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);
float sum = 0.0;
int i;
for(i = 1; i <= n; i++)
{
sum += 1.0/i;
}
printf("%f",sum);
return 0;
}
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