

4

4

4

Enter the number of rows and columns of second matrix

3 3

Enter the elements of second matrix

5

5

5

5

5

5

5

5

5

Product of entered matrices:-

30      30      30

45      45      45

60      60      60