1018

Run ID	Author	Problem	Lang	Verdict	Score	Time	Memory	Code Length	Submit Time
1018	沈文佳	编程求1+1/2+1/3+...+1/n	C++	Accepted	100	0 MS	252 KB	145	2019-09-27 20:46:04

#include<iostream> int main(){ double a,b=2,c=1; scanf("%lf",&a); while(b<=a){ c=c+1/b; b++; } printf("%.3lf",c); return 0; }