QOJ.ac

QOJ

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IDProblem Interactive Output Only CommunicationRating
#1I/O Test
[+69]
#2BoatAPIO 2016
[+33]
#3FireworksAPIO 2016
[+13]
#4GapAPIO 2016Interactive
[+13]
#5在线 O(1) 逆元Interactive
[+54]
#6玛里苟斯清华集训 2014 Day 1CTT 2014 Day 1
[+8]
#7主旋律清华集训 2014 Day 1CTT 2014 Day 1
[+7]
#8奇数国清华集训 2014 Day 1CTT 2014 Day 1
[0]
#9简单回路清华集训 2014 Day 2CTT 2014 Day 2
[-11]
#10卡常数清华集训 2014 Day 2CTT 2014 Day 2
[+4]
#11矩阵变换清华集训 2014 Day 2CTT 2014 Day 2
[+1]
#12Sum清华集训 2014 Day 3CTT 2014 Day 3
[0]
#13Router清华集训 2014 Day 3CTT 2014 Day 3
[-11]
#14Breaking Bomber清华集训 2014 Day 3CTT 2014 Day 3
[-3]
#15虫逢清华集训 2014 Day 4CTT 2014 Day 4
[+5]
#16玄学清华集训 2014 Day 4CTT 2014 Day 4
[+1]
#17文学清华集训 2014 Day 4CTT 2014 Day 4
[0]
#18Police StationCPSPC 2017
[-1]
#19PyramidCPSPC 2017
[0]
#20Robot RaceCPSPC 2017
[+2]
#21GCD-sumCPSPC 2017
[-5]
#22Power plantsCPSPC 2017
[0]
#23BracketsCPSPC 2017
[-2]
#24SkiingCPSPC 2017
[0]
#25CounterspellsCPSPC 2017
[-2]
#26Jumbled passwordCPSPC 2017
[-3]
#27The Battle for WesnothCPSPC 2017
[-2]
#28Corporate life (after hostile takover)CPSPC 2017
[-3]
#29Posters on the wallCPSPC 2017
[-10]
#30Political DevelopmentBaltic OI 2017
[+1]
#31RailwayBaltic OI 2017
[-7]
#32TollBaltic OI 2017
[-9]
#33Cat in a treeBaltic OI 2017
[-8]
#34FriendsBaltic OI 2017
[-9]
#35Plus MinusBaltic OI 2017
[-8]
#39Love PolygonBaltic OI 2018
[+2]
#40Martian DNABaltic OI 2018
[+3]
#41Worm WorriesBaltic OI 2018Interactive
[+3]
#42Alternating CurrentBaltic OI 2018
[+3]
#43GeneticsBaltic OI 2018
[+2]
#44PathsBaltic OI 2018
[-7]
#45Tutte多项式模板题
[0]
#46PiratesAIPO 2017 National Finals
[0]
#47Password checkAIPO 2017 National Finals
[0]
#48Paint bucketAIPO 2017 National Finals
[0]
#49Counting pathsAIPO 2017 National Finals
[+2]
#50KnightAIPO 2017 National Finals
[-2]
#51TilingAIPO 2017 National Finals
[-3]
#52DebugAIPO 2017 National Finals
[-2]
#53Boom!AIPO 2017 National Finals
[-3]
#55欧几里得距离之和
[+32]
#56Nim Product模板题
[0]
#59Determinant of A+Bz
[+20]
#61Cut Cut Cut!
[+20]
#62ExaminationJOISC 2019 Day 1
[-4]
#63MeetingsJOISC 2019 Day 1Interactive
[+4]
#64NaanJOISC 2019 Day 1
[+8]
#65Two AntennasJOISC 2019 Day 2
[+3]
#66Two DishesJOISC 2019 Day 2
[+1]
#67Two TransportationsJOISC 2019 Day 2Communication
[+11]
#68Designated CitiesJOISC 2019 Day 3
[+5]
#69LampsJOISC 2019 Day 3
[+4]
#70Bitaro, who Leaps through TimeJOISC 2019 Day 3
[+4]
#71Cake 3JOISC 2019 Day 4
[0]
#72MergersJOISC 2019 Day 4
[-6]
#73MineralsJOISC 2019 Day 4Interactive
[0]
#74Algorithm TeachingLatin American Regional 2019
[-10]
#75Build the Perfect HouseLatin American Regional 2019
[0]
#76Cut Inequality DownLatin American Regional 2019
[0]
#77Dazzling StarsLatin American Regional 2019
[-1]
#78Eggfruit CakeLatin American Regional 2019
[0]
#79Fabricating SculpturesLatin American Regional 2019
[0]
#80Gluing PicturesLatin American Regional 2019
[+2]
#81Hold or Continue?Latin American Regional 2019
[-1]
#82Improve SPAMLatin American Regional 2019
[0]
#83Jumping GrasshopperLatin American Regional 2019
[+1]
#84Know your AliensLatin American Regional 2019
[+1]
#85Leverage MDTLatin American Regional 2019
[0]
#86Mountain RangesLatin American Regional 2019
[0]
#87Devil's ShareRMI 2019
[+4]
#88Lucky NumbersRMI 2019
[+2]
#89Restore ArrayRMI 2019
[+1]
#90Fishing GameRMI 2019
[+1]
#91Secret PermutationRMI 2019Interactive
[+5]
#92Santa ClausRMI 2019
[-1]
#93ConfusionPetrozavodsk Summer 2012 Day 1
[+1]
#94Good Old TablePetrozavodsk Summer 2012 Day 1
[+11]
#95RadixPetrozavodsk Summer 2012 Day 1
[+2]
#96Random String GeneratorPetrozavodsk Summer 2012 Day 1
[+1]
#97United States of BytelandPetrozavodsk Summer 2012 Day 1
[0]
#98Students' LifePetrozavodsk Summer 2012 Day 1
[+2]
#993-substringsPetrozavodsk Summer 2012 Day 1
[0]
#100TetrahedronsPetrozavodsk Summer 2012 Day 1
[-2]
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