Gray Code Encoder in all languages in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Hilbert Curve 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 Minesweeper 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 Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy 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 Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka 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 Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy 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 Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka 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 Hilbert Curve 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 Minesweeper 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 Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 149th GolfingSuccess 🇬🇷 0 71 14ms 7 May 2025 149th edsrzf 🇳🇿 0 71 14ms 8 May 2025 149th AlephSquirrel 0 71 13ms 9 May 2025 154th Shanethegamer 🇺🇸 0 72 27ms 9 Dec 2024 155th GolfingSuccess 🇬🇷 0 73 14ms 8 May 2025 156th Shanethegamer 🇺🇸 0 75 97ms 26 Nov 2024 156th sean-niemann 🇺🇸 0 75 98ms 8 May 2025 158th GolfingSuccess 🇬🇷 0 76 125ms 11 days ago 159th rucin93 🇵🇱 0 77 119ms 8 May 2025 159th ovs-code 🇩🇪 0 77 91ms 30 May 2025 159th Shanethegamer 🇺🇸 0 77 126ms 27 days ago 162nd saito-ta 🇯🇵 0 78 4ms 10 May 2025 162nd rhdqor213 0 78 4ms 10 May 2025 164th GolfingSuccess 🇬🇷 0 79 80ms 14 May 2025 165th sean-niemann 🇺🇸 0 80 462ms 8 May 2025 166th kumavale 0 81 159ms 14 days ago 167th GolfingSuccess 🇬🇷 0 82 471ms 8 May 2025 168th Shanethegamer 🇺🇸 0 83 463ms 26 Nov 2024 168th emgordon154 0 83 178ms 9 May 2025 168th edsrzf 🇳🇿 0 83 379ms 9 Jul 2025 168th Shanethegamer 🇺🇸 0 83 381ms 9 Jul 2025 172nd Shanethegamer 🇺🇸 0 84 358ms 26 Nov 2024 172nd ovs-code 🇩🇪 0 84 12ms 10 May 2025 174th GolfingSuccess 🇬🇷 0 85 43ms 8 May 2025 174th edsrzf 🇳🇿 0 85 45ms 8 May 2025 174th edsrzf 🇳🇿 0 85 17ms 9 May 2025 174th error256 0 85 18ms 10 May 2025 178th Shanethegamer 🇺🇸 0 86 186ms 17 Dec 2024 178th kg583 🇺🇸 0 86 43ms 16 Feb 2025 178th GolfingSuccess 🇬🇷 0 86 44ms 7 May 2025 178th GolfingSuccess 🇬🇷 0 86 2,039ms 8 May 2025 178th edsrzf 🇳🇿 0 86 174ms 9 May 2025 178th sean-niemann 🇺🇸 0 86 452ms 25 Sep 2025 178th GolfingSuccess 🇬🇷 0 86 7ms 27 days ago 178th MeWhenI 🇻🇦 0 86 441ms 19 days ago 186th Shanethegamer 🇺🇸 0 87 45ms 15 Apr 2025 186th GolfingSuccess 🇬🇷 0 87 18ms 8 May 2025 186th Shanethegamer 🇺🇸 0 87 19ms 8 May 2025 189th GolfingSuccess 🇬🇷 0 88 8ms 27 days ago 190th GolfingSuccess 🇬🇷 0 89 12ms 30 Dec 2024 190th Shanethegamer 🇺🇸 0 89 344ms 6 May 2025 190th Shanethegamer 🇺🇸 0 89 459ms 24 Sep 2025 190th DialFrost 🇸🇬 0 89 433ms 19 days ago 194th KasperKivimaeki 🇫🇮 0 91 13ms 8 May 2025 195th namelessiw 0 92 457ms 10 Oct 2025 196th DialFrost 🇸🇬 0 94 13ms 10 May 2025 196th edsrzf 🇳🇿 0 94 170ms 17 May 2025 198th GolfingSuccess 🇬🇷 0 96 168ms 7 May 2025 199th Shanethegamer 🇺🇸 0 98 7ms 6 May 2025 200th snydej 0 99 41ms 22 Nov 2024 201st sean-niemann 🇺🇸 0 102 270ms 8 May 2025 201st Shanethegamer 🇺🇸 0 102 267ms 8 May 2025 201st edsrzf 🇳🇿 0 102 270ms 9 May 2025 201st GolfingSuccess 🇬🇷 0 102 268ms 9 May 2025 205th lukechampine 0 103 264ms 7 Jun 2025 205th chris124567 0 103 274ms 8 Jun 2025 207th GolfingSuccess 🇬🇷 0 114 396ms 8 May 2025 207th edsrzf 🇳🇿 0 114 16ms 10 May 2025 209th GolfingSuccess 🇬🇷 0 118 34ms 28 Jul 2025 210th saito-ta 🇯🇵 0 128 1,990ms 8 May 2025 211th Natanaelel 🇸🇪 0 130 335ms 2 May 2025 212th Shanethegamer 🇺🇸 0 136 315ms 26 Nov 2024 213th GolfingSuccess 🇬🇷 0 138 309ms 8 May 2025 213th albanian-laundromat 0 138 26ms 16 days ago 215th emgordon154 0 150 15ms 9 May 2025 216th RYSF13 🇨🇳 0 168 13ms 25 Jun 2025 217th Shanethegamer 🇺🇸 0 197 458ms 1 Feb 2025 First Prev 151–217 of 217