#height-of-a-binary-tree
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Problem Given the root of a binary tree, return the length of the diameter of the tree. The diameter of a binary tree is the length of the longest...
Problem statement Given a binary tree, determine if it is height-balanced.(link) Example 1: Input: root = [3,9,20,null,null,15,7] Output:...
Problem Given the root of a binary tree, return its maximum depth. A binary tree's maximum depth is the number of nodes along the longest path from...