- 龙凤苑中学BC班6.15-周末课
叽叽叽叽
- @ 2024-6-21 16:46:07
#include <bits/stdc++.h>
using namespace std;
long long m=0,d=0,p;
double s;
int a[1000900];
int main() {
int n,x;
int k=1;
cin>>k;
s=0;
for(int j=1; ;j++)
{
s+=1.0/j;
if(s>k)
{
cout<<j;
break;
}
}
return 0;
}
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