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  1. #include <stdio.h>
  2. int ack(int m, int n)
  3. {
  4.     if (m == 0){
  5.         return n+1;
  6.     }
  7.     else if((m > 0) && (n == 0)){
  8.         return ack(m-1, 1);
  9.     }
  10.     else if((m > 0) && (n > 0)){
  11.         return ack(m-1, ack(m, n-1));
  12.     }
  13. }
  14.  
  15. int main(){
  16.     int A;
  17.     A = ack(1, 2);
  18.     printf("%d", A);
  19.     return 0;
  20. }
  21.  
Success #stdin #stdout 0.01s 5276KB
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https://ideone.com/qCYMml
language:
C (gcc 8.3)
created:
33 days ago
visibility:
public

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