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  1. #include <stdio.h>
  2. int ackermann(int m, int n) {
  3.     if (m == 0) {
  4.         return n + 1;
  5.     } else if (m > 0 && n == 0) {
  6.         return ackermann(m-1, 1);
  7.     } else if (m > 0 && n > 0) {
  8.         return ackermann(m-1, ackermann(m, n-1));
  9.     } else {
  10.         return 0;
  11.     }
  12. }
  13. int main(void) {
  14.     int m = 4, n = 2;
  15.     printf ("Ackermann(%d,%d): ", m, n);
  16.     printf ("%d\n", ackermann(m, n));
  17.     return 0;
  18. }
Time limit exceeded #stdin #stdout 5s 3752KB
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https://ideone.com/6eMkC0
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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