#include<stdio.h>
#include "exf.h"

int main()
{
	int i;
	int sum_result = 0;
	sum_result = func_sum(100);
	printf("\nThe sum of 1~100 is %d\n", sum_result);
	
	sum_result = func_sum(200);
	printf("The sum of 1~200 is %d\n\n", sum_result);
	
	return 0;
}