ACM
二〇二〇
- Codeforces Global Round 7 D. Prefix-Suffix Palindrome
- HDU ACM练习赛1 硬币游戏
- Codeforces Round 625 D Navigation System
二〇一九
- AtCoder Beginner Contest 146
- CF1255C League of Leesins
- CF1262D2 Optimal Subsequences (Hard Version)
- CF1262D1 Optimal Subsequences (Easy Version)
- CF1262C Messy
- AtCoder Beginner Contest 145
- P2312 解方程
- CF1239A Ivan the Fool and the Probability Theory
- CF1257C Dominated Subarray
- tyvj1340 送礼物
- hdu4388 Stone Game II