fork download
copy 
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. unsigned long long int ackermann(unsigned long long int m,unsigned long long int n){
  5. 	if(m==0){
  6. 		return n+1;
  7. 	}else if(m>0&&n==0){
  8. 		return ackermann(m-1,1);
  9. 	}else if(m>0&&n>0){
  10. 		return ackermann(m-1,ackermann(m,n-1));
  11. 	}
  12. }
  13. int main() {
  14. 	unsigned long long int x;
  15. 	x=ackermann(3,6);
  16. 	cout<<x;
  17. 	return 0;
  18. }
Success #stdin #stdout 0s 3140KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
509
https://ideone.com/RZuRlg
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!