<?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 73 on Jeanphilo Blog</title><link>https://shio-chan-dev.github.io/jeanblog/zh/tags/leetcode-73/</link><description>Recent content in LeetCode 73 on Jeanphilo Blog</description><generator>Hugo -- 0.159.2</generator><language>zh-cn</language><lastBuildDate>Sun, 01 Feb 2026 12:53:35 +0800</lastBuildDate><atom:link href="https://shio-chan-dev.github.io/jeanblog/zh/tags/leetcode-73/index.xml" rel="self" type="application/rss+xml"/><item><title>矩阵置零：用首行首列做标记实现原地 O(1) 空间（LeetCode 73）</title><link>https://shio-chan-dev.github.io/jeanblog/zh/alg/leetcode/hot100/73-set-matrix-zeroes/</link><pubDate>Sun, 01 Feb 2026 12:53:35 +0800</pubDate><guid>https://shio-chan-dev.github.io/jeanblog/zh/alg/leetcode/hot100/73-set-matrix-zeroes/</guid><description>把首行首列当作标记位，在不额外开集合的前提下原地完成矩阵置零；含思路推导、常见坑与多语言实现。</description></item></channel></rss>