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.

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