https://shio-chan-dev.github.io/jeanblog/tags/binary-tree/Recent content in Binary Tree on Jeanphilo BlogHugo -- 0.159.2en-usMon, 16 Mar 2026 13:00:56 +0800https://shio-chan-dev.github.io/jeanblog/alg/leetcode/hot100/binary-tree/102-binary-tree-level-order-traversal/Mon, 16 Mar 2026 13:00:56 +0800https://shio-chan-dev.github.io/jeanblog/alg/leetcode/hot100/binary-tree/102-binary-tree-level-order-traversal/A practical guide to LeetCode 102 covering level-by-level BFS, level-size boundaries, DFS depth buckets, and runnable multi-language implementations.https://shio-chan-dev.github.io/jeanblog/alg/leetcode/hot100/binary-tree/101-symmetric-tree/Mon, 16 Mar 2026 13:00:55 +0800https://shio-chan-dev.github.io/jeanblog/alg/leetcode/hot100/binary-tree/101-symmetric-tree/A practical guide to LeetCode 101 covering mirror recursion, pairwise BFS checks, symmetry contracts, and runnable multi-language implementations.https://shio-chan-dev.github.io/jeanblog/alg/leetcode/hot100/binary-tree/100-same-tree/Mon, 16 Mar 2026 13:00:54 +0800https://shio-chan-dev.github.io/jeanblog/alg/leetcode/hot100/binary-tree/100-same-tree/A practical guide to LeetCode 100 covering synchronous recursion, pairwise BFS validation, structural equivalence, and runnable multi-language implementations.https://shio-chan-dev.github.io/jeanblog/alg/leetcode/hot100/binary-tree/226-invert-binary-tree/Fri, 06 Mar 2026 17:58:23 +0800https://shio-chan-dev.github.io/jeanblog/alg/leetcode/hot100/binary-tree/226-invert-binary-tree/A practical guide to LeetCode 226 covering tree mirroring, recursive left-right swaps, BFS traversal, and engineering mappings.https://shio-chan-dev.github.io/jeanblog/alg/leetcode/hot100/binary-tree/104-maximum-depth-of-binary-tree/Fri, 06 Mar 2026 17:58:22 +0800https://shio-chan-dev.github.io/jeanblog/alg/leetcode/hot100/binary-tree/104-maximum-depth-of-binary-tree/A practical guide to LeetCode 104 covering the depth definition, recursive DFS, level-order BFS, engineering mappings, and runnable multi-language implementations.https://shio-chan-dev.github.io/jeanblog/alg/leetcode/hot100/binary-tree/94-binary-tree-inorder-traversal/Fri, 06 Mar 2026 17:58:21 +0800https://shio-chan-dev.github.io/jeanblog/alg/leetcode/hot100/binary-tree/94-binary-tree-inorder-traversal/A practical guide to LeetCode 94 covering left-root-right traversal, recursion, explicit stacks, engineering mappings, and runnable multi-language implementations.https://shio-chan-dev.github.io/jeanblog/alg/leetcode/437-path-sum-iii/Wed, 04 Feb 2026 16:02:26 +0800https://shio-chan-dev.github.io/jeanblog/alg/leetcode/437-path-sum-iii/Count downward paths in a binary tree whose sum equals targetSum in O(n) using prefix sums and a frequency hash map, with derivation, engineering mapping, and multi-language implementations.