精度不够，用double试试？
by 小粉兔 @ 2017-11-27 23:51:05
```cpp
#include<iostream>
#include<cstdio>
#include<algorithm>
#include<cmath>
using namespace std;
int main()
{
//freopen(".in","r",stdin);
//freopen(".out","w",stdout);
double k,s=0.0000,i;
cin>>k;
for(i=1;s<=k;i++)
{
s+=1.0/i;
}
cout<<i-1<<endl;
return 0;
}
by Anguei @ 2017-11-28 00:06:20
double就好了，我就是float 60分
by 2017gangbazi @ 2017-12-01 21:14:05