QOJ.ac

QOJ

ID ↑Problème Interactive Output Only CommunicationÉvaluation ⇅
#122Security GateJOISC 2018 Day 3
#319PeriodicityXVIII Olimpiada Informatyczna – III etapPOI 2010/2011 Stage 3
#1142Fountain ParksIOI 2021 Day 1
#1653CodenamesSEERC 2020
#1838Intellectual ImplementationPetrozavodsk Summer 2021 Day 3
#2359The Five BishopsPetrozavodsk Winter 2020 Day 1Interactive
#2373Find the ArraySEERC 2019Interactive
#3509Ants and SugarJOISC 2022 Day 3
#3549262144 RevisitedUSACO 2022 US Open Platinum
#4424Babushka and her pierogiAMPPZ 2021Moscow International Workshops 2021 Day 1
#4435MedianAMPPZ 2021Moscow International Workshops 2021 Day 1
#4563Radio TowersIOI 2022 Day 1
#4635Graph OperationByteDance-Moscow Workshops Camp 2022 Final
#4794SalajPetrozavodsk Summer 2017 Day 2
#4887Fast BridgesPetrozavodsk Summer 2022 Day 7
#5013Astral Birth集训队互测 2022 Round 1
#5070Check Pattern is BadEC-Final 2021
#5148Tree DistanceJinan Regional 2022Ynoi 2004
#6209Connected TownsIOI 2022 PracticeInteractive
#6366MessageMoscow International Workshops 2017 Day 4
#6484Beautiful AutomataSt. Petersburg State University Championship
#6502Disjoint Set UnionCCPC Final 2022
#7083EquanimousMoscow Pre-Finals Workshops 2019 Day 2
#7740Puzzle: Question MarkNanjing Regional 2023
#7777Intro: Dawn of a New EraShenyang Regional 2023
#7899Say Hello to the FutureJinan Regional 2023
#7989三染色CCPC 2023 北京市赛Petrozavodsk Winter 2024 Day 2
#7999拉丁方SNOI 2024 Day 1
#8824Slay the SpireThe 2nd Universal Cup Semifinals
#94890100 Insertion
#10109Master of Modular ArithmeticThe 2nd Universal Cup Finals
#11117Under the EpilogueCCPC Final 2024
#11401Exhibition 3JOISC 2025 Day 1JOIST 2025 Day 1
#11520Rikka with Game
#11532Rikka with Employees
#12218Hall's TheoremPetrozavodsk Winter 2019 Day 1300iq Contest 1
#14129Bipartite GraphMoscow Pre-Finals Workshop 2016 Day 4
#15108Hero of SushiMoscow Regional 2024
#18008Strange Sorting 2CCPC Final 2025
#18010Slay the Spire 2CCPC Final 2025
#18199White Night 2The 3rd Universal Cup Finals
#18200Alternative Accounts 2The 3rd Universal Cup Finals
#18202DFS Order 6The 3rd Universal Cup Finals
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