GATE | GATE CS 2018 | Question 14

Consider the following C program:

#include <stdio.h>

int counter = 0;

int calc(int a, int b) {
  int c;

  counter++;
  if (b == 3)
    return (a * a * a);
  else {
    c = calc(a, b / 3);
    return (c * c * c);
  }
}

int main() {
  calc(4, 81);
  printf("%d", counter);
}

The output of this program is ________ .

Note – This was Numerical Type question.
(A) 5
(B) 4
(C) 3
(D) None of these


Answer: (B)

Explanation:

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