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