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 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 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 ArkScript 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 ArkScript 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 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 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 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 159th aksyristos 0 82 19ms 3 days ago 162nd GolfingSuccess 🇬🇷 0 83 111ms 4 days ago 162nd GolfingSuccess 🇬🇷 0 83 367ms 3 days ago 162nd error256 0 83 367ms 3 days ago 165th albanian-laundromat 0 84 9ms 11 Dec 2025 166th Shanethegamer 🇺🇸 0 85 11ms 13 Dec 2024 166th edsrzf 🇳🇿 0 85 973ms 25 May 2025 166th albanian-laundromat 0 85 92ms 6 Dec 2025 166th GolfingSuccess 🇬🇷 0 85 25ms 2 days ago 170th kg583 🇺🇸 0 86 22ms 2 Oct 2025 170th kg583 🇺🇸 0 86 412ms 3 Oct 2025 172nd sean-niemann 🇺🇸 0 87 42ms 9 May 2025 173rd edsrzf 🇳🇿 0 88 2,069ms 15 May 2025 173rd Upload-and-View 🇺🇦 0 88 72ms 2 Sep 2025 173rd solisolu 0 88 3ms 11 Nov 2025 173rd albanian-laundromat 0 88 1,544ms 11 days ago 173rd GolfingSuccess 🇬🇷 0 88 993ms 43 hours ago 173rd error256 0 88 2,898ms 40 hours ago 173rd IanUtley 0 88 2,887ms 104 mins ago 180th Shanethegamer 🇺🇸 0 89 97ms 13 Dec 2024 180th GolfingSuccess 🇬🇷 0 89 61ms 3 days ago 182nd sean-niemann 🇺🇸 0 90 6ms 10 May 2025 182nd rucin93 🇵🇱 0 90 7ms 10 May 2025 184th ovs-code 🇩🇪 0 91 261ms 13 Dec 2025 184th error256 0 91 62ms 3 days ago 184th error256 0 91 293ms 45 hours ago 184th GolfingSuccess 🇬🇷 0 91 272ms 45 hours ago 188th Shanethegamer 🇺🇸 0 92 442ms 20 May 2025 189th Shanethegamer 🇺🇸 0 94 414ms 13 Dec 2024 189th edsrzf 🇳🇿 0 94 458ms 20 May 2025 191st albanian-laundromat 0 95 119ms 9 days ago 192nd Natanaelel 🇸🇪 0 96 266ms 8 May 2025 192nd stefangimmillaro 0 96 21ms 10 May 2025 192nd Shanethegamer 🇺🇸 0 96 373ms 3 Jun 2025 192nd albanian-laundromat 0 96 5ms 6 Dec 2025 196th edsrzf 🇳🇿 0 97 478ms 24 Sep 2025 196th albanian-laundromat 0 97 44ms 6 Dec 2025 198th kumavale 0 98 155ms 26 Nov 2025 199th edsrzf 🇳🇿 0 99 518ms 9 May 2025 199th Shanethegamer 🇺🇸 0 99 464ms 24 Sep 2025 201st edsrzf 🇳🇿 0 100 145ms 9 May 2025 201st edsrzf 🇳🇿 0 100 307ms 9 May 2025 201st edsrzf 🇳🇿 0 100 16ms 9 May 2025 201st emgordon154 0 100 7ms 9 May 2025 201st JOrE20 🇺🇸 0 100 41ms 15 Dec 2025 206th edsrzf 🇳🇿 0 102 416ms 16 Jun 2025 207th CLOStrophobic 🇮🇹 0 104 21ms 18 Jan 2025 208th kg583 🇺🇸 0 106 38ms 9 May 2025 209th Shanethegamer 🇺🇸 0 107 8ms 9 May 2025 209th AlephSquirrel 0 107 20ms 14 May 2025 211th CLOStrophobic 🇮🇹 0 108 47ms 17 Feb 2025 211th edsrzf 🇳🇿 0 108 1,736ms 21 May 2025 211th albanian-laundromat 0 108 30ms 11 days ago 214th Shanethegamer 🇺🇸 0 114 1,370ms 9 May 2025 214th edsrzf 🇳🇿 0 114 600ms 9 May 2025 216th GolfingSuccess 🇬🇷 0 117 258ms 4 days ago 217th edsrzf 🇳🇿 0 118 666ms 9 May 2025 218th Shanethegamer 🇺🇸 0 121 148ms 13 Dec 2024 218th albanian-laundromat 0 121 78ms 9 Dec 2025 220th albanian-laundromat 0 122 255ms 11 days ago 221st stefangimmillaro 0 124 250ms 10 May 2025 221st Shanethegamer 🇺🇸 0 124 151ms 3 Jun 2025 223rd AstroOrbis 0 126 21ms 12 Aug 2025 224th MeWhenI 🇻🇦 0 129 478ms 8 May 2025 224th rucin93 🇵🇱 0 129 389ms 9 May 2025 226th albanian-laundromat 0 135 44ms 33 hours ago 227th edsrzf 🇳🇿 0 136 4,569ms 19 May 2025 228th Shanethegamer 🇺🇸 0 139 266ms 13 Dec 2024 229th Shanethegamer 🇺🇸 0 146 31ms 9 May 2025 230th albanian-laundromat 0 207 1,546ms 9 days ago 231st albanian-laundromat 0 265 50ms 8 Dec 2025 First Prev 161–231 of 231
