这道题我是百度的,数论一点也不会 = =
#include<stdio.h>
#include<math.h>
#define pi 3.14159265
int num,result;
void JC()
{
double t;
t = (num*log(num) - num + 0.5*log(2*num*pi))/log(10);
result = (int)t+1;
printf("%d\n",result);
}
int main()
{
int i,n;
scanf("%d",&n);
for( i=0 ; i<n ; i++ )
{
scanf("%d",&num);
JC();
}
return 0;
}