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 Mandelbrot 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 Partition Numbers 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 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT 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 Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort 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 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 Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Vala 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 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 Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Vala 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 Mandelbrot 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 Partition Numbers 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 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT 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 Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 59th dokutan 833 78 17 Mar 2024 59th emgordon154 833 78 25 Jul 2024 59th BlankSpruce 833 78 20 Aug 2024 59th madeforlosers 833 78 5 Sep 2024 59th rniii 833 78 24 Sep 2024 59th FragmentedCurve 833 78 3 Oct 2024 59th cdesodt 833 78 10 Oct 2024 59th Iznoanygod 🇺🇸 833 78 19 Dec 2024 59th LvLError 833 78 29 May 2025 59th Lv0Sys 🇵🇱 833 78 30 May 2025 86th c0d3-4-F00d 🇩🇪 823 79 5 May 2022 86th jgbaldwinbrown 823 79 16 Jun 2022 86th jupj 🇫🇮 823 79 12 Aug 2022 86th tkr-sh 🇫🇷 823 79 20 Aug 2022 86th djeedjay 🇳🇱 823 79 15 Sep 2022 86th ValentinCassayre 823 79 8 Oct 2022 86th namcartoon06 823 79 30 Jun 2023 86th Us1ngTh3Hub 823 79 8 Jul 2023 86th Widgitty 823 79 30 Aug 2023 86th Grrisly 823 79 10 Nov 2023 86th trist224 🇫🇷 823 79 14 Feb 2024 86th mathisfun271 823 79 19 Feb 2024 86th retrohun 823 79 29 Mar 2024 86th HumanoidCPU 823 79 6 May 2024 86th funnyboy-roks 823 79 14 Jun 2024 101st Seek64 🇩🇪 813 80 11 Nov 2022 101st tvcv901 813 80 22 Mar 2023 101st kyleclaassen 813 80 20 May 2023 101st logvp 813 80 1 Feb 2024 101st ei14 813 80 9 May 2024 101st elttil 813 80 8 Jun 2024 101st bac0id 813 80 29 Jun 2024 101st CaedenHarper 🇨🇦 813 80 26 Jan 2025 101st gastropner 813 80 12 hours ago 110th MinorLegato 🇸🇪 802 81 9 May 2022 110th slerpyyy 🇩🇪 802 81 21 Oct 2022 110th violeta-desantis 802 81 22 Sep 2023 110th SebastianoTaddei 802 81 4 Oct 2024 114th Ripick 793 82 10 Nov 2022 114th pandapawskat 793 82 13 Jan 2023 114th annoj 793 82 18 Jan 2023 114th CatsAreFluffy 793 82 18 Feb 2023 114th trinityy-7 793 82 11 Aug 2023 114th nyoshe 793 82 9 Dec 2023 114th NickTheEASDude 🇺🇸 793 82 26 Jan 2024 114th LHLaurini 🇧🇷 793 82 26 Jun 2024 114th lgrandco 793 82 9 Oct 2024 123rd Anonymousellama21 783 83 15 Jun 2022 123rd cmayer777 783 83 15 Oct 2022 123rd nstearns96 🇬🇧 783 83 16 Nov 2022 123rd osmith93 783 83 13 Dec 2022 123rd mhgockel 783 83 15 Apr 2023 123rd funnsam 🇭🇰 783 83 25 Jul 2023 123rd mousetail 🇳🇱 783 83 10 May 2024 130th guilhem-roy 🇫🇷 774 84 5 May 2022 130th resetcentral 774 84 22 May 2022 130th Adrien-AM 774 84 12 Sep 2022 130th ibrahimhanifceker 774 84 9 Aug 2024 130th James-Oswald 🇺🇸 774 84 23 Aug 2024 130th h-hh-hhh 🇺🇦 774 84 6 Nov 2024 136th ms-tingliang 765 85 5 Aug 2022 136th aubergine-sauce 765 85 26 May 2023 136th kallmi28 🇨🇿 765 85 13 Nov 2023 136th azka1368 765 85 23 Nov 2023 136th iilegacyyii 765 85 22 Jan 2024 136th f-tucker 765 85 6 Feb 2024 136th Stockoh 🇫🇷 765 85 29 Sep 2024 143rd garrisonhh 756 86 22 Oct 2022 143rd tpasfieldERAU 756 86 5 Nov 2022 143rd isaiah0311 756 86 16 Feb 2023 143rd piano-miles 756 86 30 Mar 2023 147th razetime 747 87 22 Aug 2022 148th james-downey 739 88 9 Jul 2022 148th jhpaques 🇫🇷 739 88 4 Dec 2022 148th mamalakic 739 88 1 Mar 2023 Prev 76–150 of 223 Next