<?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>二进制 on Jeanphilo Blog</title><link>https://shio-chan-dev.github.io/jeanblog/zh/tags/%E4%BA%8C%E8%BF%9B%E5%88%B6/</link><description>Recent content in 二进制 on Jeanphilo Blog</description><generator>Hugo -- 0.159.2</generator><language>zh-cn</language><lastBuildDate>Wed, 21 Jan 2026 13:22:53 +0800</lastBuildDate><atom:link href="https://shio-chan-dev.github.io/jeanblog/zh/tags/%E4%BA%8C%E8%BF%9B%E5%88%B6/index.xml" rel="self" type="application/rss+xml"/><item><title>判断一个数是否为 2 的幂（Power of Two）：位运算 O(1) ACERS 解析（LeetCode 231）</title><link>https://shio-chan-dev.github.io/jeanblog/zh/alg/leetcode/231-power-of-two/</link><pubDate>Wed, 21 Jan 2026 13:22:53 +0800</pubDate><guid>https://shio-chan-dev.github.io/jeanblog/zh/alg/leetcode/231-power-of-two/</guid><description>用位运算 O(1) 判断整数是否为 2 的幂，含工程场景、常见误区与多语言实现。</description></item></channel></rss>