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 81st khvdm 0 69 142ms 13 Jan 2025 81st 4atj 0 69 1,142ms 21 May 2025 81st albanian-laundromat 0 69 475ms 6 Dec 2025 81st error256 0 69 67ms 26 days ago 85th btnlq 0 70 204ms 4 Dec 2024 85th kg583 🇺🇸 0 70 169ms 3 Oct 2025 87th edsrzf 🇳🇿 0 72 572ms 9 May 2025 87th dokutan 0 72 389ms 15 Aug 2025 87th kg583 🇺🇸 0 72 18ms 2 Oct 2025 90th rhdqor213 0 74 3ms 11 May 2025 90th saito-ta 🇯🇵 0 74 3ms 11 May 2025 90th kg583 🇺🇸 0 74 138ms 3 Oct 2025 93rd kg583 🇺🇸 0 75 131ms 1 Dec 2024 93rd hallvabo 🇳🇴 0 75 133ms 30 Dec 2024 93rd ovs-code 🇩🇪 0 75 19ms 23 Feb 2025 93rd pardouin 🇫🇷 0 75 136ms 24 Feb 2025 93rd Shanethegamer 🇺🇸 0 75 72ms 7 May 2025 93rd edsrzf 🇳🇿 0 75 708ms 9 May 2025 93rd error256 0 75 166ms 10 May 2025 93rd Natanaelel 🇸🇪 0 75 18ms 11 May 2025 93rd Seek64 🇩🇪 0 75 125ms 3 Jun 2025 93rd commandblockguy 🇺🇸 0 75 1,176ms 27 Aug 2025 93rd JOrE20 🇺🇸 0 75 17ms 12 days ago 93rd albanian-laundromat 0 75 105ms 2 days ago 93rd albanian-laundromat 0 75 375ms 14 hours ago 106th Shanethegamer 🇺🇸 0 76 133ms 13 Dec 2024 106th edsrzf 🇳🇿 0 76 117ms 10 May 2025 106th ovs-code 🇩🇪 0 76 3ms 10 May 2025 106th AlephSquirrel 0 76 38ms 3 Dec 2025 106th AlephSquirrel 0 76 429ms 3 Dec 2025 111th CornerMercury 🇬🇧 0 77 18ms 3 Dec 2024 111th ndren 0 77 19ms 3 Dec 2024 111th lifthrasiir 🇰🇷 0 77 189ms 11 Dec 2024 111th Shanethegamer 🇺🇸 0 77 19ms 13 Dec 2024 111th GolfingSuccess 🇬🇷 0 77 17ms 30 Dec 2024 111th DialFrost 🇸🇬 0 77 16ms 8 May 2025 111th emgordon154 0 77 38ms 9 May 2025 111th edsrzf 🇳🇿 0 77 1,937ms 9 May 2025 111th Natanaelel 🇸🇪 0 77 3ms 11 May 2025 111th lukegustafson 🇺🇸 0 77 17ms 16 Jun 2025 111th addmai 0 77 19ms 24 Jul 2025 111th hiichbindermax 0 77 17ms 17 Aug 2025 111th 5cw 🇺🇸 0 77 17ms 22 Aug 2025 111th davecame 0 77 140ms 25 Sep 2025 111th SirBogman 🇺🇸 0 77 230ms 13 Oct 2025 111th jtaxen 0 77 19ms 16 Oct 2025 111th albanian-laundromat 0 77 18ms 25 Nov 2025 111th albanian-laundromat 0 77 366ms 6 Dec 2025 129th jameswmccarty 0 78 18ms 29 Mar 2025 129th DialFrost 🇸🇬 0 78 939ms 10 May 2025 129th DialFrost 🇸🇬 0 78 3ms 10 May 2025 129th solisolu 0 78 18ms 10 Nov 2025 133rd KasperKivimaeki 🇫🇮 0 79 3ms 1 Nov 2025 134th Shanethegamer 🇺🇸 0 80 5ms 3 Jun 2025 135th Shanethegamer 🇺🇸 0 81 291ms 3 Jun 2025 136th bricknellj 0 82 16ms 30 Jan 2025 136th dokutan 0 82 21ms 15 Aug 2025 138th kg583 🇺🇸 0 83 435ms 2 Oct 2025 139th albanian-laundromat 0 84 9ms 26 days ago 140th Shanethegamer 🇺🇸 0 85 11ms 13 Dec 2024 140th edsrzf 🇳🇿 0 85 1,029ms 25 May 2025 140th albanian-laundromat 0 85 92ms 6 Dec 2025 143rd kg583 🇺🇸 0 86 22ms 2 Oct 2025 143rd kg583 🇺🇸 0 86 412ms 3 Oct 2025 145th sean-niemann 🇺🇸 0 87 42ms 9 May 2025 146th edsrzf 🇳🇿 0 88 1,932ms 15 May 2025 146th Upload-and-View 🇺🇦 0 88 72ms 2 Sep 2025 146th solisolu 0 88 3ms 11 Nov 2025 146th albanian-laundromat 0 88 1,315ms 2 days ago 150th Shanethegamer 🇺🇸 0 89 97ms 13 Dec 2024 151st sean-niemann 🇺🇸 0 90 6ms 10 May 2025 151st rucin93 🇵🇱 0 90 7ms 10 May 2025 153rd ovs-code 🇩🇪 0 91 261ms 24 days ago 154th Shanethegamer 🇺🇸 0 92 442ms 20 May 2025 155th Shanethegamer 🇺🇸 0 94 334ms 13 Dec 2024 155th edsrzf 🇳🇿 0 94 458ms 20 May 2025 157th albanian-laundromat 0 95 104ms 17 hours ago 157th error256 0 95 2,432ms 9 hours ago 159th Natanaelel 🇸🇪 0 96 266ms 8 May 2025 159th stefangimmillaro 0 96 21ms 10 May 2025 First Prev 81–160 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