#include <stdio.h>
#include <stdlib.h>
#define macro(n) for(k=0;k<n;k++)sum+=1/(float)(k+1)
int main(void)
{
	int k,n;
	float sum = 0.0f;
	printf("請輸入第n項\n");
	scanf("%d", &n);
	printf("輸入的n為：%d\n",n);
	printf("計算1/1+1/2+1/3+‧‧‧+1/n的輸出結果為\n");
	macro(n);
	printf("sum = %f\n", sum);
	system("pause");
	return 0;
}