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  1. #include <stdio.h>
  2. int sum = 0;
  3. void fun(int i)
  4. {
  5. 	if(i<0)
  6. 		return;
  7. 	else{
  8. 	sum+=i;
  9. 	fun(--i);
  10. 	fun(i--);
  11. 	sum+=i;
  12. }
  13. }
  14. int main(void) {
  15. 	// your code goes here
  16. 	fun(5);
  17. 	printf("%d",sum);
  18. 	return 0;
  19. }
  20.  
Success #stdin #stdout 0s 9424KB
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-12
https://ideone.com/8ppJTb
language:
C (gcc 8.3)
created:
5 years ago
visibility:
public

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