运用斯特林公式。。。。。--！
#include <algorithm>
#include <cstdio>
#include <cstring>
#include <iostream>
#include <cmath>
#define PI 3.141592653
#define E 2.71828182
using namespace std;
int main(){
int T; double n;
scanf("%d",&T);
while(T--){
scanf("%lf",&n);
int ans=(int)(log10(2*PI*n)/2+n*log10(n/E));
printf("%d
",ans+1);
}
return 0;
}