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 Calendar 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 Multitap Input 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 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 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar 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 Multitap Input 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 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 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 76th emgordon154 0 50 424ms 9 May 2025 82nd lifthrasiir 🇰🇷 0 51 433ms 11 Dec 2024 82nd Shanethegamer 🇺🇸 0 51 5ms 30 Apr 2025 82nd GolfingSuccess 🇬🇷 0 51 136ms 8 May 2025 82nd rucin93 🇵🇱 0 51 139ms 8 May 2025 82nd Shanethegamer 🇺🇸 0 51 137ms 8 May 2025 82nd sean-niemann 🇺🇸 0 51 130ms 9 May 2025 82nd DialFrost 🇸🇬 0 51 285ms 8 Sep 2025 89th DialFrost 🇸🇬 0 52 474ms 17 Feb 2025 90th antimon2 🇯🇵 0 53 320ms 16 Dec 2024 90th Shanethegamer 🇺🇸 0 53 330ms 1 Feb 2025 90th dokutan 0 53 531ms 15 Aug 2025 90th MeWhenI 🇻🇦 0 53 393ms 21 Nov 2025 90th albanian-laundromat 0 53 485ms 24 days ago 95th Shanethegamer 🇺🇸 0 54 69ms 12 Dec 2024 95th DialFrost 🇸🇬 0 54 261ms 17 Feb 2025 95th error256 0 54 66ms 12 Apr 2025 95th albanian-laundromat 0 54 864ms 23 days ago 99th Shanethegamer 🇺🇸 0 56 66ms 30 Apr 2025 99th GolfingSuccess 🇬🇷 0 56 73ms 8 May 2025 99th sean-niemann 🇺🇸 0 56 67ms 8 May 2025 99th DialFrost 🇸🇬 0 56 2,628ms 16 Dec 2025 103rd Shanethegamer 🇺🇸 0 57 293ms 25 May 2025 103rd sean-niemann 🇺🇸 0 57 136ms 25 May 2025 103rd edsrzf 🇳🇿 0 57 120ms 25 May 2025 103rd GolfingSuccess 🇬🇷 0 57 119ms 13 Dec 2025 107th GolfingSuccess 🇬🇷 0 58 4,218ms 8 May 2025 108th GolfingSuccess 🇬🇷 0 59 17ms 8 May 2025 108th IanUtley 0 59 17ms 8 May 2025 108th GolfingSuccess 🇬🇷 0 59 63ms 8 May 2025 108th Natanaelel 🇸🇪 0 59 36ms 16 Nov 2025 112th GolfingSuccess 🇬🇷 0 61 2,178ms 8 May 2025 113th lifthrasiir 🇰🇷 0 62 37ms 22 Nov 2024 113th GolfingSuccess 🇬🇷 0 62 15ms 25 Nov 2024 113th AlephSquirrel 0 62 15ms 25 Nov 2024 113th hallvabo 🇳🇴 0 62 38ms 26 Nov 2024 113th kg583 🇺🇸 0 62 36ms 1 Dec 2024 113th CornerMercury 🇬🇧 0 62 15ms 3 Dec 2024 113th ndren 0 62 15ms 3 Dec 2024 113th btnlq 0 62 15ms 4 Dec 2024 113th Shanethegamer 🇺🇸 0 62 16ms 10 Dec 2024 113th Artemis21 🇬🇧 0 62 16ms 24 Dec 2024 113th ovs-code 🇩🇪 0 62 17ms 5 Jan 2025 113th khvdm 0 62 17ms 12 Jan 2025 113th bricknellj 0 62 16ms 30 Jan 2025 113th DialFrost 🇸🇬 0 62 18ms 17 Feb 2025 113th pardouin 🇫🇷 0 62 14ms 24 Feb 2025 113th error256 0 62 16ms 12 Apr 2025 113th MeWhenI 🇻🇦 0 62 14ms 8 May 2025 113th Shanethegamer 🇺🇸 0 62 2,238ms 8 May 2025 113th sean-niemann 🇺🇸 0 62 16ms 8 May 2025 113th 4atj 0 62 17ms 9 May 2025 113th emgordon154 0 62 16ms 9 May 2025 113th Natanaelel 🇸🇪 0 62 17ms 11 May 2025 113th dokutan 0 62 14ms 15 Aug 2025 113th hiichbindermax 0 62 20ms 17 Aug 2025 113th 5cw 🇺🇸 0 62 15ms 22 Aug 2025 113th commandz0 🇺🇸 0 62 15ms 27 Aug 2025 113th SirBogman 🇺🇸 0 62 15ms 12 Oct 2025 113th KasperKivimaeki 🇫🇮 0 62 16ms 20 Oct 2025 113th albanian-laundromat 0 62 20ms 2 Dec 2025 113th GolfingSuccess 🇬🇷 0 62 8ms 13 Dec 2025 143rd sean-niemann 🇺🇸 0 63 40ms 8 May 2025 143rd albanian-laundromat 0 63 48ms 24 days ago 145th jameswmccarty 0 64 15ms 29 Mar 2025 146th Shanethegamer 🇺🇸 0 66 1,484ms 26 Nov 2024 146th rucin93 🇵🇱 0 66 6ms 8 May 2025 146th sean-niemann 🇺🇸 0 66 6ms 8 May 2025 146th AdrienHache 🇫🇷 0 66 435ms 2 Nov 2025 146th namelessiw 0 66 464ms 2 Nov 2025 146th GolfingSuccess 🇬🇷 0 66 458ms 4 days ago 152nd GolfingSuccess 🇬🇷 0 67 13ms 8 May 2025 153rd Shanethegamer 🇺🇸 0 68 114ms 26 Nov 2024 153rd sean-niemann 🇺🇸 0 68 119ms 8 May 2025 153rd edsrzf 🇳🇿 0 68 110ms 25 May 2025 156th GolfingSuccess 🇬🇷 0 69 9ms 8 May 2025 157th kg583 🇺🇸 0 71 27ms 1 Dec 2024 157th CLOStrophobic 🇮🇹 0 71 13ms 18 Jan 2025 157th GolfingSuccess 🇬🇷 0 71 14ms 7 May 2025 157th edsrzf 🇳🇿 0 71 14ms 8 May 2025 First Prev 81–160 of 235 Next Last