https://answer.freetools.me/tags/%E8%B7%AF%E5%BE%84%E5%8E%8B%E7%BC%A9/ Recent content in 路径压缩 on Answer Hugo -- 0.152.2 zh-cn Sun, 08 Mar 2026 20:39:07 +0800 https://answer.freetools.me/%E5%B9%B6%E6%9F%A5%E9%9B%86%E4%BB%8E%E7%A4%BE%E4%BA%A4%E7%BD%91%E7%BB%9C%E8%BF%9E%E9%80%9A%E6%80%A7%E5%88%B0leetcode%E9%80%9A%E5%85%B3%E7%9A%84%E5%AE%8C%E6%95%B4%E6%8C%87%E5%8D%97/ Sun, 08 Mar 2026 20:39:07 +0800 https://answer.freetools.me/%E5%B9%B6%E6%9F%A5%E9%9B%86%E4%BB%8E%E7%A4%BE%E4%BA%A4%E7%BD%91%E7%BB%9C%E8%BF%9E%E9%80%9A%E6%80%A7%E5%88%B0leetcode%E9%80%9A%E5%85%B3%E7%9A%84%E5%AE%8C%E6%95%B4%E6%8C%87%E5%8D%97/ 一篇系统讲解并查集数据结构的深度教程，从核心原理到路径压缩与按秩合并的优化技巧，结合LeetCode经典题目（547/684/721/990/765/947/1202/1319/952/1697等）的完整Java实现与复杂度分析，帮助彻底掌握这一面试高频数据结构。