QOJ.ac

QOJ

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IDProblem Interactive Output Only CommunicationRating
#1401Making Friends is FunJOISC 2014 Day 2
#1402Collecting StampsJOISC 2014 Day 2
#1403JOIOJIJOISC 2014 Day 3
#1404ScarecrowsJOISC 2014 Day 3
#1405VoltageJOISC 2014 Day 3
#1406Constellation 2JOISC 2014 Day 4
#1407Kanji ShiritoriJOISC 2014 Day 4Communication
#1408StrapsJOISC 2014 Day 4
#1409Bus TourJOISC 2013 Day 1
#1410Collecting Images is FunJOISC 2013 Day 1
#1411Communication JammingJOISC 2013 Day 1
#1412JOI PosterJOISC 2013 Day 1
#1413Construction ProjectJOISC 2013 Day 2
#1414MascotsJOISC 2013 Day 2
#1415SpyJOISC 2013 Day 2
#1416CakeJOISC 2013 Day 3
#1417KoalaJOISC 2013 Day 3
#1418Mountain Rescue TeamJOISC 2013 Day 3Interactive
#1420PresentsJOISC 2013 Day 4
#1421SpaceshipsJOISC 2013 Day 4
#1422AvgPetrozavodsk Winter 2020 Day 7Gennady Korotkevich Contest
#1423BinPetrozavodsk Winter 2020 Day 7Gennady Korotkevich Contest
#1424CatPetrozavodsk Winter 2020 Day 7Gennady Korotkevich Contest
#1425DivPetrozavodsk Winter 2020 Day 7Gennady Korotkevich Contest
#1426ExpPetrozavodsk Winter 2020 Day 7Gennady Korotkevich Contest
#1427FlipPetrozavodsk Winter 2020 Day 7Gennady Korotkevich Contest
#1428GrpPetrozavodsk Winter 2020 Day 7Gennady Korotkevich Contest
#1429HitPetrozavodsk Winter 2020 Day 7Gennady Korotkevich Contest
#1430IneqPetrozavodsk Winter 2020 Day 7Gennady Korotkevich Contest
#1431JoyPetrozavodsk Winter 2020 Day 7Gennady Korotkevich Contest
#1432KilkPetrozavodsk Winter 2020 Day 7Gennady Korotkevich Contest
#1433OutlierPetrozavodsk Winter 2020 Day 6
#1434A Math ProblemPetrozavodsk Winter 2020 Day 6
#1435A Permutation ProblemPetrozavodsk Winter 2020 Day 6
#1436Split in SetsPetrozavodsk Winter 2020 Day 6
#1437The Destruction of the CrystalsPetrozavodsk Winter 2020 Day 6
#1438BallsPetrozavodsk Winter 2020 Day 6
#1439Football MatchPetrozavodsk Winter 2020 Day 6
#1440HillPetrozavodsk Winter 2020 Day 6
#1441Special GamePetrozavodsk Winter 2020 Day 6
#1442Even More Exciting GamePetrozavodsk Winter 2020 Day 6
#1443Potato ShufflePetrozavodsk Winter 2020 Day 6
#1444PalindromePetrozavodsk Winter 2020 Day 6
#1449Mountain SkylineWaterloo Fall 2021 Local
#1450 NoiseWaterloo Fall 2021 Local
#1451Bus ConnectionsWaterloo Fall 2021 Local
#1452Not Long EnoughWaterloo Fall 2021 Local
#1453FroggerWaterloo Fall 2021 Local
#1454Um nik's AlgorithmPetrozavodsk Winter 2020 Day 8
#1455String AlgorithmPetrozavodsk Winter 2020 Day 8
#1456StalinSort AlgorithmPetrozavodsk Winter 2020 Day 8
#1457FFT AlgorithmPetrozavodsk Winter 2020 Day 8
#1458Binary Search AlgorithmPetrozavodsk Winter 2020 Day 8Interactive
#1459Face Recognition AlgorithmPetrozavodsk Winter 2020 Day 8
#1460Petr's AlgorithmPetrozavodsk Winter 2020 Day 8
#1461Greedy AlgorithmPetrozavodsk Winter 2020 Day 8
#1462Euclid's AlgorithmPetrozavodsk Winter 2020 Day 8
#1463Closest Pair AlgorithmPetrozavodsk Winter 2020 Day 8
#1464Interactive AlgorithmPetrozavodsk Winter 2020 Day 8Interactive
#1465Not Our ProblemPetrozavodsk Winter 2020 Day 8
#1466Quick ChangeGreater New York Regional 2006
#1467Triangular SumsGreater New York Regional 2006
#1468Shuffle'm UpGreater New York Regional 2006
#1469Push Button LockGreater New York Regional 2006
#1470Sign Message FormattingGreater New York Regional 2006
#1471Visible Lattice PointsGreater New York Regional 2006
#1472Triangular N-Queens ProblemGreater New York Regional 2006
#1473Non-divisible 2-3 Power SumsGreater New York Regional 2006
#1474Margaritas on the River WalkGreater New York Regional 2006
#1479Islands in the Data StreamGreater New York Regional 2013
#1480Von Neumann's FlyGreater New York Regional 2013
#1481Strahler OrderGreater New York Regional 2013
#1482Pisano PeriodsGreater New York Regional 2013
#1483Deranged ExamsGreater New York Regional 2013
#1484ChompGreater New York Regional 2013Unavailable
#1485Triangle Count Sequences of Polygon TriangulationsGreater New York Regional 2013
#1486Powers of PascalGreater New York Regional 2013
#1487ContrabandGreater New York Regional 2013
#1488Hexagonal TerritoryAPIO 2021
#1489Rainforest JumpsAPIO 2021
#1490Road ClosuresAPIO 2021
#1492Standing Out from the HerdUSACO 2017 December Platinum
#1493Push a BoxUSACO 2017 December Platinum
#1494Greedy Gift TakersUSACO 2017 December Platinum
#1495LifeguardsUSACO 2018 January Platinum
#1496Cow at LargeUSACO 2018 January Platinum
#1497SprinklersUSACO 2018 January Platinum
#1498SlingshotUSACO 2018 February Platinum
#1499New BarnsUSACO 2018 February Platinum
#1500Cow GymnastsUSACO 2018 February Platinum
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