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> halakreishan7 · 384 of 384 solved problems · arena profile

• 13002127B · Hamiiid, Haaamid... Hamid?Jun 2026
• 12001916C · Training Before the OlympiadJun 2026
• 12002002C · Black CirclesJun 2026
• 10002005B1 · The Strict Teacher (Easy Version)Jun 2026
• 12002005B2 · The Strict Teacher (Hard Version)Jun 2026
• 12001857C · Assembly via MinimumsJun 2026
• 12002227D · PalindromexJun 2026
• 12001539C · Stable GroupsJun 2026
• 12001100C · NN and the Optical IllusionJun 2026
• 12001987C · Basil's GardenJun 2026
• 12002121C · Those Who Are With UsJun 2026
• 1000500A · New Year TransportationJun 2026
• 9002094C · Brr Brrr PatapimJun 2026
• 9002226B · Everything EverywhereJun 2026
• 13002033D · Kousuke's AssignmentJun 2026
• 12002174A · Needle in a HaystackJun 2026
• 12001364A · XXXXXJun 2026
• 11001872C · Non-coprime SplitJun 2026
• 12001371B · Magical CalendarJun 2026
• 11001610B · Kalindrome ArrayJun 2026
• 11001780B · GCD PartitionJun 2026
• 11001948B · Array FixJun 2026
• 11002024B · Buying LemonadeJun 2026
• 8002236B · Tatar TV ShowJun 2026
• 8002236A · Games on the TrainJun 2026
• 11001594B · Special NumbersJun 2026
• 11002103B · Binary TypewriterJun 2026
• 11001811C · Restore the ArrayJun 2026
• 9002110B · Down with BracketsJun 2026
• 10001847B · Hamon OdysseyJun 2026
• 1600371C · HamburgersMay 2026
• 1500165B · Burning Midnight OilMay 2026
• 16001520F1 · Guess the K-th Zero (Easy version)May 2026
• 14001878E · Iva & PavMay 2026
• 1500670D2 · Magic Powder - 2May 2026
• 1400670D1 · Magic Powder - 1May 2026
• 8002227C · SnowfallMay 2026
• 8002227B · Party MonsterMay 2026
• 8002227A · KosharyMay 2026
• 800177A2 · Good Matrix ElementsMay 2026
• 800263A · Beautiful MatrixMay 2026
• 800510A · Fox And SnakeMay 2026
• 11001616B · Mirror in the StringApr 2026
• 8001114A · Got Any Grapes?Apr 2026
• 9002209B · ArrayApr 2026
• 8002207A · 1-1Apr 2026
• 80012A · Super AgentApr 2026
• 800702A · Maximum IncreaseApr 2026
• 800282A · Bit++Apr 2026
• 90096A · FootballApr 2026