Coding problems

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

Zero-Sum TriplesArray · Two Pointers · SortingMedium Triple Sum Nearest the TargetArray · Two Pointers · SortingMedium Four Numbers to a TargetArray · Two Pointers · SortingMedium Distinct Orderings With RepeatsArray · Backtracking · SortingMedium Anagram BucketsArray · Hash Table · StringMedium Merging Room BookingsArray · SortingMedium Flags in Three ColorsArray · Two Pointers · SortingMedium Merge Into the Spare TailArray · Two Pointers · SortingEasy Sorting a List by InsertionLinked List · SortingMedium Sorting a Linked ListLinked List · Two Pointers · Divide and ConquerMedium Widest Gap When SortedArray · Bucket Sort · Radix SortMedium The Candidate With Most VotesArray · Hash Table · Divide and ConquerEasy Biggest Number From PiecesGreedy · Array · StringMedium K-th Highest ScoreArray · Divide and Conquer · QuickselectMedium Does Any Value RepeatArray · Hash Table · SortingEasy Close Readings NearbyArray · Bucket Sort · Ordered SetHard More Than a Third of the VotesArray · Hash Table · CountingMedium Same Letters, ReshuffledHash Table · String · SortingEasy Make It to Every MeetingArray · SortingEasy Studios for Recording SessionsGreedy · Array · Two PointersMedium Triples Under a LimitArray · Two Pointers · Binary SearchMedium The Lost TicketBit Manipulation · Array · Hash TableEasy An Author's Impact ScoreArray · Counting Sort · SortingMedium Low, High, LowGreedy · Array · SortingMedium Where the Friends Should MeetArray · Math · MatrixHard Tree Columns, Top DownTree · Depth-First Search · Breadth-First SearchMedium Strictly Low, High, LowGreedy · Array · Divide and ConquerMedium Most Common ValuesArray · Hash Table · Divide and ConquerMedium Values in Both ListsArray · Hash Table · Two PointersEasy Shared Values With RepeatsArray · Hash Table · Two PointersEasy Boxes Inside BoxesArray · Binary Search · Dynamic ProgrammingHard Equal Letters Kept ApartGreedy · Hash Table · StringHard Sorted Parabola ValuesArray · Math · Two PointersMedium Chain of MultiplesArray · Math · Dynamic ProgrammingMedium K-th Smallest in a Sorted GridArray · Binary Search · MatrixMedium The Sneaked-In LetterBit Manipulation · Hash Table · StringEasy Rebuild the Line from Height RecordsBinary Indexed Tree · Segment Tree · ArrayMedium Third Largest Distinct ValueArray · SortingEasy Fewest Meetings to CancelGreedy · Array · Dynamic ProgrammingMedium Nearest Following SlotArray · Binary Search · SortingMedium Characters Grouped by CountHash Table · String · Bucket SortMedium Fewest Darts for the BalloonsGreedy · Array · SortingMedium Cake Slices for GuestsGreedy · Array · Two PointersEasy Meet at One ValueArray · Math · SortingMedium Warm Every CabinArray · Two Pointers · Binary SearchMedium Growing Capital Project by ProjectGreedy · Array · SortingHard Medals and PlacesArray · Sorting · Heap (Priority Queue)Easy A Subsequence of One Word OnlyArray · Hash Table · Two PointersMedium Longest Word by Crossing OutArray · Two Pointers · StringMedium Distinct Word ShorthandsGreedy · Trie · ArrayHard

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