Q. Which of the following pair’s traversals on a binary tree can build the tree uniquely? (Solved)
1. post-order and pre-order
2. post-order and in-order
3. post-order and level order
4. level order and preorder
- b. post-order and in-order
1. post-order and pre-order
2. post-order and in-order
3. post-order and level order
4. level order and preorder