提交时间:2025-06-07 14:11:25
运行 ID: 325628
#include<bits/stdc++.h> #include<iomanip> using namespace std; int main(){ int x; cin>>x; double s=0; double n=0; while(s<x){ n++; s=s+1.0/n; } cout<<n; return 0; }