515. Find Largest Value in Each Tree Row

LeetCodeTreeDepth-First SearchBreadth-First SearchBinary TreeOpen on judge ↗

Given the root of a binary tree, return an array of the largest value in each row of the tree (0-indexed). Example 1: Input: root = [1,3,2,5,3,null,9] Output: [1,3,9] Example 2: Input: root = [1,2,3] Output: [1,3] Constraints: - The number of nodes in the tree will be in the range [0, 104]. - -231 <= Node.val <= 231 - 1

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solution.cppC++17

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