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;
scanf("%d",&n);
float num = 0;
while(n)
{
num += 1.0/n;
n--;
}
printf("%.5f",num);
return 0;
}
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