| #15201 | Good StringHebei Provincial 2022 | |
| #15202 | GCD On SequenceHebei Provincial 2022 | |
| #15203 | One Place 2Hebei Provincial 2022 | |
| #15204 | Ori and Mouldwood DepthsHebei Provincial 2022 | |
| #15205 | Grid PaperHebei Provincial 2022 | |
| #15206 | Solution PreparationHebei Provincial 2023 | |
| #15207 | 2D Gray CodeHebei Provincial 2023 | |
| #15208 | Path CountingHebei Provincial 2023 | |
| #15209 | BarrierHebei Provincial 2023 | |
| #15210 | RouterHebei Provincial 2023 | |
| #15211 | 初来乍到Hebei Provincial 2023 | |
| #15212 | BricksHebei Provincial 2023 | |
| #15213 | SakuraHebei Provincial 2023 | |
| #15214 | go to sleepHebei Provincial 2023 | |
| #15215 | 骨牌游戏Hebei Provincial 2023 | |
| #15216 | 2048Hebei Provincial 2023 | |
| #15217 | Base ConversionHebei Provincial 2023 | |
| #15218 | 粉刷匠Hebei Provincial 2023 | |
| #15219 | UpdateHebei Provincial 2024 | |
| #15220 | Sequence IIHebei Provincial 2024 | |
| #15221 | Goose Goose DuckHebei Provincial 2024 | |
| #15222 | CCPCHebei Provincial 2024 | |
| #15223 | Breakfast IIHebei Provincial 2024 | |
| #15224 | 3 SplitHebei Provincial 2024 | |
| #15225 | BraceletHebei Provincial 2024 | |
| #15226 | Missing IrisHebei Provincial 2024 | |
| #15227 | SubnetHebei Provincial 2024 | |
| #15228 | Iris' FoodHebei Provincial 2024 | |
| #15229 | WelcomeHebei Provincial 2024 | |
| #15230 | 棋盘Hebei Provincial 2025 | |
| #15231 | 石楠花的约定Hebei Provincial 2025 | |
| #15232 | 年少的誓约Hebei Provincial 2025 | |
| #15233 | 金麦园Hebei Provincial 2025 | |
| #15234 | 圣巢万神殿Hebei Provincial 2025 | |
| #15235 | 不死国的生命树Hebei Provincial 2025 | |
| #15236 | 精确的浪漫Hebei Provincial 2025 | |
| #15237 | What is all you need?Hebei Provincial 2025 | |
| #15238 | 感染Hebei Provincial 2025 | |
| #15239 | Generate 01 StringHebei Provincial 2025 | |
| #15240 | UNO！Hebei Provincial 2025 | |
| #15241 | 通信拦截Hebei Provincial 2025 | |
| #15242 | 第九届河北省大学生程序设计竞赛Hebei Provincial 2025 | |
| #15243 | 匹配TJOI 2014 Day 1 | |
| #15244 | 电源插排TJOI 2014 Day 1 | |
| #15245 | 拼图TJOI 2014 Day 1 | |
| #15246 | 上升子序列TJOI 2014 Day 2 | |
| #15247 | Alice and BobTJOI 2014 Day 2 | |
| #15248 | 电影评分TJOI 2014 Day 2 | |
| #15249 | 成绩单THUSC 2016 | |
| #15250 | 补退选THUSC 2016 | |
| #15251 | 星露谷物语THUSC 2016Output Only | |
| #15252 | AlliancesCEOI 2010 Day 1 | |
| #15253 | Arithmetic RectangleCEOI 2010 Day 1 | |
| #15254 | BodyguardsCEOI 2010 Day 1 | |
| #15255 | MP3 PlayerCEOI 2010 Day 2 | |
| #15256 | PINCEOI 2010 Day 2 | |
| #15257 | A Huge TowerCEOI 2010 Day 2 | |
| #15277 | Cop and RobberBaltic OI 2014 Day 1Interactive | |
| #15278 | Three FriendsBaltic OI 2014 Day 1 | |
| #15279 | SequenceBaltic OI 2014 Day 1 | |
| #15280 | DemarcationBaltic OI 2014 Day 2 | |
| #15281 | PortalsBaltic OI 2014 Day 2 | |
| #15282 | Senior PostmenBaltic OI 2014 Day 2 | |
| #15283 | 点到线段距离 | |
| #15284 | 线段到线段距离 | |
| #15291 | 神奇的幻方NOIP 2015 Day 1 | |
| #15292 | 信息传递NOIP 2015 Day 1 | |
| #15293 | 斗地主NOIP 2015 Day 1 | |
| #15294 | 跳石头NOIP 2015 Day 2 | |
| #15295 | 子串NOIP 2015 Day 2 | |
| #15296 | 运输计划NOIP 2015 Day 2 | |
| #15297 | Maximum Matching PairsCCPC Zhengzhou 2025 (Warm up) | |
| #15298 | Video GameCCPC Zhengzhou 2025 (Warm up) | |
| #15299 | Vertex CoverCCPC Zhengzhou 2025 (Warm up) | |
| #15300 | 最难的题CCPC Zhengzhou 2025 (Warm up)Meme Task | |