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Problemset

3,464 problems · filtered by 1 tag

#NameRatingSolved
630NForecast13005.3k
630PArea of a Star21001.4k
630QPyramids17001.5k
630RGame12009.7k
628ATennis Tournament10007.1k
627AXOR Equation17004.8k
626BCards13007k
626CBlock Towers16004.6k
626ESimple Skewness24001.7k
626GRaffles3100813
625AGuest From the Past17005.7k
625DFinals in arithmetic2400708
624ASave Luke80011.2k
623DBirthday2700586
623ETransforming Sequence3300715
622AInfinite Sequence100010.3k
622FThe Sum of the k-th Powers26005.1k
621CWet Shark and Flowers17006.4k
621DRat Kwesh and Cheese24001.1k
620AProfessor GukiZ's Robot80014.4k
618GCombining Slimes3300273
617AElephant800257.6k
616ESum of Remainders22003.7k
615DMultipliers20004.3k
615EHexagons21001.1k
614BGena's Code14007.3k
613CNecklace25001.1k
612BHDD is Outdated Technology12007.7k
612CReplace To Make Regular Bracket Sequence140010.1k
612ESquare Root of Permutation22002.1k
610APasha and Stick100028.1k
609CLoad Balancing15007.5k
608ASaitama Destroys Hotel100010k
603AAlternative Thinking16008.3k
603BMoodular Arithmetic18002.7k
603CLieges of Legendre22002.1k
603DRuminations on Ruminants2900394
603EPastoral Oddities30001.6k
601BLipshitz Sequence21002.5k
601CKleofáš and the n-thlon23001.5k
599DSpongebob and Squares19002.7k
598ATricky Sum90033k
597ADivisibility16005k
596DWilbur and Trees2300770
595BPasha and Phone16003.1k
593CBeautiful Function2200338
593DHappy Tree Party24001.5k
592BThe Monster and the Squirrel11008.9k
592CThe Big Race18003.2k
591AWizards' Duel90017.4k
590BChip 'n Dale Rescue Rangers21002.1k
588BDuff in Love130015.1k
585EPresent for Vitalik the Philatelist 29001.3k
584AOlesya and Rodion100053.6k
584DDima and Lisa180011.3k
584EAnton and Ira23001.5k
582DNumber of Binominal Coefficients3300830
581AVasya the Hipster80086.5k
581BLuxurious Houses110013.7k
581CDeveloping Skills14007.7k
581DThree Logos17004.9k
578AA Problem about Polyline17005k
576AVasya and Petya's Game150016.1k
575AFibonotci2700893
575HBots18001.9k
573ABear and Poker130018.8k
573BBear and Blocks16006.4k
571ALengthening Sticks21002.7k
571EGeometric Progressions3200355
570BSimple Game130017k
569AMusic15005.1k
569BInventory12007.5k
568APrimes or Palindromes?16005.4k
568BSymmetric and Transitive19002.4k
568DSign Posts2800340
566FClique in the Divisibility Graph15004.3k
559AGerald's Hexagon160011.1k
559CGerald and Giant Chess22008.3k
558CAmr and Chemistry19004.2k
557AIlya and Diplomas11008.5k
557BPasha and Tea15007.5k
557CArthur and Table19004.3k
557DVitaly and Cycle20002.4k
555DCase of a Top Secret2500961
554AKyoya and Photobooks90014.6k
553AKyoya and Colored Balls150010.1k
553BKyoya and Permutation19002.3k
553EKyoya and Train3200730
552AVanya and Table100010.3k
552BVanya and Books120016.1k
552CVanya and Scales19005.9k
552DVanya and Triangles19004.9k
551DGukiZ and Binary Operations21002.1k
550CDivisibility by Eight150032.7k
550EBrackets in Implications22001.5k
549ESasha Circle2700179
549HDegenerate Matrix21002.1k
547AMike and Frog22002.8k
547CMike and Foam23003.5k
546ASoldier and Bananas800242.5k

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