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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. long akkerman(long m , long n)
  5. {
  6. 	if (m==0) return n+1;
  7. 	if (m>0 && n==0) return akkerman(m-1, 1);
  8. 	return akkerman(m-1, akkerman(m, n-1));
  9. }
  10. int main() {
  11. 	// your code goes here
  12. 	std::cout<<akkerman(0,0)<<std::endl;
  13. 	std::cout<<akkerman(2,1)<<std::endl;
  14. 	std::cout<<akkerman(2,3)<<std::endl;
  15.  
  16. 	return 0;
  17. }
Success #stdin #stdout 0s 3468KB
comments (?)
stdin 
Standard input is empty
stdout 
1
5
9
https://ideone.com/CCrnm4
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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