How many top trees are there in a tree with single vertex?

Category: QuestionsHow many top trees are there in a tree with single vertex?
Editor">Editor Staff asked 1 month ago

How many top trees are there in a tree with single vertex?
 
(a) 0
 
(b) 1
 
(c) 2
 
(d) 3
 
I’m obligated to ask this question of Binary Trees topic in division Binary Trees of Data Structures & Algorithms I
 
I got this question in examination.

1 Answers
Editor">Editor Staff answered 1 month ago

The correct option is (a) 0
 
The best explanation: Tree having a single vertex has no clusters of tree present in the structure. Therefore, there are empty top trees in a tree having a single vertex. Trees with one node are single node.