Factorial

From , 5 Years ago, written in C++, viewed 205 times.
URL https://pastebin.vip/view/ea5a486c
  1. #include<stdio.h>
  2. double digui(int n);
  3. int main(void)
  4. {
  5.    int n;
  6.    printf("请输入 n:");
  7. scanf("%d",&n);
  8. printf("%lf\n",digui(n));
  9. return 0;
  10. }
  11. double digui(int n)
  12. {
  13. if(n==0||n==1)
  14. return 1;
  15. else
  16. return n*digui(n-1);
  17. }
  18.  

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