How to Solve Binary Tree Maximum Path Sum Problem
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Binary Tree Maximum Path Sum
A path in a binary tree is a sequence of nodes where each pair of adjacent nodes in the sequence has an edge connecting them. A node can only appear in the sequence at most once. Note that the path do...
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Understanding the Binary Tree Maximum Path Sum Problem
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Problem Statement
A path in a binary tree is a sequence of nodes where each pair of adjacent nodes in the sequence has an edge connecting them. A node can only appear in the sequence at most once. Note that the path does not need to pass through the root. The path sum of a path is the sum of the node's values in the path. Given the root of a binary tree, return the maximum path sum of any non-empty path.
Binary Tree Maximum Path Sum
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Examples
root = [1,2,3]6The optimal path is 2 -> 1 -> 3 with a path sum of 2 + 1 + 3 = 6.
root = [-10,9,20,null,null,15,7]42The optimal path is 15 -> 20 -> 7 with a path sum of 15 + 20 + 7 = 42.
Constraints
The number of nodes in the tree is in the range [1, 3 * 104].1000 <= Node.val <= 1000How Interview Coder Helps with Leetcode Problems
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