A graph is a tree if and only if graph is

Related MCQs

• Consider the following data. The pre order traversal of a binary tree is A, B, E, C, D. The in order traversal of the same binary tree is B, E, A, D, C. The level order sequence for the binary tree is
• When converting binary tree into extended binary tree, all the original nodes in binary tree are___________.
• In a directed tree if the ordering of the nodes at each level is prescribed then such a tree is called_______ tree.
• A binary tree in which all its levels except the last, have maximum numbers of nodes, and all the nodes in the last level have only one child it will be its left child. Name the tree.
• The pre-order and in-order are traversals of a binary tree are T M L N P O Q and L M N T O P Q. Which of following is post-order traversal of the tree?
• A binary search tree contains values 7, 8, 13, 26, 35, 40, 70, 75. Which one of the following is a valid post-order sequence of the tree provided the pre-order sequence as 35, 13, 7, 8, 26, 70, 40 and 75?
• Which of the following pair’s traversals on a binary tree can build the tree uniquely?
• The binary tree sort implemented using a self – balancing binary search tree takes time is worst case.
• An AVL tree is a self – balancing binary search tree, in which the heights of the two child sub trees of any node differ by
• Given an empty AVL tree, how would you construct AVL tree when a set of numbers are given without performing any rotations?