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  1. #include <stdio.h>
  2.  
  3. int a(int n){
  4. 	if(n==0)
  5. 	return 0;
  6.  
  7. 	else
  8. 	return 2*a(n-1)+3;
  9. }
  10.  
  11. int main(void) {
  12. 	printf("%d",a(5));
  13. 	return 0;
  14. }
  15.  
Success #stdin #stdout 0s 5272KB
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Standard input is empty
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93
https://ideone.com/VBdCjk
language:
C (gcc 8.3)
created:
45 days ago
visibility:
public

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