Coding problems

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

Median Across Two ArraysArray · Binary Search · Divide and ConquerHard Find in a Shifted Sorted ArrayArray · Binary SearchMedium First and Last CopyArray · Binary SearchMedium Slot on a Sorted ShelfArray · Binary SearchEasy Whole Square RootMath · Binary SearchEasy Find in a Row-Chained GridArray · Binary Search · MatrixMedium Find in a Shifted Array With RepeatsArray · Binary SearchMedium Minimum of a Shifted ListArray · Binary SearchMedium Minimum of a Shifted Array With RepeatsArray · Binary SearchHard The Lone SummitArray · Binary SearchMedium Pair in a Sorted ListArray · Two Pointers · Binary SearchMedium Shortest Stretch to the GoalArray · Binary Search · Prefix SumMedium Size of a Packed TreeBit Manipulation · Tree · Binary SearchEasy Find in a Grid Sorted Both WaysArray · Binary Search · Divide and ConquerMedium Triples Under a LimitArray · Two Pointers · Binary SearchMedium The Lost TicketBit Manipulation · Array · Hash TableEasy Nearest Value in a Search TreeTree · Depth-First Search · Binary Search TreeEasy Impact Score From a Sorted ListArray · Binary SearchMedium Spot the Extra CopyBit Manipulation · Array · Two PointersMedium Longest Rising SelectionArray · Binary Search · Dynamic ProgrammingMedium Frame Around an Ink BlotDepth-First Search · Breadth-First Search · ArrayHard Smaller Values to the RightBinary Indexed Tree · Segment Tree · ArrayHard Window Sums Within a BandBinary Indexed Tree · Segment Tree · ArrayHard Values in Both ListsArray · Hash Table · Two PointersEasy Shared Values With RepeatsArray · Hash Table · Two PointersEasy Boxes Inside BoxesArray · Binary Search · Dynamic ProgrammingHard Richest Plot Under the CapArray · Binary Search · MatrixHard Tiles Into a Full SquareMath · Binary SearchEasy K-th Smallest in a Sorted GridArray · Binary Search · MatrixMedium Digit of Endless CountingMath · Binary SearchMedium The Heaviest Reading DayGreedy · Array · Binary SearchHard Nearest Following SlotArray · Binary Search · SortingMedium Full Pyramid RowsMath · Binary SearchEasy Low, Peak, MiddleStack · Array · Binary SearchMedium Warm Every CabinArray · Two Pointers · Binary SearchMedium A Base of All OnesMath · Binary SearchHard Pairs With a Steep DropBinary Indexed Tree · Segment Tree · ArrayHard Pairs With a Fixed GapArray · Hash Table · Two PointersMedium The Unpaired Value in a Sorted RowArray · Binary SearchMedium Stick Triples That Form a TriangleGreedy · Array · Two PointersMedium Two Squares Make ItMath · Two Pointers · Binary SearchMedium Best Average of a Long StretchArray · Binary Search · Prefix SumHard Nearest k ValuesArray · Two Pointers · Binary SearchMedium K-th Value in a Times TableMath · Binary SearchHard Find in a Sorted ListArray · Binary SearchEasy Windows With a Small ProductArray · Binary Search · Prefix SumMedium Longest Shared RunArray · Binary Search · Dynamic ProgrammingMedium K-th Smallest Pair GapArray · Two Pointers · Binary SearchHard Next Letter, Wrapping AroundArray · Binary SearchEasy Growing Steps on a LineMath · Binary SearchMedium

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