#include
int main(void)
{
int rooms, len, width, total;
int i;
printf("Number of rooms? ");
scanf("%d", &rooms);
total = 0;
for(i = rooms; i > 0; i--) {
printf("Enter length: ");
scanf("%d", &len);
printf("Enter width: ");
scanf("%d", &width);
total = total + len * width;
}
printf("Total square footage: %d", total);
return 0;
}