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  1. #include <stdio.h>
  2.  
  3. void quicksort(int (*comp)()){
  4.     printf("%d\n",comp());
  5. }
  6.  
  7. int first()
  8. {
  9.      return 1;
  10. }
  11.  
  12. int second(){
  13.  
  14.     return 2;
  15. }
  16.  
  17. int main()
  18. {
  19.     int a;
  20.     a = 0;
  21.     quicksort((int (*)())(a ? first : second)); /* !!!!!! */
  22.     a = 1;
  23.     quicksort((int (*)())(a ? first : second)); /* !!!!!! */
  24.  
  25.      return 0;
  26. }
Success #stdin #stdout 0s 4440KB
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https://ideone.com/99AaFY
language:
C (gcc 8.3)
created:
6 years ago
visibility:
public

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