| #9220 | Bus Analysis | |
| #9221 | Missing Boundaries | |
| #9222 | Price Combo | |
| #9223 | Data Determination | |
| #9224 | Express Eviction | |
| #9225 | Fibonacci Fusion | |
| #9226 | Game of Geniuses | |
| #9227 | Henry the Plumber | |
| #9228 | ICPC Inference | |
| #9229 | Juliet Unifies Ones | |
| #9230 | Routing K-Codes | |
| #9231 | Random Numbers | |
| #9232 | Mathematics Championships | |
| #9236 | NileIOI 2024 Day 1 | |
| #9237 | MessageIOI 2024 Day 1Communication | |
| #9238 | TreeIOI 2024 Day 1 | |
| #9239 | HieroglyphsIOI 2024 Day 2 | |
| #9240 | MosaicIOI 2024 Day 2 | |
| #9241 | SphinxIOI 2024 Day 2Interactive | |
| #9242 | An Easy Geometry ProblemXi'an Regional 2023 | |
| #9243 | Counting MultisetsXi'an Regional 2023 | |
| #9244 | Counting StringsXi'an Regional 2023 | |
| #9245 | Bracket SequenceXi'an Regional 2023 | |
| #9246 | Dominating PointXi'an Regional 2023 | |
| #9247 | An Easy Counting ProblemXi'an Regional 2023 | |
| #9248 | An Easy Math ProblemXi'an Regional 2023 | |
| #9249 | Elimination Series Once MoreXi'an Regional 2023 | |
| #9250 | Max GCDXi'an Regional 2023 | |
| #9251 | Graph ChangingXi'an Regional 2023 | |
| #9252 | Penguins in RefrigeratorXi'an Regional 2023 | |
| #9253 | Prism PalaceXi'an Regional 2023 | |
| #9254 | Random VariablesXi'an Regional 2023 | |
| #9255 | Python ProgramXi'an Regional 2023 | |
| #9256 | Quantum SupremacyMoscow Regional 2019 | |
| #9257 | Post-capitalismMoscow Regional 2019 | |
| #9258 | Huawei Frequencies SelectionMoscow Regional 2019 | |
| #9259 | JCPC Registration SystemMoscow Regional 2019 | |
| #9260 | Raiffeisenbank LogisticsMoscow Regional 2019 | |
| #9261 | Toll RoadMoscow Regional 2019 | |
| #9262 | Yandex MuseumMoscow Regional 2019 | |
| #9263 | Rebellious SequencesMoscow Regional 2019 | |
| #9264 | Minimax LimitMoscow Regional 2019 | |
| #9265 | You Are Given a TreeMoscow Regional 2019 | |
| #9266 | Dynamic Traffic with MegaFonMoscow Regional 2019 | |
| #9267 | Adventure in FlatlandMoscow Regional 2020 | |
| #9268 | Basketball Plus-MinusMoscow Regional 2020 | |
| #9269 | C and Pascal StringsMoscow Regional 2020 | |
| #9270 | Deep PrimesMoscow Regional 2020 | |
| #9271 | Easy MoneyMoscow Regional 2020 | |
| #9272 | Fun at Luggage ClaimMoscow Regional 2020 | |
| #9273 | Game With StonesMoscow Regional 2020 | |
| #9274 | Hungry CannibalsMoscow Regional 2020 | |
| #9275 | Integer Number FormatMoscow Regional 2020 | |
| #9276 | Just Different Rules...Moscow Regional 2020 | |
| #9277 | King and ZeroingMoscow Regional 2020 | |
| #9278 | Linear Algebra IntensifiesMoscow Regional 2020 | |
| #9279 | Matrix 4Moscow Regional 2020 | |
| #9280 | New Randomized GoMoscow Regional 2020 | |
| #9281 | A Non-Palindromic ModificationMoscow Regional 2021 | |
| #9282 | Gleb and Liteyny AvenueMoscow Regional 2021 | |
| #9283 | Socks DryingMoscow Regional 2021 | |
| #9284 | Christmas Children CircleMoscow Regional 2021 | |
| #9285 | Construct The IntegerMoscow Regional 2021 | |
| #9286 | Build the Non-CactusMoscow Regional 2021 | |
| #9287 | Double EliminationMoscow Regional 2021 | |
| #9288 | Roman PalindromesMoscow Regional 2021 | |
| #9289 | 1%-EuclideanMoscow Regional 2021 | |
| #9290 | Spectacular EndingMoscow Regional 2021 | |
| #9291 | Efficient InterceptionMoscow Regional 2021 | |
| #9292 | FoodSberryMoscow Regional 2021 | |
| #9293 | Fine TripMoscow Regional 2021 | |
| #9294 | Integer PerimeterMoscow Regional 2021 | |
| #9295 | TreeshopMoscow Regional 2021 | |
| #9296 | Golden SpiritCCPC Weihai 2020 | |
| #9297 | LabyrinthCCPC Weihai 2020 | |
| #9298 | RencontreCCPC Weihai 2020 | |
| #9299 | ABC ConjectureCCPC Weihai 2020 | |
| #9300 | So Many Possibilities...CCPC Weihai 2020 | |