QOJ (Online)

QOJ

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IDProblem Interactive Output Only CommunicationRating
#1I/O Test
#2BoatAPIO 2016
#3FireworksAPIO 2016
#4GapAPIO 2016Interactive
#6玛里苟斯CTT 2014
#7主旋律CTT 2014
#8奇数国CTT 2014
#9简单回路CTT 2014
#10卡常数CTT 2014
#11矩阵变换CTT 2014
#12SumCTT 2014
#13RouterCTT 2014
#14Breaking BomberCTT 2014
#15虫逢CTT 2014
#16玄学CTT 2014
#17文学CTT 2014
#18Police StationCPSPC 2017
#19PyramidCPSPC 2017
#20Robot RaceCPSPC 2017
#21GCD-sumCPSPC 2017
#22Power plantsCPSPC 2017
#23BracketsCPSPC 2017
#24SkiingCPSPC 2017
#25CounterspellsCPSPC 2017
#26Jumbled passwordCPSPC 2017
#27The Battle for WesnothCPSPC 2017
#28Corporate life (after hostile takover)CPSPC 2017
#29Posters on the wallCPSPC 2017
#30Political DevelopmentBaltic OI 2017
#31RailwayBaltic OI 2017
#32TollBaltic OI 2017
#33Cat in a treeBaltic OI 2017
#34FriendsBaltic OI 2017
#35Plus MinusBaltic OI 2017
#39Love PolygonBaltic OI 2018
#40Martian DNABaltic OI 2018
#41Worm WorriesBaltic OI 2018Interactive
#42Alternating CurrentBaltic OI 2018
#43GeneticsBaltic OI 2018
#44PathsBaltic OI 2018
#46PiratesAIPO 2017 National Finals
#47Password checkAIPO 2017 National Finals
#48Paint bucketAIPO 2017 National Finals
#49Counting pathsAIPO 2017 National Finals
#50KnightAIPO 2017 National Finals
#51TilingAIPO 2017 National Finals
#52DebugAIPO 2017 National Finals
#53Boom!AIPO 2017 National Finals
#55欧几里得距离之和
#58Fake Testing Problem
#59Determinant of A+Bz
#61Cut Cut Cut!
#62ExaminationJOISC 2019 Day 1
#63MeetingsJOISC 2019 Day 1Interactive
#64NaanJOISC 2019 Day 1
#65Two AntennasJOISC 2019 Day 2
#66Two DishesJOISC 2019 Day 2
#67Two TransportationsJOISC 2019 Day 2Communication
#68Designated CitiesJOISC 2019 Day 3
#69LampsJOISC 2019 Day 3
#70Bitaro, who Leaps through TimeJOISC 2019 Day 3
#71Cake 3JOISC 2019 Day 4
#72MergersJOISC 2019 Day 4
#73MineralsJOISC 2019 Day 4Interactive
#74Algorithm TeachingLatin American Regional 2019
#75Build the Perfect HouseLatin American Regional 2019
#76Cut Inequality DownLatin American Regional 2019
#77Dazzling StarsLatin American Regional 2019
#78Eggfruit CakeLatin American Regional 2019
#79Fabricating SculpturesLatin American Regional 2019
#80Gluing PicturesLatin American Regional 2019
#81Hold or Continue?Latin American Regional 2019
#82Improve SPAMLatin American Regional 2019
#83Jumping GrasshopperLatin American Regional 2019
#84Know your AliensLatin American Regional 2019
#85Leverage MDTLatin American Regional 2019
#86Mountain RangesLatin American Regional 2019
#87Devil's ShareRMI 2019
#88Lucky NumbersRMI 2019
#89Restore ArrayRMI 2019
#90Fishing GameRMI 2019
#91Secret PermutationRMI 2019Interactive
#92Santa ClausRMI 2019
#93ConfusionPetrozavodsk Summer 2012 Day 1
#94Good Old TablePetrozavodsk Summer 2012 Day 1
#95RadixPetrozavodsk Summer 2012 Day 1
#96Random String GeneratorPetrozavodsk Summer 2012 Day 1
#97United States of BytelandPetrozavodsk Summer 2012 Day 1
#98Students' LifePetrozavodsk Summer 2012 Day 1
#993-substringsPetrozavodsk Summer 2012 Day 1
#100TetrahedronsPetrozavodsk Summer 2012 Day 1