#include "stdio.h"//
#include "math.h"//
double mylog(int x){
靜態雙m = 0.0
if(x & gt;1)my log(x-1);
返回m+= log(x);
}
無效主(無效){
int n;
Printf("請輸入正整數!\ nn = ");
scanf("%d ",& ampn);
printf("%f\n ",my log(n));