> #include <iostream>
> #include <cmath>
> 
> using namespace std;
> 
> int main()
> {
>     const double e = 2.7182818284590452354, pi = 3.141592653589793239;
> 	int n;
> 	double a;
> long double sum=0;
> 	
> 	
> 	int arr[100];
> 	cin>>n;
> 	
> 	for (int i=0;i<=n-1;++i)
> 	{
> 		cin>>a;
> 		if(a==1)
> 			arr[i]=1;
> 		else
> 		arr[i]=.5*log10(2*a*pi)+a*log10(a/e)+1;	
> 		
> 	}
> 	for (int j=0;j<=n-1;++j)
> 		cout<<arr[j]<<endl;
> 	
> 	return 0;