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 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 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 160th kg583 🇺🇸 856 71 18ms 23 days ago 160th Steffan153 🇫🇮 856 71 17ms 18 days ago 160th GolfingSuccess 🇬🇷 856 71 18ms 16 days ago 164th saito-ta 🇯🇵 855 74 3ms 11 May 2025 164th error256 855 74 3ms 12 Jan 2026 166th edsrzf 🇳🇿 855 83 1,450ms 23 days ago 166th Steffan153 🇫🇮 855 83 1,390ms 16 days ago 168th madex 🇩🇪 853 67 9ms 21 days ago 169th edsrzf 🇳🇿 852 94 6ms 22 days ago 169th albanian-laundromat 🇺🇸 852 94 6ms 22 days ago 169th sean-niemann 🇺🇸 852 94 6ms 18 days ago 169th Steffan153 🇫🇮 852 94 6ms 16 days ago 173rd Steffan153 🇫🇮 851 69 7ms 16 days ago 174th DialFrost 🇸🇬 851 70 116ms 22 days ago 174th Steffan153 🇫🇮 851 70 2,152ms 16 days ago 176th error256 851 98 166ms 16 Jan 2026 176th edsrzf 🇳🇿 851 98 165ms 22 days ago 178th GolfingSuccess 🇬🇷 850 69 455ms 14 Jan 2026 178th error256 850 69 446ms 25 days ago 178th Steffan153 🇫🇮 850 69 453ms 16 days ago 178th stefangimmillaro 850 69 437ms 16 days ago 182nd GolfingSuccess 🇬🇷 850 85 28ms 14 Jan 2026 182nd edsrzf 🇳🇿 850 85 28ms 23 days ago 184th Natanaelel 🇸🇪 849 38 41ms 8 May 2025 184th ovs-code 🇩🇪 849 38 38ms 13 Jan 2026 184th pardouin 🇫🇷 849 38 37ms 19 Feb 2026 184th stefangimmillaro 849 38 42ms 13 days ago 184th blaztoma 🇱🇹 849 38 79ms 4 days ago 189th Steffan153 🇫🇮 849 62 56ms 16 days ago 190th AlephSquirrel 849 76 38ms 3 Dec 2025 190th MeWhenI 🇻🇦 849 76 605ms 16 Mar 2026 190th duckyluuk 🇳🇱 849 76 120ms 22 days ago 190th emgordon154 849 76 310ms 14 days ago 194th ovs-code 🇩🇪 848 91 261ms 13 Dec 2025 194th error256 848 91 293ms 14 Jan 2026 194th GolfingSuccess 🇬🇷 848 91 272ms 14 Jan 2026 194th Natanaelel 🇸🇪 848 91 311ms 24 days ago 194th edsrzf 🇳🇿 848 91 292ms 16 days ago 194th Steffan153 🇫🇮 848 91 285ms 16 days ago 200th edsrzf 🇳🇿 847 48 818ms 23 days ago 201st GolfingSuccess 🇬🇷 847 51 36ms 12 Jan 2026 201st sean-niemann 🇺🇸 847 51 34ms 15 Jan 2026 201st Steffan153 🇫🇮 847 51 34ms 19 Feb 2026 201st Natanaelel 🇸🇪 847 51 33ms 24 days ago 201st voytxt 🇨🇿 847 51 37ms 16 days ago 201st weliveinhell 🇭🇹 847 51 33ms 5 days ago 207th edsrzf 🇳🇿 847 78 110ms 16 days ago 207th Steffan153 🇫🇮 847 78 102ms 16 days ago 207th snoozingnewt 🇨🇦 847 78 105ms 4 days ago 210th error256 846 80 466ms 16 Jan 2026 211th GolfingSuccess 🇬🇷 845 49 37ms 12 Jan 2026 211th albanian-laundromat 🇺🇸 845 49 34ms 9 Mar 2026 211th MeWhenI 🇻🇦 845 49 37ms 23 days ago 214th albanian-laundromat 🇺🇸 844 69 514ms 6 Dec 2025 215th GolfingSuccess 🇬🇷 844 117 330ms 12 Jan 2026 215th Steffan153 🇫🇮 844 117 329ms 16 days ago 217th Yax42 🇫🇷 843 75 4ms 24 days ago 218th stefangimmillaro 843 99 161ms 17 days ago 218th Steffan153 🇫🇮 843 99 199ms 16 days ago 220th bitsandbeyond 🇳🇱 842 43 1,233ms 19 Mar 2026 221st error256 842 55 2,436ms 15 Feb 2026 222nd error256 842 91 59ms 12 Jan 2026 222nd Steffan153 🇫🇮 842 91 63ms 22 days ago 224th edsrzf 🇳🇿 841 96 32ms 23 days ago 224th Steffan153 🇫🇮 841 96 30ms 18 days ago 226th MeWhenI 🇻🇦 840 80 114ms 17 days ago 227th kg583 🇺🇸 840 86 23ms 2 Oct 2025 228th edsrzf 🇳🇿 840 100 145ms 9 May 2025 229th GolfingSuccess 🇬🇷 839 70 15ms 16 days ago 229th rucin93 🇵🇱 839 70 15ms 12 days ago 231st ovs-code 🇩🇪 839 71 139ms 22 days ago 232nd edsrzf 🇳🇿 838 62 122ms 23 days ago 233rd lifthrasiir 🇰🇷 838 77 186ms 11 Dec 2024 233rd Shanethegamer 🇺🇸 838 77 18ms 13 Dec 2024 233rd addmai 838 77 20ms 24 Jul 2025 233rd hiichbindermax 838 77 18ms 17 Aug 2025 233rd 5cw 🇺🇸 838 77 20ms 22 Aug 2025 233rd davecame 838 77 142ms 25 Sep 2025 233rd SirBogman 🇺🇸 838 77 244ms 13 Oct 2025 233rd jtaxen 838 77 27ms 16 Oct 2025 First Prev 161–240 of 658 Next Last