| #8801 | Two long candy sticksXXV Olimpiada Informatyczna – III etapPOI 2017 Stage 3 | |
| #8802 | TaxisXXV Olimpiada Informatyczna – III etapPOI 2017 Stage 3 | |
| #8803 | PolynomialXXV Olimpiada Informatyczna – III etapPOI 2017 Stage 3 | |
| #8804 | Treasure HuntCCO 2024 Day 1 | |
| #8805 | Pizza PartyCCO 2024 Day 1 | |
| #8806 | Summer DrivingCCO 2024 Day 1 | |
| #8807 | InfiltrationCCO 2024 Day 2 | |
| #8808 | Heavy Light DecompositionCCO 2024 Day 2 | |
| #8809 | Telephone PlansCCO 2024 Day 2 | |
| #8810 | Examination 2JOI Open Contest 2024 | |
| #8811 | Heat StrokeJOI Open Contest 2024 | |
| #8812 | Library 3JOI Open Contest 2024Interactive | |
| #8813 | Records in Chichén ItzáThe 2nd Universal Cup Semifinals | |
| #8814 | Almost Convex 2The 2nd Universal Cup Semifinals | |
| #8815 | Space StationThe 2nd Universal Cup Semifinals | |
| #8816 | Solar Panel Grid OptimizationThe 2nd Universal Cup Semifinals | |
| #8817 | Fast Median TransformThe 2nd Universal Cup Semifinals | |
| #8818 | Colorful Graph 3The 2nd Universal Cup Semifinals | |
| #8819 | CNOI KnowledgeThe 2nd Universal Cup SemifinalsInteractive | |
| #8820 | Exchanging Kubic 2The 2nd Universal Cup Semifinals | |
| #8821 | NightmareThe 2nd Universal Cup Semifinals | |
| #8822 | Guess The Sequence 2The 2nd Universal Cup Semifinals | |
| #8823 | Game: Battle of MenjisThe 2nd Universal Cup Semifinals | |
| #8824 | Slay the SpireThe 2nd Universal Cup Semifinals | |
| #8825 | Puzzle: SummonThe 2nd Universal Cup Semifinals | |
| #8829 | Aibohphobia | |
| #8830 | Breaking Bad | |
| #8831 | Chemistry Class | |
| #8832 | Daily Disinfection | |
| #8833 | Equalizer Ehrmantraut | |
| #8834 | Formal Fring | |
| #8835 | Goodman | |
| #8836 | Highway Hoax | |
| #8837 | Increasing Income | |
| #8838 | Jesse's Job | |
| #8839 | Knocker | |
| #8840 | Lalo's Lawyer Lost | |
| #8841 | North North WestMIPT Training Camp 2014 Contest 1 | |
| #8842 | Unknown SwitchesMIPT Training Camp 2014 Contest 1 | |
| #8843 | SpeedrunMIPT Training Camp 2014 Contest 1 | |
| #8844 | FlowersMIPT Training Camp 2014 Contest 1 | |
| #8845 | Square in CirclesMIPT Training Camp 2014 Contest 1 | |
| #8846 | Reverse a Road IIMIPT Training Camp 2014 Contest 1 | |
| #8847 | Cookie CounterMIPT Training Camp 2014 Contest 1 | |
| #8848 | Points and LinesMIPT Training Camp 2014 Contest 1 | |
| #8849 | Color the Map ExtremeMIPT Training Camp 2014 Contest 1 | |
| #8850 | Website TourMIPT Training Camp 2014 Contest 1 | |
| #8851 | Idempotent FilterMIPT Training Camp 2014 Contest 1 | |
| #8852 | Self-AssemblyWorld Finals 2013 | |
| #8853 | Hey, Better BettorWorld Finals 2013 | |
| #8854 | Surely You CongestWorld Finals 2013 | |
| #8855 | FactorsWorld Finals 2013 | |
| #8856 | HarvardWorld Finals 2013 | |
| #8857 | Low PowerWorld Finals 2013 | |
| #8858 | Map TilesWorld Finals 2013 | |
| #8859 | МатрёшаWorld Finals 2013 | |
| #8860 | Pirate ChestWorld Finals 2013 | |
| #8861 | Pollution SolutionWorld Finals 2013 | |
| #8862 | Up a TreeWorld Finals 2013 | |
| #8863 | AttendanceCERC 2023 | |
| #8864 | Ball PassingCERC 2023 | |
| #8865 | CakesCERC 2023 | |
| #8866 | Drying LaundryCERC 2023 | |
| #8867 | Equal SchedulesCERC 2023 | |
| #8868 | PhylogeneticsCERC 2023 | |
| #8869 | Going to the MoonCERC 2023 | |
| #8870 | Human ResourcesCERC 2023Communication | |
| #8871 | Interactive ReconstructionCERC 2023Interactive | |
| #8872 | Jumbled StacksCERC 2023 | |
| #8873 | KeysCERC 2023 | |
| #8874 | Labelled PathsCERC 2023 | |
| #8877 | Nutella's LifePetrozavodsk Summer 2017 Day 3 | |
| #8878 | Oleg and Data SciencePetrozavodsk Summer 2017 Day 3 | |
| #8879 | Christmas GarlandPetrozavodsk Summer 2017 Day 3 | |
| #8880 | Anna and Lucky TicketsPetrozavodsk Summer 2017 Day 3 | |
| #8881 | OctopusPetrozavodsk Summer 2017 Day 3 | |
| #8882 | Secret PermutationPetrozavodsk Summer 2017 Day 3Interactive | |
| #8883 | Polygon RotationPetrozavodsk Summer 2017 Day 3 | |
| #8884 | Mikhail's ProblemPetrozavodsk Summer 2017 Day 3 | |
| #8885 | Rat-O-MaticPetrozavodsk Summer 2017 Day 3 | |
| #8886 | ReadabilityPetrozavodsk Summer 2017 Day 3 | |
| #8887 | RobotoborPetrozavodsk Summer 2017 Day 3 | |
| #8888 | ChatNOINordic Olympiad in Informatics 2023 | |
| #8889 | Ice Cream MachinesNordic Olympiad in Informatics 2023 | |
| #8890 | Island AlliancesNordic Olympiad in Informatics 2023 | |
| #8891 | Hipster JazzNordic Olympiad in Informatics 2022 | |
| #8892 | Power GridNordic Olympiad in Informatics 2022 | |
| #8893 | Quark MicroscopyNordic Olympiad in Informatics 2022Interactive | |
| #8894 | CERNCroatian OI 2024 | |
| #8895 | KoreografijaCroatian OI 2024 | |
| #8896 | MinistarstvoCroatian OI 2024 | |
| #8897 | SirologijaCroatian OI 2024 | |
| #8898 | TEST_8Ynoi 2020 Easy Round | |
| #8899 | TEST_100Ynoi 2020 Easy Round | |
| #8900 | TEST_63Ynoi 2020 Easy Round | |