Which of the following pair’s traversals on a binary tree can build the tree uniquely?
A. post-order and pre-order
B. post-order and in-order
C. post-order and level order
D. level order and preorder
Answer:B
Which of the following pair’s traversals on a binary tree can build the tree uniquely?
A. post-order and pre-order B. post-order and in-order C. post-order and level order D. level order and preorder