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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL 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 ><> ALGOL 68 ArkScript 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 APL 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 400th Steffan153 🇫🇮 867 51 17ms 26 Mar 2026 402nd fuzzylojik-golf 🇺🇸 867 81 467ms 23 days ago 402nd DialFrost 🇸🇬 867 81 453ms 10 days ago 404th edsrzf 🇳🇿 867 85 18ms 9 May 2025 404th error256 867 85 19ms 10 May 2025 406th Steffan153 🇫🇮 866 88 336ms 23 days ago 406th edsrzf 🇳🇿 866 88 352ms 23 days ago 406th JayXon 🇺🇸 866 88 335ms 11 days ago 409th dokutan 865 53 431ms 15 Aug 2025 409th MeWhenI 🇻🇦 865 53 458ms 21 Nov 2025 409th albanian-laundromat 🇺🇸 865 53 514ms 15 Jan 2026 409th AlephSquirrel 865 53 511ms 22 Mar 2026 409th snoozingnewt 🇨🇦 865 53 456ms 21 days ago 409th duckyluuk 🇳🇱 865 53 418ms 9 days ago 415th Shanethegamer 🇺🇸 865 89 511ms 24 Sep 2025 415th DialFrost 🇸🇬 865 89 367ms 21 Nov 2025 415th Jacob385 865 89 419ms 3 days ago 418th snoozingnewt 🇨🇦 864 36 40ms 8 days ago 419th Shanethegamer 🇺🇸 864 66 1,500ms 26 Nov 2024 419th albanian-laundromat 🇺🇸 864 66 1,507ms 22 Mar 2026 419th edsrzf 🇳🇿 864 66 1,467ms 25 Mar 2026 419th JayXon 🇺🇸 864 66 1,519ms 17 days ago 419th fuzzylojik-golf 🇺🇸 864 66 1,605ms 13 days ago 424th Shanethegamer 🇺🇸 864 72 31ms 9 Dec 2024 425th fantaize 864 83 166ms 10 Mar 2026 426th Natanaelel 🇸🇪 863 32 37ms 24 Mar 2026 427th Steffan153 🇫🇮 863 76 7ms 23 days ago 427th GolfingSuccess 🇬🇷 863 76 8ms 23 days ago 427th edsrzf 🇳🇿 863 76 7ms 23 days ago 430th KasperKivimaeki 🇫🇮 862 81 4ms 27 days ago 431st sean-niemann 🇺🇸 861 63 43ms 8 May 2025 431st albanian-laundromat 🇺🇸 861 63 44ms 14 Jan 2026 433rd Shanethegamer 🇺🇸 860 62 2,718ms 8 May 2025 434th CaedenHarper 🇨🇦 860 69 565ms 22 Mar 2026 434th MeWhenI 🇻🇦 860 69 491ms 27 Mar 2026 436th Yax42 🇫🇷 860 87 2,460ms 24 Mar 2026 437th zakariamouhid 859 48 12ms 10 days ago 438th rucin93 🇵🇱 859 77 119ms 8 May 2025 438th Shanethegamer 🇺🇸 859 77 145ms 12 Nov 2025 440th GolfingSuccess 🇬🇷 858 59 17ms 8 May 2025 440th IanUtley 858 59 18ms 8 May 2025 440th Steffan153 🇫🇮 858 59 19ms 23 days ago 443rd fuzzylojik-golf 🇺🇸 857 60 16ms 24 Mar 2026 444th GolfingSuccess 🇬🇷 857 82 502ms 8 May 2025 444th emgordon154 857 82 452ms 25 Mar 2026 446th GolfingSuccess 🇬🇷 857 86 20ms 26 Mar 2026 446th Steffan153 🇫🇮 857 86 21ms 26 Mar 2026 448th ovs-code 🇩🇪 857 102 311ms 13 Dec 2025 448th edsrzf 🇳🇿 857 102 336ms 26 Mar 2026 448th Steffan153 🇫🇮 857 102 338ms 26 Mar 2026 448th JayXon 🇺🇸 857 102 344ms 10 days ago 452nd Shanethegamer 🇺🇸 856 89 341ms 6 May 2025 453rd h3ra993huskp 🇯🇵 856 90 434ms 26 days ago 454th Shanethegamer 🇺🇸 854 46 8ms 30 Apr 2025 454th rucin93 🇵🇱 854 46 8ms 11 May 2025 454th emplv 🇱🇻 854 46 9ms 27 days ago 457th DialFrost 🇸🇬 853 70 111ms 10 days ago 458th ovs-code 🇩🇪 853 74 228ms 22 days ago 459th AdrienHache 🇫🇷 852 44 55ms 5 Feb 2026 460th Matter1024 🇮🇳 849 81 45ms 14 Feb 2026 460th albanian-laundromat 🇺🇸 849 81 45ms 21 Mar 2026 460th stefangimmillaro 849 81 44ms 26 Mar 2026 460th DialFrost 🇸🇬 849 81 48ms 10 days ago 464th GolfingSuccess 🇬🇷 849 103 318ms 14 Jan 2026 465th albanian-laundromat 🇺🇸 847 78 91ms 22 Mar 2026 466th edsrzf 🇳🇿 847 85 42ms 8 May 2025 466th kg583 🇺🇸 847 85 43ms 20 days ago 468th Shanethegamer 🇺🇸 847 87 19ms 8 May 2025 469th Shanethegamer 🇺🇸 846 83 484ms 26 Nov 2024 470th emgordon154 846 90 332ms 13 days ago 471st kmathis22 846 91 421ms 24 days ago 472nd edsrzf 🇳🇿 846 104 31ms 23 days ago 473rd Steffan153 🇫🇮 845 91 15ms 10 days ago 474th JayXon 🇺🇸 843 118 10ms 10 days ago 475th duckyluuk 🇳🇱 842 81 42ms 3 days ago 476th dokutan 841 37 45ms 13 days ago 477th not-a-pokemon 841 74 15ms 25 Mar 2026 478th roelderickx 840 86 1,523ms 23 days ago 479th GolfingSuccess 🇬🇷 837 86 42ms 7 May 2025 480th kg583 🇺🇸 837 88 25ms 12 Feb 2026 First Prev 401–480 of 758 Next Last