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 Alphabetic Numbers 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 Alphabetic Numbers 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 80th ovs-code 🇩🇪 0 60 502ms 23 Feb 2025 80th emgordon154 0 60 406ms 9 May 2025 80th GolfingSuccess 🇬🇷 0 60 445ms 11 Jan 2026 80th Steffan153 🇫🇮 0 60 446ms 17 days ago 85th DialFrost 🇸🇬 0 61 32ms 24 Feb 2025 85th voytxt 🇨🇿 0 61 37ms 1 Jan 2026 85th albanian-laundromat 0 61 14ms 5 days ago 88th Andrey-Plotnikov 0 62 30ms 12 Jan 2025 88th pardouin 🇫🇷 0 62 416ms 24 Feb 2025 88th sean-niemann 🇺🇸 0 62 168ms 19 May 2025 88th XenThe 🇬🇧 0 62 15ms 15 Jul 2025 88th sean-niemann 🇺🇸 0 62 401ms 15 Jan 2026 88th JOrE20 0 62 33ms 9 days ago 94th Shanethegamer 🇺🇸 0 63 177ms 7 May 2025 94th sean-niemann 🇺🇸 0 63 7ms 9 May 2025 94th rucin93 🇵🇱 0 63 7ms 10 May 2025 94th edsrzf 🇳🇿 0 63 6ms 10 May 2025 94th targrik 0 63 7ms 8 Oct 2025 94th GolfingSuccess 🇬🇷 0 63 7ms 12 Jan 2026 100th error256 0 64 4,378ms 15 Jan 2026 101st GolfingSuccess 🇬🇷 0 65 92ms 12 Jan 2026 102nd Yax42 🇫🇷 0 66 398ms 6 Jan 2026 102nd AdrienHache 🇫🇷 0 66 417ms 6 Jan 2026 102nd GolfingSuccess 🇬🇷 0 66 10ms 12 Jan 2026 105th Shanethegamer 🇺🇸 0 67 92ms 7 May 2025 105th Shanethegamer 🇺🇸 0 67 436ms 7 May 2025 105th emgordon154 0 67 396ms 9 May 2025 105th namelessiw 0 67 441ms 2 Nov 2025 105th error256 0 67 121ms 30 Jan 2026 110th lifthrasiir 🇰🇷 0 68 559ms 11 Dec 2024 110th Shanethegamer 🇺🇸 0 68 257ms 13 Dec 2024 112th khvdm 0 69 142ms 13 Jan 2025 112th 4atj 0 69 1,159ms 21 May 2025 112th albanian-laundromat 0 69 533ms 6 Dec 2025 112th GolfingSuccess 🇬🇷 0 69 394ms 14 Jan 2026 112th albanian-laundromat 0 69 380ms 14 days ago 117th btnlq 0 70 193ms 4 Dec 2024 117th error256 0 70 133ms 15 Jan 2026 119th GolfingSuccess 🇬🇷 0 71 3ms 12 Jan 2026 119th GolfingSuccess 🇬🇷 0 71 27ms 12 Jan 2026 119th GolfingSuccess 🇬🇷 0 71 18ms 14 Jan 2026 119th error256 0 71 19ms 6 days ago 123rd edsrzf 🇳🇿 0 72 546ms 9 May 2025 123rd dokutan 0 72 525ms 15 Aug 2025 123rd kg583 🇺🇸 0 72 18ms 2 Oct 2025 123rd rucin93 🇵🇱 0 72 9ms 2 days ago 127th IISResetMe 0 73 256ms 10 Jan 2026 127th pardouin 🇫🇷 0 73 179ms 22 days ago 127th Steffan153 🇫🇮 0 73 198ms 17 days ago 130th rhdqor213 0 74 3ms 11 May 2025 130th saito-ta 🇯🇵 0 74 3ms 11 May 2025 130th kg583 🇺🇸 0 74 138ms 3 Oct 2025 130th error256 0 74 3ms 12 Jan 2026 130th lukegustafson 🇺🇸 0 74 190ms 7 hours ago 135th kg583 🇺🇸 0 75 124ms 1 Dec 2024 135th hallvabo 🇳🇴 0 75 131ms 30 Dec 2024 135th ovs-code 🇩🇪 0 75 19ms 23 Feb 2025 135th Shanethegamer 🇺🇸 0 75 71ms 7 May 2025 135th edsrzf 🇳🇿 0 75 669ms 9 May 2025 135th Natanaelel 🇸🇪 0 75 20ms 11 May 2025 135th Seek64 🇩🇪 0 75 125ms 3 Jun 2025 135th commandz0 🇺🇸 0 75 1,210ms 27 Aug 2025 135th albanian-laundromat 0 75 141ms 5 Jan 2026 135th albanian-laundromat 0 75 370ms 6 Jan 2026 135th GolfingSuccess 🇬🇷 0 75 18ms 11 Jan 2026 135th albanian-laundromat 0 75 238ms 6 days ago 147th Shanethegamer 🇺🇸 0 76 135ms 13 Dec 2024 147th edsrzf 🇳🇿 0 76 114ms 10 May 2025 147th ovs-code 🇩🇪 0 76 3ms 10 May 2025 147th AlephSquirrel 0 76 43ms 3 Dec 2025 147th AlephSquirrel 0 76 445ms 3 Dec 2025 147th albanian-laundromat 0 76 19ms 6 days ago 147th albanian-laundromat 0 76 188ms 12 hours ago 154th CornerMercury 🇬🇧 0 77 18ms 3 Dec 2024 154th ndren 0 77 20ms 3 Dec 2024 154th lifthrasiir 🇰🇷 0 77 192ms 11 Dec 2024 154th Shanethegamer 🇺🇸 0 77 19ms 13 Dec 2024 154th DialFrost 🇸🇬 0 77 19ms 8 May 2025 154th emgordon154 0 77 38ms 9 May 2025 154th edsrzf 🇳🇿 0 77 1,938ms 9 May 2025 First Prev 81–160 of 260 Next Last