<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>龚晨昊</title><description>项目复盘、力扣刷题总结与技术随想</description><link>https://gongchenhao.cn/</link><item><title>力扣 283. 移动零：快慢双指针与 C++ 原地引用传参</title><link>https://gongchenhao.cn/posts/leetcode/leetcode-0283-move-zeroes/</link><guid isPermaLink="true">https://gongchenhao.cn/posts/leetcode/leetcode-0283-move-zeroes/</guid><description>移动零的三种解法与原地操作精髓：辅助数组、覆盖补零到快慢指针交换，并剖析 C++ 引用传参 vector&lt;int&gt;&amp; 的核心本质。</description><pubDate>Wed, 04 Nov 2026 07:24:00 GMT</pubDate></item><item><title>力扣 128. 最长连续序列：用 unordered_set 拿下 O(n)</title><link>https://gongchenhao.cn/posts/leetcode/leetcode-0128-longest-consecutive/</link><guid isPermaLink="true">https://gongchenhao.cn/posts/leetcode/leetcode-0128-longest-consecutive/</guid><description>解析力扣 128 题最长连续序列：为什么排序被否决、如何用哈希集合去重，以及通过「只从连续段头起跑」将复杂度稳定压在 O(n) 的核心思维。</description><pubDate>Wed, 04 Nov 2026 07:23:00 GMT</pubDate></item><item><title>力扣 49. 字母异位词分组：C++ 二维 vector 与字符签名</title><link>https://gongchenhao.cn/posts/leetcode/leetcode-0049-group-anagrams/</link><guid isPermaLink="true">https://gongchenhao.cn/posts/leetcode/leetcode-0049-group-anagrams/</guid><description>字母异位词分组的 C++ 深入解析：从组长招募法到排序签名与 26 位计数法，彻底理清 vector&lt;vector&lt;string&gt;&gt; 的锯齿结构与传参细节。</description><pubDate>Wed, 04 Nov 2026 07:22:00 GMT</pubDate></item><item><title>力扣 11. 盛最多水的容器：对撞双指针与短板淘汰证明</title><link>https://gongchenhao.cn/posts/leetcode/leetcode-0011-container-with-most-water/</link><guid isPermaLink="true">https://gongchenhao.cn/posts/leetcode/leetcode-0011-container-with-most-water/</guid><description>盛最多水的容器双指针解法深度推导：从数学公式证明为什么必须移动短板，以及指针跳跃消除无效计算的进阶技巧。</description><pubDate>Wed, 04 Nov 2026 07:21:00 GMT</pubDate></item><item><title>力扣 1. 两数之和：从暴力到单遍哈希的 C++ 演进</title><link>https://gongchenhao.cn/posts/leetcode/leetcode-0001-two-sum/</link><guid isPermaLink="true">https://gongchenhao.cn/posts/leetcode/leetcode-0001-two-sum/</guid><description>两数之和的三种 C++ 解法演进：暴力 O(n^2)、两次哈希到单遍哈希，以及 unordered_map operator[] 会悄悄插入的经典大坑。</description><pubDate>Wed, 04 Nov 2026 07:20:00 GMT</pubDate></item><item><title>用 REA 逆向一款虚拟定位 App，把自己的免 root 定位工具做成</title><link>https://gongchenhao.cn/posts/projects/rea-reverse-fakegps/</link><guid isPermaLink="true">https://gongchenhao.cn/posts/projects/rea-reverse-fakegps/</guid><description>高德打开 5 秒就跳回真实位置，用 REA + jadx 看清一款闭源虚拟定位 App 的做法，对齐后在小米上跑通。</description><pubDate>Wed, 04 Nov 2026 05:59:36 GMT</pubDate></item><item><title>从零搭建个人网站：域名、简历站与博客</title><link>https://gongchenhao.cn/posts/projects/personal-website/</link><guid isPermaLink="true">https://gongchenhao.cn/posts/projects/personal-website/</guid><description>记录购买 gongchenhao.cn、用 developerFolio 做简历站、用 Astro 搭博客的全过程和踩过的坑。</description><pubDate>Tue, 03 Nov 2026 02:00:00 GMT</pubDate></item><item><title>为什么我开始写博客</title><link>https://gongchenhao.cn/posts/thoughts/why-i-blog/</link><guid isPermaLink="true">https://gongchenhao.cn/posts/thoughts/why-i-blog/</guid><description>写博客不是为了流量，而是逼自己把事情想清楚。</description><pubDate>Sun, 01 Nov 2026 13:00:00 GMT</pubDate></item></channel></rss>