| #63 | MeetingsJOISC 2019 Day 1Interactive | |
| #80 | TRAXMoscow Pre-Finals Workshop 2016 Day 3 | |
| #1432 | KilkPetrozavodsk Winter 2020 Day 7Gennady Korotkevich Contest | |
| #1813 | Joy with PermutationsPetrozavodsk Summer 2021 Day 1Interactive | |
| #2371 | Max or MinSEERC 2019 | |
| #2378 | Tree PermutationsSEERC 2019 | |
| #2438 | Minimum Spanning TreesPetrozavodsk Summer 2019 Day 3 | |
| #2563 | Curly RacetrackPetrozavodsk Winter 2022 Day 2 | |
| #2606 | GachaponPetrozavodsk Winter 2022 Day 6 | |
| #2626 | Kilk NotPetrozavodsk Winter 2022 Day 7Gennady Korotkevich Contest | |
| #2830 | Data StructureCCPC Final 2020 | |
| #3047 | Wind of ChangeOpen CupXX Open Cup | |
| #3164 | All KillNAC 2020 | |
| #3165 | Grid GuardianNAC 2020 | |
| #3511 | Fish 2JOISC 2022 Day 4 | |
| #3845 | Colorful TreeMacau Regional 2021 | |
| #4000 | Dynamic ReachabilityMoscow Pre-Finals Workshops 2022 Day 5Ynoi 2024 | |
| #4007 | 树ZJOI 2022 Day 1 | |
| #4218 | Hidden GraphRuCode 2020 Division A+B ChampionshipInteractive | |
| #4241 | Angle Beats 2.0Discover Singapore 2019 Day 5300iq Contest | |
| #4242 | LISDiscover Singapore 2019 Day 5300iq Contest | |
| #4243 | Good ColoringDiscover Singapore 2019 Day 5300iq Contest | |
| #4306 | Guess MatrixMoscow International Workshops 2018 Day 7Interactive | |
| #4406 | 独立集问题CTS 2022 Day 1 | |
| #4630 | New Equipments IIIByteDance-Moscow Workshops Camp 2022 Final | |
| #4661 | 冒泡排序NOI 2022 Day 2 | |
| #4758 | Captivating processXXII Open All-Siberian Programming Contest named after I.V. Pottosin Final tour | |
| #4792 | OrigamiPetrozavodsk Summer 2017 Day 2 | |
| #4814 | Exciting TravelPetrozavodsk Summer 2022 Day 3The 2nd Universal Cup Finals (Warm up) | |
| #4815 | Flower's LandPetrozavodsk Summer 2022 Day 3 | |
| #4816 | GamesPetrozavodsk Summer 2022 Day 3 | |
| #5378 | 匹配问题北大集训 2019 Day 4CTT 2019 Day 4 | |
| #5523 | Graph Problem With Small $n$Osijek Competitive Programming Camp Winter 2023 Day 1Anton Trygub Contest 1 | |
| #5528 | Least Annoying Constructive ProblemOsijek Competitive Programming Camp Winter 2023 Day 1Anton Trygub Contest 1 | |
| #5573 | Holiday RegiftingOsijek Competitive Programming Camp Winter 2023 Day 8 | |
| #6298 | ColoringEC-Final 2022 | |
| #6299 | Binary StringEC-Final 2022 | |
| #6308 | MagicEC-Final 2022 | |
| #6324 | Expanded Hull | |
| #6354 | 4Petrozavodsk Winter 2023 Day 6 | |
| #6355 | 5Petrozavodsk Winter 2023 Day 6 | |
| #6406 | Stage ClearUniversal Cup | |
| #6415 | Classical Minimization ProblemPetrozavodsk Winter 2023 Day 7 | |
| #6432 | Puzzle in InazumaNanjing Regional 2021 | |
| #6454 | Unbalanced ParenthesesNAIPC 2017Moscow Pre-Finals Workshops 2017 Day 6 | |
| #6508 | This is not an Abnormal Team!CCPC Final 2022 | |
| #6520 | Classic ProblemUniversal CupGuangdong Provincial 2023 | |
| #6521 | Swapping OperationUniversal CupGuangdong Provincial 2023 | |
| #6842 | Popcount WordsCCPC Guilin 2021 | |
| #7281 | How to Avoid Disqualification in 75 Easy StepsCEOI 2023 Day 2Interactive | |
| #7302 | Walk of Length 6ICPCCamp 2017 Day 1Petrozavodsk Winter 2017 Day 2 | |
| #7303 | City UnitedICPCCamp 2017 Day 1Petrozavodsk Winter 2017 Day 2 | |
| #7400 | Digital RootByteDance-Moscow Workshops Camp 2020 Final | |
| #7415 | Fast Spanning TreePetrozavodsk Summer 2019 Day 2300iq Contest 2 | |
| #7513 | Palindromic BeadsCCPC Online 2023Universal Cup | |
| #7520 | Monster GeneratorCCPC Online 2023Universal Cup | |
| #7535 | Limited Shuffle RestoringMoscow Regional 2022Interactive | |
| #7605 | Yet Another Mex ProblemPetrozavodsk Summer 2019 Day 9 | |
| #7606 | Digital NimUniversal Cup | |
| #7640 | Colorful CyclesUniversal Cup | |
| #7665 | BaggageWorld Finals 2014 | |
| #7746 | Go go Baron Bunny! | |
| #7751 | Palindrome Path | |
| #7756 | Omniscia Spares None | |
| #7939 | High TowersSEERC 2023 | |
| #7988 | 史莱姆工厂CCPC 2023 北京市赛Petrozavodsk Winter 2024 Day 2 | |
| #8035 | Call Me Call MeCCPC Mianyang 2022 | |
| #8049 | Equal SumsEC-Final 2023 | |
| #8351 | Ruin the legend | |
| #8518 | Roars III | |
| #8522 | Waterfall Matrix | |
| #8525 | Mercenaries | |
| #8552 | SticksCCPC Final 2023 | |
| #8554 | Bot FriendsCCPC Final 2023 | |
| #8822 | Guess The Sequence 2The 2nd Universal Cup Semifinals | |
| #8938 | Crawling on a TreeZhejiang Provincial 2024 | |
| #9185 | Garden DecorationsEGOI 2024 Day 1Communication | |
| #9241 | SphinxIOI 2024 Day 2Interactive | |
| #9729 | Dividing SequenceHangzhou Regional 2024 | |
| #9737 | Let's Go! New AdventureHangzhou Regional 2024 | |
| #10000 | Add, Remove, TransformPetrozavodsk Summer 2024 Day 22023 KAIST ICPC Mock Competition | |
| #10004 | Excellent HLDPetrozavodsk Summer 2024 Day 22023 KAIST ICPC Mock Competition | |
| #10009 | Joy Of SleepPetrozavodsk Summer 2024 Day 22023 KAIST ICPC Mock Competition | |
| #10010 | Kids And Sequence GamePetrozavodsk Summer 2024 Day 22023 KAIST ICPC Mock Competition | |
| #10011 | LotteryPetrozavodsk Summer 2024 Day 22023 KAIST ICPC Mock Competition | |
| #10104 | World of RainsThe 2nd Universal Cup Finals | |
| #10111 | Dividing ChainsThe 2nd Universal Cup Finals | |
| #10669 | Termites [A]PA 2010 Runda 5 | |
| #11106 | Add One 3CCPC Final 2024 | |
| #11112 | Qingyu's Little Training CenterCCPC Final 2024 | |
| #11410 | Circuit 2JOISC 2025 Day 4JOIST 2025 Day 4Interactive | |
| #11531 | Rikka with Generals | |
| #11719 | Exit SongPetrozavodsk Winter 2018 Day 6 | |
| #13171 | IMOEGOI 2025 Day 2 | |
| #13902 | SouvenirsIOI 2025 Day 1 | |
| #13904 | World MapIOI 2025 Day 1 | |
| #14017 | Circular MatchingThe 3rd Universal Cup Semifinals | |
| #14025 | Bot Friends 2The 3rd Universal Cup Semifinals | |
| #14805 | Cyan White TreeNanjing Regional 2025 | |
| #18123 | Is this a problem?Zhejiang Provincial 2026Interactive | |