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 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 Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 145th roguh 🇬🇹 739 88 15 Jan 2024 145th northsuperman 739 88 24 Mar 2024 153rd RealAMC 🇳🇿 730 89 15 Nov 2023 153rd mathb0y512 730 89 25 Jun 2024 153rd Mabeloid 🇳🇴 730 89 25 Sep 2024 156th Starwort 🇬🇧 722 90 11 Nov 2022 157th astdefu 714 91 10 Dec 2022 157th msbranicky 714 91 9 Jan 2024 159th MaxElf999 707 92 5 Feb 2023 159th ComputerKWasTaken 🇺🇸 707 92 20 Jan 2025 161st LawrenceZ1A 🇨🇦 699 93 25 May 2022 161st jaxmattfair 🇺🇸 699 93 10 Jan 2023 161st Maximizer02 699 93 7 May 2024 161st BlueGummi 699 93 15 Apr 2025 161st 0dyse 699 93 23 Apr 2025 166th Smetalo 691 94 25 Aug 2022 166th kellantech 691 94 8 Aug 2023 166th xX0T1Xx 691 94 12 Dec 2023 169th matejmatik123 🇸🇰 684 95 3 days ago 170th NeatCrown 🇨🇦 670 97 14 Dec 2022 171st calinous 🇷🇴 663 98 2 Mar 2023 171st jtaxen 663 98 14 Apr 2024 173rd Azearia 650 100 6 Jul 2023 174th Sephirem98 637 102 25 Oct 2023 175th galloj 🇨🇿 631 103 20 May 2023 175th Pyro569 631 103 28 Jul 2023 177th TornadoCookie 607 107 17 Oct 2022 177th gjoacorp 607 107 3 Mar 2023 177th aarooosh 607 107 8 Aug 2024 180th dillon-duncando 602 108 22 Sep 2022 181st MasFlam 596 109 21 Jun 2024 182nd tweska 🇳🇱 591 110 5 Jun 2023 182nd Jaro32768 🇸🇰 591 110 8 Feb 2024 184th michztl01 586 111 1 Jun 2022 185th kenballus 580 112 13 Jul 2022 185th nandanjp 580 112 29 Mar 2023 185th CyberTapir 580 112 27 Aug 2024 188th Giantnoodlemonster 575 113 14 Sep 2024 189th pinguicula 570 114 6 Apr 2023 189th fkantelberg 570 114 15 Jul 2023 191st TerenceTux 565 115 22 May 2023 192nd tik25 556 117 28 Mar 2024 193rd 104210 542 120 29 Jul 2022 194th Qruintrox 537 121 25 Jun 2023 195th aDwarfNamedUrist 533 122 12 Jul 2023 195th Alex-Huggett 🇬🇧 533 122 14 Apr 2024 197th cgjohannsen 528 123 12 Jun 2022 198th TotoAJ 520 125 15 Dec 2023 198th mrmena 🇦🇺 520 125 19 Mar 2024 200th StronkCheese 🇺🇸 516 126 18 Feb 2023 201st MEarley 504 129 19 Sep 2023 202nd wearsunscreen 489 133 19 Oct 2023 203rd 4ndyJ 🇬🇧 485 134 16 Dec 2022 203rd programmeruser2 485 134 3 Mar 2023 205th julianreece 468 139 29 Apr 2025 206th myclevorname 🇺🇸 448 145 20 Aug 2023 207th Bodo171 445 146 6 Dec 2022 208th jameswmccarty 439 148 24 Sep 2024 209th craftablescience 417 156 19 Sep 2023 210th NOS4A5I 411 158 30 Dec 2022 211th calum12345 396 164 27 Mar 2025 212th george1605 342 190 14 Feb 2023 213th kevinnaviapaiva 322 202 20 Feb 2025 214th taha-daneshmand 188 345 2 Oct 2024 215th MaNafromSaar 169 384 14 Nov 2023 216th somT-oss 150 432 26 Nov 2024 217th Haksell 🇦🇶 20 3,242 28 Feb 2023 218th KatieLG-Transpiler 🇬🇧 15 4,245 23 Jun 2022 219th KatieLG 🇬🇧 15 4,248 4 May 2022 Prev 151–219 of 219