| #14906 | Tree PuzzlePetrozavodsk Summer 2013 Day 2 | |
| #14907 | Xoring MachinePetrozavodsk Summer 2013 Day 2 | |
| #14908 | Reduce the SequencePetrozavodsk Summer 2013 Day 2 | |
| #14909 | TreePetrozavodsk Summer 2013 Day 2 | |
| #14910 | Magic RoadsPetrozavodsk Summer 2013 Day 2 | |
| #14911 | PatternsPetrozavodsk Summer 2013 Day 2 | |
| #14912 | ABACABA MatchingPetrozavodsk Summer 2013 Day 2 | |
| #14913 | IntervalsPetrozavodsk Summer 2013 Day 2 | |
| #14914 | DangerPetrozavodsk Summer 2013 Day 2 | |
| #14915 | Redundant EdgesPetrozavodsk Summer 2013 Day 2 | |
| #14916 | An Elephant ProblemPacific Northwest Regional 2025 | |
| #14917 | Bouquet of BalloonsPacific Northwest Regional 2025 | |
| #14918 | Bus SeatingPacific Northwest Regional 2025 | |
| #14919 | Call For Problems, Round 3Pacific Northwest Regional 2025 | |
| #14920 | Closest Equal PairPacific Northwest Regional 2025 | |
| #14921 | Farthest CityPacific Northwest Regional 2025 | |
| #14922 | Fractal PaintingPacific Northwest Regional 2025 | |
| #14923 | FriendshipsPacific Northwest Regional 2025 | |
| #14924 | GPA ComputationPacific Northwest Regional 2025 | |
| #14925 | Honkai Stress ReliefPacific Northwest Regional 2025 | |
| #14926 | K-th KingPacific Northwest Regional 2025 | |
| #14927 | Missed AlarmPacific Northwest Regional 2025 | |
| #14928 | Pair Linked MokeponPacific Northwest Regional 2025 | |
| #14929 | Server CorridorPacific Northwest Regional 2025 | |
| #14930 | Server RoomPacific Northwest Regional 2025 | |
| #14931 | ShhPacific Northwest Regional 2025 | |
| #14932 | Solidarity of the Happy CatsPacific Northwest Regional 2025 | |
| #14933 | StrawberryPacific Northwest Regional 2025 | |
| #14934 | Training, Round 4Pacific Northwest Regional 2025 | |
| #14935 | Triangle of TrianglesPacific Northwest Regional 2025 | |
| #14936 | Message from the PastShenyang Regional 2025 (Warm up)Communication | |
| #14937 | Happy GatheringShandong Provincial 2019 (Warm up)Meme Task | |
| #14938 | Guide Map (Lite ver.)Shenyang Regional 2025 (Warm up) | |
| #14939 | Many SprinklersShenyang Regional 2025 (Warm up) | |
| #14940 | Square KingdomShenyang Regional 2025 | |
| #14941 | Buggy Painting Software IShenyang Regional 2025 | |
| #14942 | Buggy Painting Software IIShenyang Regional 2025Communication | |
| #14943 | LED Display RenovationShenyang Regional 2025 | |
| #14944 | Play It by EarShenyang Regional 2025 | |
| #14945 | The Bond Beyond TimeShenyang Regional 2025 | |
| #14946 | Collision DamageShenyang Regional 2025 | |
| #14947 | Cute Young Diagram CountingShenyang Regional 2025 | |
| #14948 | Volunteer SimulatorShenyang Regional 2025 | |
| #14949 | The Echoes of ChronosShenyang Regional 2025 | |
| #14950 | Relay JumpShenyang Regional 2025 | |
| #14951 | LeoShenyang Regional 2025 | |
| #14952 | The End?Shenyang Regional 2025 | |
| #14953 | BalloonsCEOI 2011 Day 1 | |
| #14954 | MatchingCEOI 2011 Day 1 | |
| #14955 | Treasure HuntCEOI 2011 Day 1Interactive | |
| #14956 | HotelCEOI 2011 Day 2 | |
| #14957 | TeamsCEOI 2011 Day 2 | |
| #14958 | TrafficCEOI 2011 Day 2 | |
| #14959 | 猜数WC 2006Interactive | |
| #14960 | 水管局长WC 2006 | |
| #14961 | 风之韵WC 2006Output Only | |
| #14962 | 新型城市化HAOI 2017 Round 1 | |
| #14963 | 供给侧改革HAOI 2017 Round 1 | |
| #14964 | 八纵八横HAOI 2017 Round 1 | |