<?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>递归树 on xun's Blog</title><link>https://xungirl.github.io/tags/%E9%80%92%E5%BD%92%E6%A0%91/</link><description>Recent content in 递归树 on xun's Blog</description><generator>Hugo -- 0.168.0</generator><language>en</language><lastBuildDate>Mon, 12 Oct 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://xungirl.github.io/tags/%E9%80%92%E5%BD%92%E6%A0%91/index.xml" rel="self" type="application/rss+xml"/><item><title>2026-10-12 子集回溯树学习笔记：节点的 start 和它自己的循环</title><link>https://xungirl.github.io/posts/2026-10-12-subsets-start-loop/</link><pubDate>Mon, 12 Oct 2026 00:00:00 +0000</pubDate><guid>https://xungirl.github.io/posts/2026-10-12-subsets-start-loop/</guid><description>LC 78 子集画递归树时最容易错位的一点：每个节点都有「我的 start → 我的循环」和「循环里每个 i → 一个孩子」两件事，要分开看。附可逐步播放的动画、带缩进打印的验证代码和一张总表。中英双语。</description></item></channel></rss>