Trees Interview Questions
Trees Mock Interviews
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Trees Interview questions and solutions
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Given an array of integers, transform the array in-place to a max heap.
Two elements of a binary search tree (BST) are swapped by mistake. Recover the tree without changing its structure.
Given a binary tree, extract all the leaves in repeated succession into a list of lists by starting at the bottom and working your way upwards.
Given the root of a complete binary tree, return the number of nodes in the tree.
The boundary of a binary tree is the concatenation of the root, the left boundary, the leaves ordered from left-to-right, and the reverse order of the right boundary.
Given the root of a binary tree, imagine yourself standing on the right side of it, return the values of the nodes you can see ordered from top to bottom.
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