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Coding problems

Algorithm problems with tests in Python, JavaScript, Java, Go and C++, checked on our server.

Stone Pile: Who Moves FirstBrainteaser · Math · Game TheoryEasyA Safe Budget for GuessingMath · Dynamic Programming · Game TheoryMediumShared Pool Race to a GoalBit Manipulation · Memoization · MathMediumDuel for the End CardsRecursion · Array · MathMediumXOR Tile DuelBit Manipulation · Brainteaser · ArrayHardDuel for the End HeapsArray · Math · Dynamic ProgrammingMediumThief and GuardGraph · Topological Sort · MemoizationHardDivisor Subtraction DuelBrainteaser · Math · Dynamic ProgrammingEasyThe Growing Grab LimitArray · Math · Dynamic ProgrammingMediumGrab Up to Three CardsArray · Math · Dynamic ProgrammingHardSquare Pebble DuelMath · Dynamic Programming · Game TheoryHardThe Middle BagGreedy · Array · MathMediumKeep the Lighter HalfArray · Math · Dynamic ProgrammingHardSame Prizes, Different TastesGreedy · Array · MathMediumScoring What RemainsArray · Math · Dynamic ProgrammingMediumMouse, Cat and CheeseGraph · Topological Sort · MemoizationHardMerge the Front TilesArray · Math · Dynamic ProgrammingHardTake From Any PileBit Manipulation · Brainteaser · ArrayMediumLucky Ticket With BlanksGreedy · Math · StringMediumPruning Duel on a Growing TreeTree · Math · Dynamic ProgrammingHardNever a Multiple of ThreeGreedy · Array · MathMediumSandwiched Chip DuelGreedy · Math · StringMediumWord Topping DuelGreedy · Array · MathHardA Toll of 115Math · Game Theory · SimulationEasyThe Vowel Cutting GameBrainteaser · Math · StringMediumKnight Versus PawnsBit Manipulation · Breadth-First Search · ArrayHard