<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>计算笔记</title><description>计算、算法与工程的学习笔记。</description><link>https://cheehenn-notes.pages.dev/</link><item><title>计算问题、表示与正确性</title><link>https://cheehenn-notes.pages.dev/blog/f1-computation-representation-correctness/</link><guid isPermaLink="true">https://cheehenn-notes.pages.dev/blog/f1-computation-representation-correctness/</guid><description>把“找一条最快路线”这类模糊需求变成可分析的计算问题:问题与实例、正确性关系 R ⊆ I×O、前置/后置条件、任务类型、编码与输入长度,以及正确性证明的基本结构。</description><pubDate>Sat, 25 Jul 2026 00:00:00 GMT</pubDate></item><item><title>你好,世界</title><link>https://cheehenn-notes.pages.dev/blog/hello-world/</link><guid isPermaLink="true">https://cheehenn-notes.pages.dev/blog/hello-world/</guid><description>第一篇文章。</description><pubDate>Fri, 24 Jul 2026 00:00:00 GMT</pubDate></item></channel></rss>