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 Gray Code Decoder Gray Code Encoder 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 161st GolfingSuccess 🇬🇷 853 49 34ms 12 Jan 2026 161st albanian-laundromat 🇺🇸 853 49 35ms 9 Mar 2026 161st MeWhenI 🇻🇦 853 49 35ms 25 Mar 2026 164th Steffan153 🇫🇮 852 68 487ms 22 days ago 164th edsrzf 🇳🇿 852 68 495ms 21 days ago 164th emgordon154 852 68 529ms 12 days ago 167th edsrzf 🇳🇿 852 71 17ms 25 Mar 2026 167th kg583 🇺🇸 852 71 18ms 25 Mar 2026 167th Steffan153 🇫🇮 852 71 17ms 24 days ago 167th GolfingSuccess 🇬🇷 852 71 19ms 22 days ago 171st Steffan153 🇫🇮 851 69 7ms 22 days ago 172nd edsrzf 🇳🇿 851 83 1,489ms 25 Mar 2026 172nd Steffan153 🇫🇮 851 83 1,498ms 22 days ago 174th GolfingSuccess 🇬🇷 850 85 28ms 14 Jan 2026 174th edsrzf 🇳🇿 850 85 28ms 25 Mar 2026 176th Steffan153 🇫🇮 849 62 56ms 22 days ago 177th madex 🇩🇪 849 67 9ms 27 days ago 178th GolfingSuccess 🇬🇷 849 69 422ms 14 Jan 2026 178th error256 849 69 465ms 22 Mar 2026 178th Steffan153 🇫🇮 849 69 486ms 22 days ago 178th stefangimmillaro 849 69 509ms 22 days ago 182nd AlephSquirrel 849 76 38ms 3 Dec 2025 182nd MeWhenI 🇻🇦 849 76 605ms 16 Mar 2026 182nd duckyluuk 🇳🇱 849 76 117ms 26 Mar 2026 182nd emgordon154 849 76 310ms 20 days ago 186th error256 849 98 166ms 16 Jan 2026 186th edsrzf 🇳🇿 849 98 165ms 26 Mar 2026 188th Natanaelel 🇸🇪 848 38 39ms 8 May 2025 188th ovs-code 🇩🇪 848 38 41ms 13 Jan 2026 188th pardouin 🇫🇷 848 38 42ms 19 Feb 2026 188th stefangimmillaro 848 38 44ms 19 days ago 188th blaztoma 🇱🇹 848 38 82ms 10 days ago 193rd ovs-code 🇩🇪 848 91 261ms 13 Dec 2025 193rd error256 848 91 293ms 14 Jan 2026 193rd GolfingSuccess 🇬🇷 848 91 272ms 14 Jan 2026 193rd Natanaelel 🇸🇪 848 91 311ms 24 Mar 2026 193rd edsrzf 🇳🇿 848 91 292ms 22 days ago 193rd Steffan153 🇫🇮 848 91 285ms 22 days ago 199th GolfingSuccess 🇬🇷 847 51 35ms 12 Jan 2026 199th sean-niemann 🇺🇸 847 51 34ms 15 Jan 2026 199th Steffan153 🇫🇮 847 51 34ms 19 Feb 2026 199th Natanaelel 🇸🇪 847 51 34ms 24 Mar 2026 199th voytxt 🇨🇿 847 51 33ms 22 days ago 199th weliveinhell 🇭🇹 847 51 36ms 11 days ago 205th edsrzf 🇳🇿 847 78 110ms 22 days ago 205th Steffan153 🇫🇮 847 78 102ms 22 days ago 205th snoozingnewt 🇨🇦 847 78 105ms 10 days ago 208th edsrzf 🇳🇿 847 94 6ms 26 Mar 2026 208th albanian-laundromat 🇺🇸 847 94 6ms 26 Mar 2026 208th sean-niemann 🇺🇸 847 94 6ms 24 days ago 208th Steffan153 🇫🇮 847 94 6ms 22 days ago 212th edsrzf 🇳🇿 844 48 818ms 25 Mar 2026 213th DialFrost 🇸🇬 844 70 116ms 26 Mar 2026 213th Steffan153 🇫🇮 844 70 2,152ms 22 days ago 215th Yax42 🇫🇷 843 75 4ms 24 Mar 2026 216th error256 843 80 466ms 16 Jan 2026 217th error256 842 55 2,861ms 15 Feb 2026 218th edsrzf 🇳🇿 841 96 32ms 24 Mar 2026 218th Steffan153 🇫🇮 841 96 30ms 24 days ago 220th GolfingSuccess 🇬🇷 841 117 330ms 12 Jan 2026 220th Steffan153 🇫🇮 841 117 329ms 22 days ago 222nd kg583 🇺🇸 840 86 23ms 2 Oct 2025 223rd stefangimmillaro 840 99 161ms 23 days ago 223rd Steffan153 🇫🇮 840 99 182ms 22 days ago 225th albanian-laundromat 🇺🇸 839 69 484ms 6 Dec 2025 226th GolfingSuccess 🇬🇷 839 70 15ms 22 days ago 226th rucin93 🇵🇱 839 70 15ms 18 days ago 228th error256 839 91 64ms 12 Jan 2026 228th Steffan153 🇫🇮 839 91 60ms 26 Mar 2026 230th bitsandbeyond 🇳🇱 838 43 1,419ms 19 Mar 2026 231st lifthrasiir 🇰🇷 838 77 186ms 11 Dec 2024 231st Shanethegamer 🇺🇸 838 77 18ms 13 Dec 2024 231st addmai 838 77 20ms 24 Jul 2025 231st hiichbindermax 838 77 18ms 17 Aug 2025 231st 5cw 🇺🇸 838 77 20ms 22 Aug 2025 231st davecame 838 77 142ms 25 Sep 2025 231st SirBogman 🇺🇸 838 77 244ms 13 Oct 2025 231st jtaxen 838 77 27ms 16 Oct 2025 231st albanian-laundromat 🇺🇸 838 77 23ms 25 Nov 2025 231st anter69 🇭🇺 838 77 147ms 4 Feb 2026 First Prev 161–240 of 632 Next Last