Namaran

subtotal.c

#include <stdio.h>

int main(void) {
    int prices[6] = {3, 6, 9, 12, 15, 18};
    int subtotal = 0;
    for (int i = 0; i <= 4; i++) {
        subtotal += prices[i];
    }
    printf("%d\n", subtotal);
    return 0;
}