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简略介绍两类向量数据库索引技术，探讨如何高效地存储和查询大量向量数据

我喜欢拿着一把直径 125 厘米的伞在暴雨中散步

AI 的数学基础学习笔记，涵盖距离、概率等概念

Swift 语言中奇特语法表达式的笔记

《大学生心理健康》例行作业：每周的三件好事

关于我的新博客的一些思考和感悟，以及对过去和未来的反思

Solution for ABC285Ex - using inclusion-exclusion principle and generating functions to count arrangements without square numbers

01-28 模拟赛总结

TJOI2019 problem solution - counting valid queue arrangements without specific consecutive patterns

NOI2016 problem solution - counting fractions that form repeating decimals in k-base number system

多项式算法学习笔记，包括 NTT、FFT 等

11-22 模拟赛笔记

11-21 模拟赛总结

11-17 模拟赛题解

10-30 模拟赛题解

Tree problem solution - calculating contribution of elements in sets without ancestor-descendant relationships

扩展卢卡斯定理学习笔记，解决模非质数时的组合数计算问题

OI 竞赛随手笔记，包含算法技巧和解题心得

Solution for stamp collecting problem - expected value dynamic programming

CQOI 2014 problem solution - counting triangles in n×m grid using combinatorics

Solution for classroom switching problem - dynamic programming with probability and shortest path

10-28 模拟赛题解

Linux 系统折腾记录，包含配置和优化笔记