977

Run ID	Author	Problem	Lang	Verdict	Score	Time	Memory	Code Length	Submit Time
977	王兮	编程求1+1/2+1/3+...+1/n	C++	Accepted	100	0 MS	256 KB	175	2019-09-25 21:49:48

#include<iostream> int main() { int n; scanf("%d",&n); int i=1; double sum=0; while(i<=n) { sum=sum+1.0/i; i=i+1; } printf("%.3lf",sum); return 0; }