题解 | 牛牛学数列2
牛牛学数列2
https://www.nowcoder.com/practice/fc72951f52984f3abd286d82eeffacba
#include <stdio.h>
int main() {
int n;
scanf("%d",&n);
double H;
for(int i=1;i<=n;i++)
{
H=H+1.0/i;
}
printf("%.6f\n",H);
return 0;
}

