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GATE | GATE-CS-2004 | Question 43

Consider the following C program segment c
struct CellNode
{
  struct CelINode *leftchild;
  int element;
  struct CelINode *rightChild;
}

int Dosomething(struct CelINode *ptr)
{
    int value = 0;
    if (ptr != NULL)
    {
      if (ptr->leftChild != NULL)
        value = 1 + DoSomething(ptr->leftChild);
      if (ptr->rightChild != NULL)
        value = max(value, 1 + DoSomething(ptr->rightChild));
    }
    return (value);
}
The value returned by the function DoSomething when a pointer to the root of a non-empty tree is passed as argument is

(A)

The number of leaf nodes in the tree

(B)

The number of nodes in the tree

(C)

The number of internal nodes in the tree

(D)

The height of the tree

Answer

Please comment below if you find anything wrong in the above post
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