c program to subtract two 3*3 matrices

/*c program to subtract two 3*3 matrices*/

#include<stdio.h>

#include<conio.h>

void main()

  {

    int m1[3][3],m2[3][3],msub[3][3];

    int i,j;

    clrscr();

    printf("type in 9 integer number of first matrix:\n");

    for(i=0;i<3;++i)

       for(j=0;j<3;++j)

                   scanf("%d",&m1[i][j]);

    printf("\n type in 9 integer number of first matrix:\n");

    for(i=0;i<3;++i)

       for(j=0;j<3;++j)

                   scanf("%d",&m2[i][j]);

/*matrix subtraction proceeds as follows...*/

   for(i=0;i<3;++i)

   for(j=0;j<3;++j)

       msub[i][j]=m1[i][j]-m2[i][j];

/*subtraction matrix as follows...*/

   for(i=0;i<3;++i)

   {

   for(j=0;j<3;++j)

   printf("%3d",msub[i][j]);

   printf("\n");

   }

getch();

}

type in 9 integer number first matrix:

1 2 3

3 2 1

4 5 6

type in 9 integer number of second matrix

6 5 4

3 2 1

2 3 1

Subscription of matrix

-5 -3 -1

 0  0  0

 2  2  5