Learn C language Part 19 Two Dimenstional Array in C ,Sum and Differnce of Two Matrices

#include<stdio.h>
#include<conio.h>

main()
{

int r,c;
int a[3][3];
int b[3][3];
int d[3][3];
int e[3][3];

//matrices A................................

for(r=0;r<3;r++)
{


for(c=0;c<3;c++)
{
printf("Enter the number at A[%d,%d]: ",r,c);
scanf("%d",&a[r][c]);
}



} //outer loop



//matrices B................................

for(r=0;r<3;r++)
{


for(c=0;c<3;c++)
{
printf("Enter the number at B[%d,%d]: ",r,c);
scanf("%d",&b[r][c]);
}



} //outer loop


//sum of these matrices.............................


for(r=0;r<3;r++)
{


for(c=0;c<3;c++)
{
d[r][c]=a[r][c] +b[r][c];
}



} //outer loop


for(r=0;r<3;r++)
{


for(c=0;c<3;c++)
{
e[r][c]=a[r][c]-b[r][c];
}



} //outer loop





//printing the A.......................

printf("\n\n\nMatrices A: \n");


for(r=0;r<3;r++)
{

printf("|\t");
for(c=0;c<3;c++)
{
printf("%d\t",a[r][c]);
}

printf("|\n");



} //outer loop



//printing the A.......................

printf("\n\n\nMatrices B: \n");


for(r=0;r<3;r++)
{

printf("|\t");
for(c=0;c<3;c++)
{
printf("%d\t",b[r][c]);
}

printf("|\n");



} //outer loop









//printing the sum.......................



printf("\n\n\nMatrices D: (Sum of A & B)\n");



for(r=0;r<3;r++)
{

printf("|\t");
for(c=0;c<3;c++)
{
printf("%d\t",d[r][c]);
}

printf("|\n");



} //outer loop







//printing the sum.......................



printf("\n\n\nMatrices E: (Difference of A & B)\n");



for(r=0;r<3;r++)
{

printf("|\t");
for(c=0;c<3;c++)
{
printf("%d\t",e[r][c]);
}

printf("|\n");



} //outer loop







}