| #15001 | Kth 1 | |
| #15023 | 巧克力THUSC 2017 Day 1 | |
| #15024 | 杜老师THUSC 2017 Day 1 | |
| #15025 | 换桌THUSC 2017 Day 1 | |
| #15026 | 大魔法师THUSC 2017 Day 2 | |
| #15027 | 如果奇迹有颜色THUSC 2017 Day 2 | |
| #15028 | 宇宙广播THUSC 2017 Day 2Output Only | |
| #15029 | 在美妙的数学王国中畅游THUWC 2017 | |
| #15030 | 随机二分图THUWC 2017 | |
| #15031 | 大葱的神力THUWC 2017Output Only | |
| #15032 | CipherCCPC Jinan 2025 | |
| #15033 | FortressCCPC Jinan 2025 | |
| #15034 | Finding KeywordsCCPC Jinan 2025 | |
| #15035 | LighthouseCCPC Jinan 2025 | |
| #15036 | Tree and Subgraph ProblemCCPC Jinan 2025 | |
| #15037 | Grid Filling GameCCPC Jinan 2025 | |
| #15038 | Make SYSU Great Again IVCCPC Jinan 2025 | |
| #15039 | HashingCCPC Jinan 2025 | |
| #15040 | I Love CCPCCCPC Jinan 2025 | |
| #15041 | Memory, Permutation, and Rooted TreeCCPC Jinan 2025 | |
| #15042 | Card GameCCPC Jinan 2025 | |
| #15043 | Activity RehearsalCCPC Jinan 2025 | |
| #15044 | MEX ProblemCCPC Jinan 2025 | |
| #15045 | 猜数字SNOI 2018 Day 1 | |
| #15046 | 移动车位SNOI 2018 Day 1 | |
| #15047 | 游戏人生SNOI 2018 Day 1 | |
| #15048 | 区间取数游戏SNOI 2018 Day 2 | |
| #15049 | 宝宝的难题SNOI 2018 Day 2 | |
| #15050 | 破解谜题SNOI 2018 Day 2 | |
| #15051 | 电信网络JSOI 2014 Round 1 | |
| #15052 | 打兔子JSOI 2014 Round 1 | |
| #15053 | 序列维护JSOI 2014 Round 1 | |
| #15054 | 支线剧情 2JSOI 2014 Round 3 Day 1 | |
| #15055 | 病毒分类JSOI 2014 Round 3 Day 1 | |
| #15056 | 强连通图JSOI 2014 Round 3 Day 1 | |
| #15057 | 歌剧表演JSOI 2014 Round 3 Day 2 | |
| #15058 | 士兵部署JSOI 2014 Round 3 Day 2 | |
| #15059 | 回文串JSOI 2014 Round 3 Day 2 | |
| #15060 | 异或回路JSOI 2014 Finals Day 1 | |
| #15061 | 学生选课JSOI 2014 Finals Day 1 | |
| #15062 | 云存储JSOI 2014 Finals Day 1 | |
| #15063 | 矩形并JSOI 2014 Finals Day 2 | |
| #15064 | 格力高JSOI 2014 Finals Day 2 | |
| #15065 | 序列和JSOI 2014 Finals Day 2 | |
| #15066 | salesmanJSOI 2015 Round 1 | |
| #15067 | symmetryJSOI 2015 Round 1 | |
| #15068 | isomorphismJSOI 2015 Round 1 | |