| #19101 | Ball MachineIOI 2026 Day 1Interactive | |
| #19102 | MonumentsIOI 2026 Day 1 | |
| #19103 | Tiling GameIOI 2026 Day 1Interactive | |
| #19104 | Classroom GameIOI 2026 Day 2Communication | |
| #19105 | Magic CityIOI 2026 Day 2Output Only | |
| #19106 | PartitionIOI 2026 Day 2Communication | |
| #19107 | Absurd pricesGCPC 2010 | |
| #19108 | Cheating or NotGCPC 2010 | |
| #19109 | CounterattackGCPC 2010 | |
| #19110 | Field PlanGCPC 2010 | |
| #19111 | HackingGCPC 2010 | |
| #19112 | Last Minute ConstructionsGCPC 2010 | |
| #19113 | LineupGCPC 2010 | |
| #19114 | Polynomial EstimatesGCPC 2010 | |
| #19115 | Soccer BetsGCPC 2010 | |
| #19116 | The Two-ball GameGCPC 2010 | |
| #19117 | To score or not to scoreGCPC 2010 | |
| #19118 | Faculty Dividing PowersGCPC 2011 | |
| #19119 | Genetic FraudGCPC 2011 | |
| #19120 | Indiana Jones and the lost Soccer CupGCPC 2011 | |
| #19121 | Magic StarGCPC 2011 | |
| #19122 | Magical CraftingGCPC 2011 | |
| #19123 | My brother's diaryGCPC 2011 | |
| #19124 | Security ZoneGCPC 2011 | |
| #19125 | SightseeingGCPC 2011 | |
| #19126 | Suiting WeaversGCPC 2011 | |
| #19127 | Time to liveGCPC 2011 | |
| #19128 | BattleshipGCPC 2012 | |
| #19129 | BrainFuckVMGCPC 2012 | |
| #19130 | Candy DistributionGCPC 2012 | |
| #19131 | OutsourcingGCPC 2012 | |
| #19132 | Pizza HawaiiGCPC 2012 | |
| #19133 | Roller coaster funGCPC 2012 | |
| #19134 | Ski JumpingGCPC 2012 | |
| #19135 | Suffix Array Re-constructionGCPC 2012 | |
| #19136 | Touchscreen KeyboardGCPC 2012 | |
| #19137 | Track SmoothingGCPC 2012 | |
| #19138 | Treasure DivingGCPC 2012 | |
| #19139 | BoggleGCPC 2013 | |
| #19140 | BookingGCPC 2013 | |
| #19141 | ChessGCPC 2013 | |
| #19142 | KastenlaufGCPC 2013 | |
| #19143 | No Trees But FlowersGCPC 2013 | |
| #19144 | Peg SolitaireGCPC 2013 | |
| #19145 | RingworldGCPC 2013 | |
| #19146 | The King of the NorthGCPC 2013 | |
| #19147 | Ticket DrawGCPC 2013 | |
| #19148 | TimingGCPC 2013 | |
| #19149 | TrianglesGCPC 2013 | |
| #19161 | A Journey to GreeceGCPC 2015 | |
| #19162 | Bounty Hunter IIGCPC 2015 | |
| #19163 | CakeGCPC 2015 | |
| #19164 | CarpetsGCPC 2015 | |
| #19165 | Change of SceneryGCPC 2015 | |
| #19166 | DivisionsGCPC 2015 | |
| #19167 | Extreme SortGCPC 2015 | |
| #19168 | Legacy CodeGCPC 2015 | |
| #19169 | Milling machinesGCPC 2015 | |
| #19170 | SouvenirsGCPC 2015 | |
| #19171 | Upside down primesGCPC 2015 | |
| #19172 | DwarvesGCPC 2016 | |
| #19173 | Correcting CheeseburgersGCPC 2016 | |
| #19174 | Knapsack in a Globalized WorldGCPC 2016 | |
| #19175 | Matrix CypherGCPC 2016 | |
| #19176 | Model RailroadGCPC 2016 | |
| #19177 | One-Way RoadsGCPC 2016 | |
| #19178 | FormulaGCPC 2016 | |
| #19179 | Celestial MapGCPC 2016 | |
| #19180 | Common KnowledgeGCPC 2016 | |
| #19181 | Selling CPUsGCPC 2016 | |
| #19182 | RoutingGCPC 2016 | |
| #19183 | MazeGCPC 2016 | |
| #19184 | Drawing BordersGCPC 2017 | |
| #19185 | BuildingsGCPC 2017 | |
| #19186 | JoyrideGCPC 2017 | |
| #19187 | Pants On FireGCPC 2017 | |
| #19188 | Perpetuum MobileGCPC 2017 | |
| #19189 | Plug It In!GCPC 2017 | |
| #19190 | Water TestingGCPC 2017 | |
| #19191 | RatatöskrGCPC 2017 | |
| #19192 | ÜberwatchGCPC 2017 | |
| #19193 | Word ClockGCPC 2017 | |
| #19194 | You Are Fired!GCPC 2017 | |
| #19195 | ASM – The Abelian Sandpile ModelBAPC 2005 | |
| #19196 | Cell PhonesBAPC 2005 | |
| #19197 | EvacuationBAPC 2005 | |
| #19198 | Giant CoverBAPC 2005 | |
| #19199 | North-Western WindsBAPC 2005 | |
| #19200 | Shepherds and EngineersBAPC 2005 | |