| #5101 | Crystal CrosswindWorld Finals 2021 | |
| #5102 | Dungeon CrawlerWorld Finals 2021 | |
| #5103 | Fair DivisionWorld Finals 2021 | |
| #5104 | Guardians of the GalleryWorld Finals 2021 | |
| #5105 | Hand of the Free MarkedWorld Finals 2021 | |
| #5106 | Islands from the SkyWorld Finals 2021 | |
| #5107 | Mosaic BrowsingWorld Finals 2021 | |
| #5108 | Prehistoric ProgramsWorld Finals 2021 | |
| #5109 | Spider WalkWorld Finals 2021 | |
| #5110 | SplitstreamWorld Finals 2021 | |
| #5111 | Take On MemeWorld Finals 2021 | |
| #5112 | Where Am I?World Finals 2021 | |
| #5113 | BridgeXi'an Regional 2022 | |
| #5114 | Cells ColoringXi'an Regional 2022 | |
| #5115 | Clone RanranXi'an Regional 2022 | |
| #5116 | ContestsXi'an Regional 2022 | |
| #5117 | Find MaximumXi'an Regional 2022 | |
| #5118 | HotelXi'an Regional 2022 | |
| #5119 | Perfect WordXi'an Regional 2022 | |
| #5120 | Power of TwoXi'an Regional 2022 | |
| #5121 | Square GridXi'an Regional 2022 | |
| #5122 | Strange SumXi'an Regional 2022 | |
| #5123 | StreetsXi'an Regional 2022 | |
| #5124 | TreeXi'an Regional 2022 | |
| #5125 | Adjusted AverageBAPC 2022 | |
| #5126 | BellevueBAPC 2022 | |
| #5127 | Crashing Competition ComputerBAPC 2022 | |
| #5128 | Dividing DNA BAPC 2022Interactive | |
| #5129 | Equalising AudioBAPC 2022 | |
| #5130 | Failing FlagshipBAPC 2022 | |
| #5131 | Grinding GravelBAPC 2022 | |
| #5132 | House NumberingBAPC 2022 | |
| #5133 | Imperfect Imperial UnitsBAPC 2022 | |
| #5134 | Jagged SkylineBAPC 2022Interactive | |
| #5135 | Kiosk ConstructionBAPC 2022 | |
| #5136 | Lowest LatencyBAPC 2022 | |
| #5137 | TowerJinan Regional 2022 | |
| #5138 | TorchJinan Regional 2022 | |
| #5139 | DFS Order 2Jinan Regional 2022 | |
| #5140 | Frozen ScoreboardJinan Regional 2022 | |
| #5141 | Identical ParityJinan Regional 2022 | |
| #5142 | Grid PointsJinan Regional 2022 | |
| #5143 | Quick SortJinan Regional 2022 | |
| #5144 | Set of IntervalsJinan Regional 2022 | |
| #5145 | Shortest PathJinan Regional 2022 | |
| #5146 | SkillsJinan Regional 2022 | |
| #5147 | Stack SortJinan Regional 2022 | |
| #5148 | Tree DistanceJinan Regional 2022Ynoi 2004 | |
| #5149 | Best Carry PlayerJinan Regional 2022 | |
| #5150 | Alternating AlgorithmNWERC 2022 | |
| #5151 | Bottle FlipNWERC 2022 | |
| #5152 | Circular Caramel CookieNWERC 2022 | |
| #5153 | Delft DistanceNWERC 2022 | |
| #5154 | ETANWERC 2022 | |
| #5155 | Faster Than LightNWERC 2022 | |
| #5156 | Going in CirclesNWERC 2022Interactive | |
| #5157 | High-quality TreeNWERC 2022 | |
| #5158 | Interview QuestionNWERC 2022 | |
| #5159 | Justice ServedNWERC 2022 | |
| #5160 | Kebab PizzaNWERC 2022 | |
| #5161 | Last GuessNWERC 2022 | |
| #5162 | 种花NOIP 2022 | |
| #5163 | 喵了个喵NOIP 2022 | |
| #5164 | 建造军营NOIP 2022 | |
| #5165 | 比赛NOIP 2022 | |
| #5166 | 回文匹配2022 集训队互测 Round 12 | |
| #5167 | 魔术师2022 集训队互测 Round 12 | |
| #5168 | 树与染色!2022 集训队互测 Round 12 | |
| #5169 | 夹娃娃2022 集训队互测 Round 13 | |
| #5170 | 加速度2022 集训队互测 Round 13 | |
| #5171 | 理论出线2022 集训队互测 Round 13 | |
| #5172 | 序程来未2022 集训队互测 Round 14Output Only | |
| #5173 | 染色2022 集训队互测 Round 14 | |
| #5174 | 青蛙思直线2022 集训队互测 Round 14 | |
| #5175 | 翻修道路2022 集训队互测 Round 15 | |
| #5176 | 多控制反转2022 集训队互测 Round 15 | |
| #5177 | 摩斯电码 2.02022 集训队互测 Round 15 | |
| #5186 | 本质不同逆序对THUPC 2021Ynoi 2007 | |
| #5187 | 视频倍增期THUPC 2021 | |
| #5188 | 鬼街THUPC 2021 | |
| #5189 | 形式语言与自动机THUPC 2021 | |
| #5190 | 小 E 爱消除THUPC 2021 | |
| #5191 | 混乱邪恶THUPC 2021 | |
| #5192 | 赌徒问题THUPC 2021 | |
| #5193 | 挑战图灵奖THUPC 2021 | |
| #5194 | 游戏THUPC 2021 | |
| #5195 | 群星连结THUPC 2021 | |
| #5196 | 幸运位置THUPC 2021 | |
| #5197 | 星星THUPC 2021 | |
| #5198 | 寓言书THUPC 2021 | |
| #5199 | Amazing TrickNERC 2022 | |
| #5200 | BinCoinNERC 2022 | |