1180

Run ID	Author	Problem	Lang	Verdict	Score	Time	Memory	Code Length	Submit Time
1180	李言	编程求1+1/2+1/3+...+1/n	C++	Accepted	100	0 MS	252 KB	140	2019-10-05 16:35:12

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