Gray Code Decoder 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 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 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 ><> ALGOL 68 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 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 ><> ALGOL 68 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 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 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 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 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 150th 5cw 🇺🇸 0 77 18ms 22 Aug 2025 150th davecame 0 77 150ms 25 Sep 2025 150th SirBogman 🇺🇸 0 77 240ms 13 Oct 2025 150th jtaxen 0 77 19ms 16 Oct 2025 150th albanian-laundromat 0 77 19ms 25 Nov 2025 150th albanian-laundromat 0 77 412ms 6 Dec 2025 150th anter69 🇭🇺 0 77 19ms 26 days ago 150th Matter1024 🇮🇳 0 77 17ms 19 days ago 169th jameswmccarty 0 78 20ms 29 Mar 2025 169th DialFrost 🇸🇬 0 78 939ms 10 May 2025 169th DialFrost 🇸🇬 0 78 3ms 10 May 2025 169th solisolu 0 78 20ms 10 Nov 2025 173rd KasperKivimaeki 🇫🇮 0 79 3ms 1 Nov 2025 174th Shanethegamer 🇺🇸 0 80 5ms 3 Jun 2025 174th error256 0 80 466ms 16 Jan 2026 176th Shanethegamer 🇺🇸 0 81 291ms 3 Jun 2025 176th albanian-laundromat 0 81 9ms 15 days ago 178th bricknellj 0 82 17ms 30 Jan 2025 178th dokutan 0 82 17ms 15 Aug 2025 178th aksyristos 0 82 17ms 13 Jan 2026 181st GolfingSuccess 🇬🇷 0 83 111ms 12 Jan 2026 181st GolfingSuccess 🇬🇷 0 83 386ms 12 Jan 2026 181st error256 0 83 430ms 12 Jan 2026 181st albanian-laundromat 0 83 9ms 26 Jan 2026 185th albanian-laundromat 0 84 135ms 15 days ago 186th Shanethegamer 🇺🇸 0 85 11ms 13 Dec 2024 186th edsrzf 🇳🇿 0 85 973ms 25 May 2025 186th albanian-laundromat 0 85 92ms 6 Dec 2025 186th GolfingSuccess 🇬🇷 0 85 25ms 14 Jan 2026 190th kg583 🇺🇸 0 86 23ms 2 Oct 2025 191st sean-niemann 🇺🇸 0 87 42ms 9 May 2025 192nd edsrzf 🇳🇿 0 88 2,069ms 15 May 2025 192nd muser-logiccpu 🇺🇦 0 88 72ms 2 Sep 2025 192nd solisolu 0 88 3ms 11 Nov 2025 192nd albanian-laundromat 0 88 1,304ms 5 Jan 2026 192nd GolfingSuccess 🇬🇷 0 88 1,013ms 14 Jan 2026 192nd error256 0 88 3,068ms 14 Jan 2026 192nd IanUtley 0 88 3,031ms 16 Jan 2026 199th Shanethegamer 🇺🇸 0 89 106ms 13 Dec 2024 199th GolfingSuccess 🇬🇷 0 89 57ms 12 Jan 2026 201st sean-niemann 🇺🇸 0 90 6ms 10 May 2025 201st rucin93 🇵🇱 0 90 7ms 10 May 2025 201st dokutan 0 90 65ms 23 days ago 204th ovs-code 🇩🇪 0 91 261ms 13 Dec 2025 204th error256 0 91 55ms 12 Jan 2026 204th error256 0 91 293ms 14 Jan 2026 204th GolfingSuccess 🇬🇷 0 91 272ms 14 Jan 2026 208th Shanethegamer 🇺🇸 0 92 462ms 20 May 2025 209th Shanethegamer 🇺🇸 0 94 414ms 13 Dec 2024 209th edsrzf 🇳🇿 0 94 459ms 20 May 2025 211th albanian-laundromat 0 95 119ms 6 Jan 2026 212th Natanaelel 🇸🇪 0 96 266ms 8 May 2025 212th stefangimmillaro 0 96 20ms 10 May 2025 212th Shanethegamer 🇺🇸 0 96 437ms 3 Jun 2025 212th albanian-laundromat 0 96 5ms 6 Dec 2025 216th edsrzf 🇳🇿 0 97 512ms 24 Sep 2025 216th albanian-laundromat 0 97 44ms 6 Dec 2025 218th kumavale 0 98 146ms 26 Nov 2025 218th error256 0 98 151ms 16 Jan 2026 218th albanian-laundromat 0 98 120ms 8 days ago 221st edsrzf 🇳🇿 0 99 481ms 9 May 2025 221st Shanethegamer 🇺🇸 0 99 352ms 24 Sep 2025 223rd edsrzf 🇳🇿 0 100 145ms 9 May 2025 223rd edsrzf 🇳🇿 0 100 307ms 9 May 2025 223rd edsrzf 🇳🇿 0 100 16ms 9 May 2025 223rd emgordon154 0 100 7ms 9 May 2025 223rd JOrE20 0 100 42ms 15 Dec 2025 228th edsrzf 🇳🇿 0 102 440ms 16 Jun 2025 229th CLOStrophobic 🇮🇹 0 104 21ms 18 Jan 2025 230th kg583 🇺🇸 0 106 38ms 9 May 2025 231st Shanethegamer 🇺🇸 0 107 8ms 9 May 2025 231st AlephSquirrel 0 107 20ms 14 May 2025 233rd CLOStrophobic 🇮🇹 0 108 47ms 17 Feb 2025 233rd edsrzf 🇳🇿 0 108 1,839ms 21 May 2025 233rd albanian-laundromat 0 108 31ms 5 Jan 2026 236th kg583 🇺🇸 0 109 41ms 15 hours ago 236th GolfingSuccess 🇬🇷 0 109 41ms 109 mins ago 238th GolfingSuccess 🇬🇷 0 112 44ms 24 Jan 2026 239th Shanethegamer 🇺🇸 0 114 1,370ms 9 May 2025 239th edsrzf 🇳🇿 0 114 697ms 9 May 2025 First Prev 161–240 of 258 Next Last