1、题目:
2、代码:
#include<stdio.h>
#define PI 3.141592654
#define E 2.71828182846
#include<math.h>
int main()
{
int n;
scanf("%d",&n);
int result=1;
result=log10(2*PI*n)/2+n*log10(n/E)+1;
printf("%d
",result);
return 0;
}
#include<stdio.h>
#define PI 3.141592654
#define E 2.71828182846
#include<math.h>
int main()
{
int n;
scanf("%d",&n);
int result=1;
result=log10(2*PI*n)/2+n*log10(n/E)+1;
printf("%d
",result);
return 0;
}