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  1. #include<stdio.h>  
  2.  
  3. int foo(int n) {
  4. 	int i,sum=0;
  5. 	if(n==0) {
  6. 		return 1;
  7. 	}
  8. 	else {
  9. 		for(i=0;i<n;i++) {
  10. 			sum += foo(i);
  11. 		}
  12. 		return sum;
  13. 	}
  14. }
  15.  
  16. int main()  {
  17.  
  18.     int k = foo(3);
  19.  
  20.     printf("%d",k);
  21.     return 0;
  22. }
Success #stdin #stdout 0s 5292KB
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https://ideone.com/j3kB0p
language:
C (gcc 8.3)
created:
275 days ago
visibility:
public

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