- Mar 6, 2026 AtCoder Solutions 1→
Short English draft for the Chinese post "AtCoder 题解整理 1：数论、二分与表示". Includes a short English preview for bilingual page switching.
Lang English Competitive Programming · Solutions · atcoder · Number Theory - Mar 6, 2026 Codeforces Solutions 3→
Short English draft for the Chinese post "Codeforces 题解整理 3：数论、博弈、组合与 EDU". Includes a short English preview for bilingual page switching.
Lang English Competitive Programming · Solutions · codeforces · Number Theory - Sep 13, 2024 Mobius Inversion Notes→
Short English draft for the Chinese post "从卷积到反演：莫比乌斯反演在做什么". Includes a minimal summary so bilingual routing can be tested.
Lang English Algorithms · Number Theory · Mobius Inversion · Dirichlet Convolution - Oct 27, 2023 Linear Sieve Notes→
Short English draft for the Chinese post "筛法不只是筛素数：线性筛的统一视角". Includes a minimal summary so bilingual routing can be tested.
Lang English Algorithms · Number Theory · Sieve Methods · Linear Sieve - Oct 23, 2023 Number Theory Basics→
Short English draft for the Chinese post "从整除到同余：数论入门该抓什么". Includes a minimal summary so bilingual routing can be tested.
Lang English Algorithms · Number Theory · Basics · Euclidean Algorithm