<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>BST on Jeanphilo Blog</title><link>https://shio-chan-dev.github.io/jeanblog/tags/bst/</link><description>Recent content in BST on Jeanphilo Blog</description><generator>Hugo -- 0.161.1</generator><language>en-us</language><lastBuildDate>Mon, 20 Apr 2026 10:01:46 +0800</lastBuildDate><atom:link href="https://shio-chan-dev.github.io/jeanblog/tags/bst/index.xml" rel="self" type="application/rss+xml"/><item><title>Hot100: Convert Sorted Array to Binary Search Tree (Midpoint Divide-and-Conquer ACERS Guide)</title><link>https://shio-chan-dev.github.io/jeanblog/alg/leetcode/hot100/binary-tree/108-convert-sorted-array-to-binary-search-tree/</link><pubDate>Mon, 20 Apr 2026 10:01:46 +0800</pubDate><guid>https://shio-chan-dev.github.io/jeanblog/alg/leetcode/hot100/binary-tree/108-convert-sorted-array-to-binary-search-tree/</guid><description>A practical guide to LeetCode 108 covering why the midpoint is the natural root, how sorted order and balance requirements work together, and how to build the BST with stable index recursion.</description></item><item><title>Hot100: Kth Smallest Element in a BST (Inorder Counting / Early Stop ACERS Guide)</title><link>https://shio-chan-dev.github.io/jeanblog/alg/leetcode/hot100/binary-tree/230-kth-smallest-element-in-a-bst/</link><pubDate>Mon, 20 Apr 2026 10:01:46 +0800</pubDate><guid>https://shio-chan-dev.github.io/jeanblog/alg/leetcode/hot100/binary-tree/230-kth-smallest-element-in-a-bst/</guid><description>A practical guide to LeetCode 230 covering why inorder traversal of a BST is sorted, how to count visits with an explicit stack, and how to stop immediately at the k-th node.</description></item><item><title>Hot100: Validate Binary Search Tree (Range Constraints / Inorder ACERS Guide)</title><link>https://shio-chan-dev.github.io/jeanblog/alg/leetcode/hot100/binary-tree/98-validate-binary-search-tree/</link><pubDate>Sun, 19 Apr 2026 15:13:19 +0800</pubDate><guid>https://shio-chan-dev.github.io/jeanblog/alg/leetcode/hot100/binary-tree/98-validate-binary-search-tree/</guid><description>A practical guide to LeetCode 98 covering ancestor range constraints, why parent-only checks fail, and two stable solutions: recursive bounds and inorder validation.</description></item></channel></rss>