Coding problems
Algorithm problems with tests in Python, JavaScript, Java, Go and C++, checked on our server.
Shared Start of WordsEasySplit Into Dictionary WordsMediumEvery Way to Space the WordsHardWords Hidden in a Letter GridHardGlued Into a PalindromeHardNumbers in Dictionary OrderMediumMost Different PairMediumMirror Word BlocksHardK-th Number in Dictionary OrderHardWords Built From Shorter WordsHardDistinct Word ShorthandsHardHighlight Search HitsMediumShorten Words to Their RootsMediumMost Searched WordsMediumWord Grown Letter by LetterMediumHighlight Search TermsMediumWords Hidden in a TextMediumWord Tape With Shared EndingsMediumCapitals Follow the PatternMediumDictionary Words in a TextEasyWords That Fit Each PuzzleHardOutermost Folders OnlyMediumTop Three While TypingMediumDoubled FragmentsHardCounting Distinct SubstringsMediumBest XOR Partner Under a CapHardPairs With XOR in a RangeHardEvery Start Is a WordMediumBest XOR Up the Chain of CommandHardPurge Twin FoldersHardDistinct Segments With Few MultiplesMediumPrefix Popularity TotalsHardNearly Dictionary WordsMediumXOR of Two Disjoint SubtreesHardFewest Stray LettersMediumXOR of a Close PairEasyLargest XOR of a Close PairHardPhrase Rewrite RulesHardBookend Word PairsEasyShared Leading DigitsMediumFraming Word PairsHardA Piece Only One Word HasMediumBest Match by EndingHardTarget From Word BeginningsMediumShared Prefix After a RemovalHardNo Number Starts AnotherEasy