zoj_1526 Big Number

//C++代码
//log10(n!)=log10(1)+log10(2)+...+log10(n)
#include<iostream>
#include<cmath>
using namespace std;

int main(){
int t,n,i;
cin>>t;
while(t--){
cin>>n;
double sum=0;
for(i=2;i<=n;i++) sum+=log10(i);
cout<<(int)sum+1<<endl;
}
return 0;
}