共计 9 篇文章
2025
题解 - QOJ 10019 Gold Coins
题解 - AGC071A XOR Cross Over
题解 - AGC064D Red and Blue Chips
2024
题解 - Codeforces 2039 F1/F2 Shohag Loves Counting
题解 - Aizu 2993 Invariant Tree
题解 - ARC118E Avoid Permutations
题解 - ZR 2925 逆序对(inversion)
题解 - Luogu P8256 [NOI Online 2022 入门组] 字符串
题解 - QOJ 7766 栞