| #16001 | Bit RecoveryCERC 2025Interactive | |
| #16002 | Connecting Railway StationsCERC 2025 | |
| #16003 | DNACERC 2025 | |
| #16004 | Easy TetrisCERC 2025 | |
| #16005 | FoxesCERC 2025 | |
| #16006 | Game of DartsCERC 2025 | |
| #16007 | HikingCERC 2025 | |
| #16008 | Identical Fences CERC 2025 | |
| #16009 | Joyful Guided TourCERC 2025 | |
| #16010 | Key PropertiesCERC 2025 | |
| #16011 | Letters on T-shirts CERC 2025 | |
| #16012 | ShipsBaltic OI 2004 Day 1 | |
| #16013 | ScalesBaltic OI 2004 Day 1 | |
| #16014 | SequenceBaltic OI 2004 Day 1 | |
| #16015 | RepeatsBaltic OI 2004 Day 2 | |
| #16016 | RectanglesBaltic OI 2004 Day 2 | |
| #16017 | Car ParkBaltic OI 2004 Day 2 | |
| #16018 | JourneyCEOI 2004 Trial Session | |
| #16019 | CloudsCEOI 2004 Day 1 | |
| #16020 | SweetsCEOI 2004 Day 1 | |
| #16021 | TripsCEOI 2004 Day 1 | |
| #16022 | Football leagueCEOI 2004 Day 2 | |
| #16023 | PuzzleCEOI 2004 Day 2 | |
| #16024 | Two sawmillsCEOI 2004 Day 2 | |
| #16025 | 可见直线HNOI 2008 Day 1 | |
| #16026 | 明明的烦恼HNOI 2008 Day 1 | |
| #16027 | 越狱HNOI 2008 Day 1 | |
| #16028 | 神奇的国度HNOI 2008 Day 1 | |
| #16029 | GT 考试HNOI 2008 Day 2 | |
| #16030 | 洗牌HNOI 2008 Day 2 | |
| #16031 | 玩具装箱HNOI 2008 Day 2 | |
| #16032 | 遥远行星HNOI 2008 Day 2 | |
| #16033 | Amanda LoungesNCPC 2014 | |
| #16034 | Basin City SurveillanceNCPC 2014 | |
| #16035 | Catalan SquareNCPC 2014 | |
| #16036 | Dice GameNCPC 2014 | |
| #16037 | Opening CeremonyNCPC 2014 | |
| #16038 | Particle SwappingNCPC 2014 | |
| #16039 | OutingNCPC 2014 | |
| #16040 | Clock PicturesNCPC 2014 | |
| #16041 | How many squares?NCPC 2014 | |
| #16042 | Road WorkNCPC 2014 | |
| #16043 | Train PassengersNCPC 2014 | |
| #16044 | Planting TreesNCPC 2013 | |
| #16045 | Boiling VegetablesNCPC 2013 | |
| #16046 | Number TrickNCPC 2013 | |
| #16047 | Robert HoodNCPC 2013 | |
| #16048 | Virus ReplicationNCPC 2013 | |
| #16049 | TimebombNCPC 2013 | |
| #16050 | Erase SecurelyNCPC 2013 | |
| #16051 | PinballNCPC 2013 | |
| #16052 | Dance ReconstructionNCPC 2013 | |
| #16053 | DartboardNCPC 2013 | |
| #16054 | Cliff WalkNCPC 2013 | |
| #16055 | Fair DivisionNWERC 2010 | |
| #16056 | Free GoodiesNWERC 2010 | |
| #16057 | High ScoreNWERC 2010 | |
| #16058 | Hill DrivingNWERC 2010 | |
| #16059 | RankingsNWERC 2010 | |
| #16060 | RiskNWERC 2010 | |
| #16061 | Selling LandNWERC 2010 | |
| #16062 | Stock PricesNWERC 2010 | |
| #16063 | Telephone NetworkNWERC 2010 | |
| #16064 | WormlyNWERC 2010 | |
| #16065 | An Industrial SpyNWERC 2009 | |
| #16066 | Common Subexpression EliminationNWERC 2009 | |
| #16067 | Divisible SubsequencesNWERC 2009 | |
| #16068 | FractalNWERC 2009 | |
| #16069 | Mountain RoadNWERC 2009 | |
| #16070 | Moving to NurembergNWERC 2009 | |
| #16071 | Room AssignmentsNWERC 2009 | |
| #16072 | Settlers of CatanNWERC 2009 | |
| #16073 | Simple PolygonNWERC 2009 | |
| #16074 | WormholesNWERC 2009 | |
| #16075 | Equilibrium MobileNWERC 2008 | |
| #16076 | Proving EquivalencesNWERC 2008 | |
| #16077 | Cat vs. DogNWERC 2008 | |
| #16078 | Disgruntled JudgeNWERC 2008 | |
| #16079 | Easy ClimbNWERC 2008 | |
| #16080 | SculptureNWERC 2008 | |
| #16081 | MatchsticksNWERC 2008 | |
| #16082 | White Water RaftingNWERC 2008 | |
| #16083 | ShuffleNWERC 2008 | |
| #16084 | VideopokerNWERC 2008 | |
| #16085 | AssembleNWERC 2007 | |
| #16086 | March of the PenguinsNWERC 2007 | |
| #16087 | ContainersNWERC 2007 | |
| #16088 | Youth Hostel DormNWERC 2007 | |
| #16089 | Escape from Enemy TerritoryNWERC 2007 | |
| #16090 | Flight SafetyNWERC 2007 | |
| #16091 | SummitsNWERC 2007 | |
| #16092 | ObfuscationNWERC 2007 | |
| #16093 | Tower ParkingNWERC 2007 | |
| #16094 | WalkNWERC 2007 | |
| #16095 | 生活大爆炸版石头剪刀布NOIP 2014 Day 1 | |
| #16096 | 联合权值NOIP 2014 Day 1 | |
| #16097 | 飞扬的小鸟NOIP 2014 Day 1 | |
| #16098 | 无线网络发射器选址NOIP 2014 Day 2 | |
| #16099 | 寻找道路NOIP 2014 Day 2 | |
| #16100 | 解方程NOIP 2014 Day 2 | |