142857142857a @ 2023-11-20 21:13:21
#include<bits/stdc++.h>
using namespace std;
int main(){
int k;
float Sn=0,n=1;
cin>>k;
for(int i=1;i<=n;i++){
Sn+=1/n;
if(Sn>k){
break;
}
else n++;
}
cout<<n;
return 0;
}
by L_MaJiaQi @ 2023-11-20 21:17:57
@142857142857a 用double
by 142857142857a @ 2023-11-20 21:21:46
@YC_George 谢谢