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 = 0;
double sum = 0;
int i = 1;
scanf("%d",&n);
for(i=1;i<=n;i++)
{
sum = sum+(1.0/i); // 将1转换为double类型，确保除法运算为浮点数除法
}
printf("%lf",sum);
return 0;
}