Maximum Depth of Binary Tree: Given the root of a binary tree, return its maximum depth.
read moreMaximum Depth of Binary Tree: Given the root of a binary tree, return its maximum depth.
read moreMerge Two Binary Trees: You are given two binary trees root1 and root2.
read moreSubtree of Another Tree: Given the roots of two binary trees root and subRoot, return true if there is a subtree of root with the same structure and node values of subRoot and false otherwise.
read moreSame Tree: Given the roots of two binary trees p and q, write a function to check if they are the same or not.
read moreInvert A Binary Tree: Given the root of a binary tree, invert the tree, and return its root.
read moreFind Smallest Letter Greater Than Target: You are given an array of characters letters that is sorted in non-decreasing order, and a character target.
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