Algorithms | Recursion | Question 3

What does the following function print for n = 25? 

C

void fun(int n)
{
  if (n == 0)
    return;

  printf(\"%d\", n%2);
  fun(n/2);
}

(A)

11001

(B)

10011

(C)

11111

(D)

00000

Answer: (B)
Explanation:

The function mainly prints binary representation in reverse order.  
And the binary representation of 25: 11001
its reverse is = 10011.

Hence (B) is the correct answer.

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