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 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 81st Shanethegamer 🇺🇸 0 63 171ms 7 May 2025 81st sean-niemann 🇺🇸 0 63 6ms 9 May 2025 81st rucin93 🇵🇱 0 63 7ms 10 May 2025 81st edsrzf 🇳🇿 0 63 6ms 10 May 2025 81st targrik 0 63 7ms 8 Oct 2025 81st albanian-laundromat 0 63 12ms 7 Dec 2025 81st GolfingSuccess 🇬🇷 0 63 7ms 24 days ago 88th error256 0 64 4,441ms 22 days ago 89th albanian-laundromat 0 65 42ms 6 Dec 2025 89th GolfingSuccess 🇬🇷 0 65 92ms 24 days ago 91st Yax42 🇫🇷 0 66 398ms 6 Jan 2026 91st AdrienHache 🇫🇷 0 66 426ms 6 Jan 2026 91st GolfingSuccess 🇬🇷 0 66 10ms 24 days ago 94th Shanethegamer 🇺🇸 0 67 92ms 7 May 2025 94th Shanethegamer 🇺🇸 0 67 436ms 7 May 2025 94th emgordon154 0 67 396ms 9 May 2025 94th namelessiw 0 67 441ms 2 Nov 2025 94th error256 0 67 108ms 7 days ago 99th lifthrasiir 🇰🇷 0 68 559ms 11 Dec 2024 99th Shanethegamer 🇺🇸 0 68 264ms 13 Dec 2024 101st khvdm 0 69 150ms 13 Jan 2025 101st 4atj 0 69 1,159ms 21 May 2025 101st albanian-laundromat 0 69 489ms 6 Dec 2025 101st GolfingSuccess 🇬🇷 0 69 394ms 22 days ago 105th btnlq 0 70 193ms 4 Dec 2024 105th error256 0 70 140ms 22 days ago 107th GolfingSuccess 🇬🇷 0 71 3ms 25 days ago 107th GolfingSuccess 🇬🇷 0 71 26ms 24 days ago 107th GolfingSuccess 🇬🇷 0 71 18ms 22 days ago 110th edsrzf 🇳🇿 0 72 546ms 9 May 2025 110th dokutan 0 72 551ms 15 Aug 2025 110th kg583 🇺🇸 0 72 19ms 2 Oct 2025 110th error256 0 72 21ms 24 days ago 114th IISResetMe 0 73 256ms 27 days ago 115th rhdqor213 0 74 3ms 11 May 2025 115th saito-ta 🇯🇵 0 74 3ms 11 May 2025 115th kg583 🇺🇸 0 74 138ms 3 Oct 2025 115th error256 0 74 3ms 24 days ago 119th kg583 🇺🇸 0 75 129ms 1 Dec 2024 119th hallvabo 🇳🇴 0 75 133ms 30 Dec 2024 119th ovs-code 🇩🇪 0 75 19ms 23 Feb 2025 119th pardouin 🇫🇷 0 75 128ms 24 Feb 2025 119th Shanethegamer 🇺🇸 0 75 71ms 7 May 2025 119th edsrzf 🇳🇿 0 75 708ms 9 May 2025 119th Natanaelel 🇸🇪 0 75 20ms 11 May 2025 119th Seek64 🇩🇪 0 75 131ms 3 Jun 2025 119th commandz0 🇺🇸 0 75 1,210ms 27 Aug 2025 119th JOrE20 0 75 17ms 25 Dec 2025 119th albanian-laundromat 0 75 103ms 5 Jan 2026 119th albanian-laundromat 0 75 400ms 6 Jan 2026 119th GolfingSuccess 🇬🇷 0 75 20ms 25 days ago 132nd Shanethegamer 🇺🇸 0 76 126ms 13 Dec 2024 132nd edsrzf 🇳🇿 0 76 117ms 10 May 2025 132nd ovs-code 🇩🇪 0 76 3ms 10 May 2025 132nd AlephSquirrel 0 76 45ms 3 Dec 2025 132nd AlephSquirrel 0 76 491ms 3 Dec 2025 137th CornerMercury 🇬🇧 0 77 19ms 3 Dec 2024 137th ndren 0 77 20ms 3 Dec 2024 137th lifthrasiir 🇰🇷 0 77 192ms 11 Dec 2024 137th Shanethegamer 🇺🇸 0 77 19ms 13 Dec 2024 137th DialFrost 🇸🇬 0 77 19ms 8 May 2025 137th emgordon154 0 77 38ms 9 May 2025 137th edsrzf 🇳🇿 0 77 1,938ms 9 May 2025 137th Natanaelel 🇸🇪 0 77 3ms 11 May 2025 137th lukegustafson 🇺🇸 0 77 18ms 16 Jun 2025 137th addmai 0 77 20ms 24 Jul 2025 137th hiichbindermax 0 77 21ms 17 Aug 2025 137th 5cw 🇺🇸 0 77 18ms 22 Aug 2025 137th davecame 0 77 150ms 25 Sep 2025 137th SirBogman 🇺🇸 0 77 240ms 13 Oct 2025 137th jtaxen 0 77 19ms 16 Oct 2025 137th albanian-laundromat 0 77 19ms 25 Nov 2025 137th albanian-laundromat 0 77 366ms 6 Dec 2025 137th anter69 🇭🇺 0 77 20ms 44 hours ago 155th jameswmccarty 0 78 20ms 29 Mar 2025 155th DialFrost 🇸🇬 0 78 939ms 10 May 2025 155th DialFrost 🇸🇬 0 78 3ms 10 May 2025 155th solisolu 0 78 20ms 10 Nov 2025 159th KasperKivimaeki 🇫🇮 0 79 3ms 1 Nov 2025 160th Shanethegamer 🇺🇸 0 80 5ms 3 Jun 2025 First Prev 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