Trees - Intermediate Practice Problems Online

How many distinct binary search trees can be created out of $4$ distinct trees?

Which of the following is true about Binary trees?

Details and Assumptions

A full binary tree is a tree in which every node other than the leaves has two children.

A complete binary tree is a binary tree in which every level, except possibly the last, is completely filled, and all nodes are as far left as possible.

No binary tree is both complete and full. None Every complete binary tree is also a full binary tree Every full binary tree is also a complete binary tree Every binary tree is either complete or full

Consider a complete binary tree where the left and the right subtrees of the root are max-heaps. What is the lower bound for the number of operations to convert the tree to a heap?

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Trees - Intermediate