| #3901 | Dull game10th BSUIR Open Programming Championship Semifinal | |
| #3902 | Elegance in moves10th BSUIR Open Programming Championship Semifinal | |
| #3903 | Function analysis10th BSUIR Open Programming Championship Semifinal | |
| #3904 | Geometric shapes10th BSUIR Open Programming Championship Semifinal | |
| #3905 | Hockey championship10th BSUIR Open Programming Championship Semifinal | |
| #3906 | Items in boxes10th BSUIR Open Programming Championship Semifinal | |
| #3907 | Jenga10th BSUIR Open Programming Championship Semifinal | |
| #3908 | K-ones xor10th BSUIR Open Programming Championship Semifinal | |
| #3909 | Long integer10th BSUIR Open Programming Championship Semifinal | |
| #3910 | One-time passwords8th BSUIR Open Programming Championship Final | |
| #3911 | Even answer8th BSUIR Open Programming Championship Final | |
| #3912 | Kingdom Partition8th BSUIR Open Programming Championship Final | |
| #3913 | Badroadville mayoral election8th BSUIR Open Programming Championship FinalInteractive | |
| #3914 | Sweet motivation8th BSUIR Open Programming Championship Final | |
| #3915 | Sort hacking8th BSUIR Open Programming Championship Final | |
| #3916 | A Bishop's Journey8th BSUIR Open Programming Championship Final | |
| #3917 | Tourist Agency8th BSUIR Open Programming Championship Final | |
| #3918 | Permutations again8th BSUIR Open Programming Championship Final | |
| #3919 | Restore the sequence8th BSUIR Open Programming Championship Final | |
| #3920 | Slogan8th BSUIR Open Programming Championship Final | |
| #3921 | Alphabet AnimalsNCPC 2019 | |
| #3922 | Building BoundariesNCPC 2019 | |
| #3923 | Cocoa CoalitionNCPC 2019 | |
| #3924 | Dungeon DawdlerNCPC 2019Interactive | |
| #3925 | Eeny MeenyNCPC 2019 | |
| #3926 | Flow FinderNCPC 2019 | |
| #3927 | Game of GnomesNCPC 2019 | |
| #3928 | Hot HikeNCPC 2019 | |
| #3929 | Incremental InductionNCPC 2019 | |
| #3930 | Jealous YoungstersNCPC 2019 | |
| #3931 | Keep it CoolNCPC 2019 | |
| #3932 | Awkward PartyBergen Open 2018 | |
| #3933 | Backpack BuddiesBergen Open 2018 | |
| #3934 | Counting ClausesBergen Open 2018 | |
| #3935 | Dice and LaddersBergen Open 2018 | |
| #3936 | Expecting RainBergen Open 2018 | |
| #3937 | FishmongersBergen Open 2018 | |
| #3938 | Gameworld TornadoBergen Open 2018 | |
| #3939 | Hidden WordsBergen Open 2018 | |
| #3940 | ISP MergerBergen Open 2018 | |
| #3941 | Joint AttackBergen Open 2018 | |
| #3942 | Keyboards in ConcertBergen Open 2018 | |
| #3943 | License to LaunchBergen Open 2018 | |
| #3944 | AlehouseBergen Open 2019 | |
| #3945 | Bus TicketBergen Open 2019 | |
| #3946 | Climbing StairsBergen Open 2019 | |
| #3947 | Drive SafelyBergen Open 2019 | |
| #3948 | EquilibriumBergen Open 2019 | |
| #3949 | Fence BowlingBergen Open 2019 | |
| #3950 | Great GDPBergen Open 2019 | |
| #3951 | HowlBergen Open 2019 | |
| #3952 | Ice CreamBergen Open 2019 | |
| #3953 | Jane EyreBergen Open 2019 | |
| #3954 | Killing ChaosBergen Open 2019 | |
| #3955 | ArchipelagoBergen Open 2021 | |
| #3956 | BombsBergen Open 2021 | |
| #3957 | CoinsBergen Open 2021Interactive | |
| #3958 | DoomsdayBergen Open 2021 | |
| #3959 | Elder price robotBergen Open 2021 | |
| #3960 | F1 RacingBergen Open 2021 | |
| #3961 | Glitching screenBergen Open 2021 | |
| #3962 | 100 meter dashBergen Open 2021 | |
| #3963 | Irritating accountantsBergen Open 2021 | |
| #3964 | Junior price robotBergen Open 2021 | |
| #3965 | King of cansBergen Open 2021 | |
| #3966 | Live aidBergen Open 2021 | |
| #3967 | Meticulous smoothingBergen Open 2021 | |
| #3968 | The Battle of GiantsInnopolis Open 2020-2021, qualification, contest 1 | |
| #3969 | Tetris RemasteredInnopolis Open 2020-2021, qualification, contest 1 | |
| #3970 | Optimal TruckInnopolis Open 2020-2021, qualification, contest 1 | |
| #3971 | Bookshelf SortingInnopolis Open 2020-2021, qualification, contest 1 | |
| #3972 | Nice ShapeInnopolis Open 2020-2021, qualification, contest 1 | |
| #3973 | Altruistic AmphibiansNCPC 2018 | |
| #3974 | Baby BitesNCPC 2018 | |
| #3975 | Code CleanupsNCPC 2018 | |
| #3976 | Delivery DelaysNCPC 2018 | |
| #3977 | Explosion ExploitNCPC 2018 | |
| #3978 | Firing the PhaserNCPC 2018 | |
| #3979 | Game SchedulingNCPC 2018 | |
| #3980 | House LawnNCPC 2018 | |
| #3981 | Intergalactic BiddingNCPC 2018 | |
| #3982 | Jumbled StringNCPC 2018 | |
| #3983 | King's ColorsNCPC 2018 | |
| #3984 | Assembly RequiredStanford Local Contest 2016 | |
| #3985 | BulbsStanford Local Contest 2016 | |
| #3986 | Card CollectingStanford Local Contest 2016 | |
| #3987 | Double EliminationStanford Local Contest 2016 | |
| #3988 | Election of EvilStanford Local Contest 2016 | |
| #3989 | Flight PlanStanford Local Contest 2016 | |
| #3990 | Ground DefenseStanford Local Contest 2016 | |
| #3991 | Hunter's ApprenticeStanford Local Contest 2016 | |
| #3992 | Ingenious Lottery TicketsStanford Local Contest 2016 | |
| #3993 | Jurisdiction DisenchantmentStanford Local Contest 2016 | |
| #3994 | Easy JumpMoscow Pre-Finals Workshops 2022 Day 5 | |
| #3995 | Terrible Additive Number Theory ProblemMoscow Pre-Finals Workshops 2022 Day 5 | |
| #3996 | RaceMoscow Pre-Finals Workshops 2022 Day 5 | |
| #3997 | Candy MachineMoscow Pre-Finals Workshops 2022 Day 5 | |
| #3998 | The ProfiteerMoscow Pre-Finals Workshops 2022 Day 5 | |
| #3999 | BpbBppbpBBMoscow Pre-Finals Workshops 2022 Day 5 | |
| #4000 | Dynamic ReachabilityMoscow Pre-Finals Workshops 2022 Day 5 | |