ISBN in C in chars.Cheevos Holes Recent Holes Langs Medals Misc All Holes12 Days of Christmas24 Game99 Bottles of BeerAbundant NumbersAbundant Numbers (Long)Arabic to RomanArithmetic NumbersArrowsAscending PrimesASCII TablebrainfuckCatalan NumbersCatalan’s ConstantChristmas TreesCollatzCSS ColorsCubesDay of WeekDFA SimulatorDiamondsDivisorsEmirp NumbersEmirp Numbers (Long)EmojifyEvil NumbersEvil Numbers (Long)Factorial FactorisationFarey SequenceFibonacciFizz BuzzFoo Fizz Buzz BarForsyth–Edwards NotationFractionsGame of LifeGijswijt’s SequenceHappy NumbersHappy Numbers (Long)HexdumpIntersectionInventory SequenceISBNJacobi SymbolKolakoski ConstantKolakoski SequenceLeap YearsLevenshtein DistanceLeyland Numbersln 2Look and SayLucky NumbersLucky TicketsMahjongMazeMedal TallyMorse DecoderMorse EncoderMusical ChordsN QueensNiven NumbersNiven Numbers (Long)Number SpiralOdious NumbersOdious Numbers (Long)Ordinal NumbersPangram GrepPascal’s TrianglePernicious NumbersPernicious Numbers (Long)PokerPrime NumbersPrime Numbers (Long)Proximity GridQR DecoderQuineRecamánRepeating DecimalsReverse Polish NotationRijndael S-boxRock-paper-scissors-Spock-lizardRoman to ArabicRule 110Seven SegmentSI UnitsSierpiński TriangleSmith NumbersSpelling NumbersStar Wars Opening CrawlSudokuSudoku v2Ten-pin BowlingTime DistanceTongue-twistersUnited StatesVampire NumbersVan Eck SequenceZodiac Signsγλπτφ√2𝑒 All Languages><>AssemblyAWKBashBASICBerrybrainfuckCC#C++ClojureCOBOLCoconutCrystalDDartElixirF#FactorForthFortranGoGolfScriptHaskellHexagonyJJanetJavaJavaScriptJuliaKLispLuaNimOCamlPascalPerlPHPPowerShellPrologPythonRRakuRockstarRubyRustsedSQLSwiftTclTeXVVimLWrenZig Bytes CharsScoringBytes CharsLanguageAll ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript Julia K Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust sed SQL Swift Tcl TeX V VimL Wren ZigHoleAll 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table brainfuck Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Intersection Inventory Sequence ISBN Jacobi Symbol Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Maze Medal Tally Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers Pangram Grep Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku v2 Ten-pin Bowling Time Distance Tongue-twisters United States Vampire Numbers Van Eck Sequence Zodiac Signs γ λ π τ φ √2 𝑒#GolferLangPointsCharsTime1st AdrienHacheC1,0006721 Mar 20242nd rhdqor213C6779910 Nov 20233rd JayXon 🇺🇸C66310121 May 20233rd nwellnhof 🇩🇪C66310123 Jun 20235th ovs-code 🇩🇪C63810517 Feb 20246th inventshahC62610715 Jul 20237th Alex-x90 🇺🇸C6201088 Aug 20238th prplz 🇦🇺C61510918 Jan 20228th Irratix 🇳🇱C61510913 Jun 20228th xsot 🇸🇬C6151091 Feb 202411th speles 🇺🇦C60911029 Oct 202312th ZakkkkAttackkkk 🇵🇭C6041119 Nov 202312th JohandeRuiter 🇳🇱C6041112 Dec 202312th Szum123321 🇵🇱C6041119 Dec 202315th Shanethegamer 🇺🇸C59811220 Apr 202216th Yewzir 🇧🇪C59311329 Nov 202316th drabart 🇵🇱C59311318 Dec 202318th KasperKivimaeki 🇫🇮C5881149 Mar 202419th madex 🇩🇪C58311510 Apr 202219th FragmentedCurveC58311522 Nov 202319th mathisfun271C5831155 Feb 202419th Mandrzejy 🇵🇱C5831155 Apr 202423rd m-tkach 🇺🇦C57311711 Jan 202224th MeWhenI 🇻🇦C56811825 Aug 202324th sean-niemann 🇺🇸C5681183 Feb 202426th retrohunC55412130 Dec 202227th c0d3-4-F00d 🇩🇪C54912221 Feb 202228th djeedjay 🇳🇱C54012416 Sep 202229th jupj 🇫🇮C53612531 Aug 202230th jared-hughesC52312817 Mar 202231st janbehrens 🇩🇪C51513023 Jun 202331st LHLauriniC51513016 days ago33rd bac0idC51113126 Sep 202334th pandapawskatC5081327 Feb 202235th jgbaldwinbrownC50413313 Oct 202235th klixelC50413327 Nov 202337th violeta-desantisC48913727 Sep 202338th Anonymousellama21C47514114 Apr 202239th Re-Adventures 🇮🇳C4691437 Feb 202239th DrPiranoidC46914321 Oct 202241st biocommando 🇫🇮C46214526 Dec 202241st kallmi28 🇨🇿C46214513 Oct 202343rd MaxElf999C45314819 Dec 202244th second-pumpkinC44715015 Mar 202344th msbranickyC44715020 Aug 202346th Andriamanitra 🇫🇮C43815314 Jul 202347th daschrC42115926 Jun 202348th isaiah0311C41416216 Feb 202349th tomh1012C40416613 Jan 202350th 1231234md5 🇨🇳C38717311 Dec 202351st ColeBardinC36218521 Jul 202251st snoozingnewt 🇺🇸C36218514 Nov 202353rd Sephirem98C3531902 Nov 202354th jacobly0 🇺🇸C3122155 Sep 202354th epic-programmer-guyC31221531 Dec 202356th MateuszPietrzak 🇵🇱C29822522 Nov 202357th zt14427C2492696 Oct 202358th mrmena 🇦🇺C24027914 Mar 202459th Natanaelel 🇸🇪C2342867 Feb 202360th bitsandbeyond 🇳🇱C20133328 Oct 20231–60 of 62 Next