<?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>LeetCode 240 on Jeanphilo Blog</title><link>https://shio-chan-dev.github.io/jeanblog/zh/tags/leetcode-240/</link><description>Recent content in LeetCode 240 on Jeanphilo Blog</description><generator>Hugo -- 0.159.2</generator><language>zh-cn</language><lastBuildDate>Sun, 01 Feb 2026 13:56:55 +0800</lastBuildDate><atom:link href="https://shio-chan-dev.github.io/jeanblog/zh/tags/leetcode-240/index.xml" rel="self" type="application/rss+xml"/><item><title>Hot100：搜索二维矩阵 II（Search a 2D Matrix II）右上角阶梯搜索 O(m+n) ACERS 解析</title><link>https://shio-chan-dev.github.io/jeanblog/zh/alg/leetcode/hot100/240-search-a-2d-matrix-ii/</link><pubDate>Sun, 01 Feb 2026 13:56:55 +0800</pubDate><guid>https://shio-chan-dev.github.io/jeanblog/zh/alg/leetcode/hot100/240-search-a-2d-matrix-ii/</guid><description>行列均升序的矩阵查找 target：从右上角出发每步排除一行或一列，O(m+n) 时间、O(1) 空间；含推导、工程迁移与多语言实现。</description></item></channel></rss>