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 23 days ago 164th edsrzf 🇳🇿 852 68 495ms 22 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 25 days ago 167th GolfingSuccess 🇬🇷 852 71 19ms 23 days ago 171st edsrzf 🇳🇿 852 94 6ms 26 Mar 2026 171st albanian-laundromat 🇺🇸 852 94 6ms 26 Mar 2026 171st sean-niemann 🇺🇸 852 94 6ms 25 days ago 171st Steffan153 🇫🇮 852 94 6ms 23 days ago 175th Steffan153 🇫🇮 851 69 7ms 23 days ago 176th edsrzf 🇳🇿 851 83 1,489ms 25 Mar 2026 176th Steffan153 🇫🇮 851 83 1,498ms 23 days ago 178th GolfingSuccess 🇬🇷 850 85 28ms 14 Jan 2026 178th edsrzf 🇳🇿 850 85 28ms 25 Mar 2026 180th Steffan153 🇫🇮 849 62 56ms 23 days ago 181st madex 🇩🇪 849 67 9ms 27 Mar 2026 182nd GolfingSuccess 🇬🇷 849 69 422ms 14 Jan 2026 182nd error256 849 69 465ms 22 Mar 2026 182nd Steffan153 🇫🇮 849 69 486ms 23 days ago 182nd stefangimmillaro 849 69 509ms 22 days ago 186th AlephSquirrel 849 76 38ms 3 Dec 2025 186th MeWhenI 🇻🇦 849 76 605ms 16 Mar 2026 186th duckyluuk 🇳🇱 849 76 117ms 26 Mar 2026 186th emgordon154 849 76 310ms 20 days ago 190th error256 849 98 166ms 16 Jan 2026 190th edsrzf 🇳🇿 849 98 165ms 26 Mar 2026 192nd Natanaelel 🇸🇪 848 38 39ms 8 May 2025 192nd ovs-code 🇩🇪 848 38 41ms 13 Jan 2026 192nd pardouin 🇫🇷 848 38 42ms 19 Feb 2026 192nd stefangimmillaro 848 38 44ms 20 days ago 192nd blaztoma 🇱🇹 848 38 82ms 10 days ago 197th ovs-code 🇩🇪 848 91 261ms 13 Dec 2025 197th error256 848 91 293ms 14 Jan 2026 197th GolfingSuccess 🇬🇷 848 91 272ms 14 Jan 2026 197th Natanaelel 🇸🇪 848 91 311ms 24 Mar 2026 197th edsrzf 🇳🇿 848 91 292ms 23 days ago 197th Steffan153 🇫🇮 848 91 285ms 23 days ago 203rd GolfingSuccess 🇬🇷 847 51 35ms 12 Jan 2026 203rd sean-niemann 🇺🇸 847 51 34ms 15 Jan 2026 203rd Steffan153 🇫🇮 847 51 34ms 19 Feb 2026 203rd Natanaelel 🇸🇪 847 51 34ms 24 Mar 2026 203rd voytxt 🇨🇿 847 51 33ms 22 days ago 203rd weliveinhell 🇭🇹 847 51 36ms 12 days ago 209th edsrzf 🇳🇿 847 78 110ms 23 days ago 209th Steffan153 🇫🇮 847 78 102ms 23 days ago 209th snoozingnewt 🇨🇦 847 78 105ms 10 days ago 212th edsrzf 🇳🇿 844 48 818ms 25 Mar 2026 213th DialFrost 🇸🇬 844 70 116ms 26 Mar 2026 213th Steffan153 🇫🇮 844 70 2,152ms 23 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 25 days ago 220th GolfingSuccess 🇬🇷 841 117 330ms 12 Jan 2026 220th Steffan153 🇫🇮 841 117 329ms 23 days ago 222nd kg583 🇺🇸 840 86 23ms 2 Oct 2025 223rd stefangimmillaro 840 99 161ms 24 days ago 223rd Steffan153 🇫🇮 840 99 182ms 23 days ago 225th albanian-laundromat 🇺🇸 839 69 484ms 6 Dec 2025 226th GolfingSuccess 🇬🇷 839 70 15ms 23 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 633 Next Last