Q. 46 Consider the following New-order strategy for traversing a binary tree:
Visit the root;
Visit the right subtree using New-order
Visit the left subtree using New-order
The New-order traversal of the expression tree corresponding to the reverse polish expression 3 4 * 5 – 2 ˆ 6 7 * 1 + – is given by:
(A) + – 1 6 7 * 2 ˆ 5 – 3 4 *
(B) – + 1 * 6 7 ˆ 2 – 5 * 3 4
(C) – + 1 * 7 6 ˆ 2 – 5 * 4 3
(D) 1 7 6 * + 2 5 4 3 * – ˆ –
Answer: (C)
Explanation:
