LeetCode 124 on Jeanphilo Bloghttps://shio-chan-dev.github.io/jeanblog/tags/leetcode-124/Recent content in LeetCode 124 on Jeanphilo BlogHugo -- 0.161.1en-usMon, 20 Apr 2026 10:01:46 +0800Hot100: Binary Tree Maximum Path Sum (Tree DP / Single-Side Gain ACERS Guide)https://shio-chan-dev.github.io/jeanblog/alg/leetcode/hot100/binary-tree/124-binary-tree-maximum-path-sum/Mon, 20 Apr 2026 10:01:46 +0800https://shio-chan-dev.github.io/jeanblog/alg/leetcode/hot100/binary-tree/124-binary-tree-maximum-path-sum/A practical guide to LeetCode 124 covering the key design split: return only the best single-side gain upward, while using the full path through the current node to update a global answer.