<?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>回溯 on Jeanphilo Blog</title><link>https://shio-chan-dev.github.io/jeanblog/zh/tags/%E5%9B%9E%E6%BA%AF/</link><description>Recent content in 回溯 on Jeanphilo Blog</description><generator>Hugo -- 0.159.2</generator><language>zh-cn</language><lastBuildDate>Thu, 02 Apr 2026 13:48:57 +0800</lastBuildDate><atom:link href="https://shio-chan-dev.github.io/jeanblog/zh/tags/%E5%9B%9E%E6%BA%AF/index.xml" rel="self" type="application/rss+xml"/><item><title>Hot100：电话号码的字母组合（Letter Combinations of a Phone Number）固定层数 DFS ACERS 解析</title><link>https://shio-chan-dev.github.io/jeanblog/zh/alg/leetcode/hot100/backtracking/17-letter-combinations-of-a-phone-number/</link><pubDate>Thu, 02 Apr 2026 13:48:57 +0800</pubDate><guid>https://shio-chan-dev.github.io/jeanblog/zh/alg/leetcode/hot100/backtracking/17-letter-combinations-of-a-phone-number/</guid><description>围绕 LeetCode 17 讲清固定层数 DFS、数字到字母映射与多语言实现。</description></item><item><title>Hot100：全排列（Permutations）used[] 状态回溯模板 ACERS 解析</title><link>https://shio-chan-dev.github.io/jeanblog/zh/alg/leetcode/hot100/backtracking/46-permutations/</link><pubDate>Thu, 02 Apr 2026 13:48:57 +0800</pubDate><guid>https://shio-chan-dev.github.io/jeanblog/zh/alg/leetcode/hot100/backtracking/46-permutations/</guid><description>围绕 LeetCode 46 全排列，讲清 used[] 状态控制、叶子收集答案与多语言实现。</description></item><item><title>Hot100：子集（Subsets）回溯枚举 / startIndex 模板 ACERS 解析</title><link>https://shio-chan-dev.github.io/jeanblog/zh/alg/leetcode/hot100/backtracking/78-subsets/</link><pubDate>Thu, 02 Apr 2026 13:48:57 +0800</pubDate><guid>https://shio-chan-dev.github.io/jeanblog/zh/alg/leetcode/hot100/backtracking/78-subsets/</guid><description>围绕 LeetCode 78 子集，讲清回溯树、startIndex 边界与多语言可运行实现。</description></item><item><title>Hot100：组合总和（Combination Sum）回溯剪枝 / 可重复选取 ACERS 解析</title><link>https://shio-chan-dev.github.io/jeanblog/zh/alg/leetcode/hot100/backtracking/39-combination-sum/</link><pubDate>Thu, 02 Apr 2026 13:48:57 +0800</pubDate><guid>https://shio-chan-dev.github.io/jeanblog/zh/alg/leetcode/hot100/backtracking/39-combination-sum/</guid><description>围绕 LeetCode 39 讲清可重复选取、排序剪枝与组合型回溯实现。</description></item></channel></rss>