Collatz in C in bytes. Cheevos Holes Recent Holes Langs Medals Misc All Holes 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 Billiards brainfuck Card Number Validation 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 Kaprekar Numbers 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 PalindromemordnilaP Pangram Grep Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Partition Numbers QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Set Snake Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Rockstar 2 Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Racket Rebol Rexx Scala Squirrel Stax Uiua Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Rockstar 2 Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Racket Rebol Rexx Scala Squirrel Stax Uiua Vyxal Hole All 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 Billiards brainfuck Card Number Validation 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 Kaprekar Numbers 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 PalindromemordnilaP Pangram Grep Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Partition Numbers QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Set Snake Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 1st Lydxn 🇨🇦 1,000 65 21 Dec 2023 1st rhdqor213 1,000 65 10 Aug 2024 3rd nai62 942 69 27 Aug 2022 4th GrayJoKing 🇦🇺 929 70 6 May 2022 4th saito-ta 🇯🇵 929 70 21 Dec 2023 4th ovs-code 🇩🇪 929 70 17 Feb 2024 7th GolfingSuccess 🇬🇷 915 71 5 May 2022 7th emplv 🇱🇻 915 71 5 May 2022 7th JayXon 🇺🇸 915 71 7 May 2022 7th nwellnhof 🇩🇪 915 71 5 Jun 2022 7th stefangimmillaro 915 71 2 Jun 2023 7th catfish000 915 71 4 Oct 2023 7th kkoenig 915 71 21 Dec 2023 7th sean-niemann 🇺🇸 915 71 10 Jul 2024 7th masinag 🇮🇹 915 71 6 Oct 2024 16th Irratix 🇳🇱 903 72 4 May 2022 16th m-tkach 🇺🇦 903 72 4 May 2022 16th jared-hughes 903 72 6 Jul 2022 16th michael-pruglo 🇺🇦 903 72 13 Jul 2022 16th Steffan153 🇫🇮 903 72 3 Jan 2023 16th MeWhenI 🇻🇦 903 72 7 May 2023 16th ListeriaM 903 72 22 Aug 2023 16th JohandeRuiter 🇳🇱 903 72 14 Sep 2024 16th larcherMTT 903 72 5 Oct 2024 16th KasperKivimaeki 🇫🇮 903 72 19 Dec 2024 16th snyderek 🇺🇸 903 72 3 days ago 27th NewDefectus 🇮🇱 890 73 6 May 2022 27th Natanaelel 🇸🇪 890 73 15 Jun 2022 27th 5quiwyrm 890 73 19 Oct 2022 27th LorenzoDeGaspari 890 73 27 May 2024 31st inventshah 878 74 4 May 2022 31st undersquire 878 74 24 Jun 2023 31st rdmsr 878 74 24 Jun 2023 31st Bmrl7 878 74 9 Jul 2023 31st Vinterion 878 74 6 Nov 2023 31st Herbert00709 🇵🇱 878 74 22 Dec 2023 37th Alex-x90 🇺🇸 867 75 4 Dec 2022 37th AlephSquirrel 867 75 12 Jan 2023 37th imma-Spring 867 75 15 Nov 2023 37th namelessiw 867 75 13 Dec 2023 37th Jonatan6 🇩🇰 867 75 12 Mar 2024 37th Mandrzejy 🇵🇱 867 75 22 Mar 2024 37th noahgitsham 867 75 20 Jun 2024 37th kaurakeksi 🇫🇮 867 75 29 Dec 2024 45th ZakkkkAttackkkk 🇵🇭 855 76 23 Jul 2022 45th janbehrens 🇩🇪 855 76 21 Apr 2023 45th Yewzir 🇧🇪 855 76 21 Apr 2023 45th Shanethegamer 🇺🇸 855 76 15 May 2023 45th abc7-12 855 76 6 May 2024 45th heanyang1 855 76 20 May 2024 51st aksyristos 844 77 12 Dec 2022 51st elgan65536 844 77 4 Nov 2023 51st Flying-Toast 844 77 17 Apr 2024 54th shellbertt 🇨🇦 833 78 4 May 2022 54th Heathcorp 🇦🇺 833 78 7 May 2022 54th madex 🇩🇪 833 78 29 May 2022 54th Attero 🇸🇪 833 78 3 Aug 2022 54th ibexq 833 78 29 Sep 2022 54th Re-Adventures 🇮🇳 833 78 7 Nov 2022 54th Betuaredead 833 78 5 Jan 2023 54th User2654 833 78 8 Feb 2023 54th KenanHanke 833 78 20 Feb 2023 54th mnbvczx 🇰🇷 833 78 12 Mar 2023 54th annaproxy 833 78 4 Jun 2023 54th snoozingnewt 🇺🇸 833 78 23 Sep 2023 54th weliveinhell 🇭🇹 833 78 2 Oct 2023 54th DialFrost 🇸🇬 833 78 1 Nov 2023 54th ehulinsky 🇺🇸 833 78 16 Feb 2024 54th Luca2812 833 78 4 Mar 2024 54th 0xV0RT3X 833 78 4 Mar 2024 54th dokutan 833 78 17 Mar 2024 54th emgordon154 833 78 25 Jul 2024 54th BlankSpruce 833 78 20 Aug 2024 54th madeforlosers 833 78 5 Sep 2024 54th rniii 833 78 24 Sep 2024 1–75 of 210 Next