#include <stdio.h>
#include <conio.h>
int main() {
int r, c, a[100][100], b[100][100], sum[100][100], i, j,d,e;
printf("Enter the number of rows: ");
scanf("%d", &r);
printf("Enter the number of columns: ");
scanf("%d", &c);
printf("\nEnter elements of 1st matrix:\n");
for (i = 0; i < r; ++i)
for (j = 0; j < c; ++j) {
scanf("%d", &a[i][j]);
}
printf("Enter elements of 2nd matrix:\n");
for (i = 0; i < r; ++i)
for (j = 0; j < c; ++j) {
scanf("%d", &b[i][j]);
}
printf("\n\nYour 1st matrix is:\n");
for (i = 0; i < r; i++)
{
for (j = 0; j < c; j++) {
printf("%d ", a[i][j]);
}
printf("\n");
}
printf("\n\nYour 2nd matrix is:\n");
for (i = 0; i < r; i++)
{
for (j = 0; j < c; j++) {
printf("%d ", b[i][j]);
}
printf("\n");
}
printf("\n\nEnter 1 for addition \nEnter 2 for subtraction \n\nEnter your response: ");
scanf("%d",&d);
if(d==1){
for (i = 0; i < r; ++i)
for (j = 0; j < c; ++j) {
sum[i][j] = a[i][j] + b[i][j];
}
printf("\nSum of two matrices: \n");
for (i = 0; i < r; i++)
{
for (j = 0; j < c; j++) {
printf("%d ", sum[i][j]);
}
printf("\n");
}
}
else if(d==2)
{
printf("\n\nEnter 1 for (1st matrix - 2nd matrix) \nEnter 2 for (2nd matrix - 1st matrix)\n\nEnter your response: ");
scanf("%d", &e);
if(e==1){
for (i = 0; i < r; ++i)
for (j = 0; j < c; ++j) {
sum[i][j] = a[i][j] - b[i][j];
}
printf("\nYour result matrix is: \n");
for (i = 0; i < r; i++)
{
for (j = 0; j < c; j++) {
printf("%d ", sum[i][j]);
}
printf("\n");
}
}
else if(e==2)
{
for (i = 0; i < r; ++i)
for (j = 0; j < c; ++j) {
sum[i][j] = a[i][j] - b[i][j];
}
printf("\nYour result matrix is: \n");
for (i = 0; i < r; i++)
{
for (j = 0; j < c; j++) {
printf("%d ", sum[i][j]);
}
printf("\n");
}
}
}
return 0;
}
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