#include <stdio.h>int compute_sum(int a,int b);
int main(void){ int sum; sum = compute_sum(100,200); printf("100ºÎÅÍ 200±îÁöÀÇ ÇÕ = %d \n", sum); return 0;}
int compute_sum(int a, int b){ int i; int result = 0;
for (i = a; i <= b; i++) { if (i % 3 == 0) result += i; }
return result;}