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 161st edsrzf 🇳🇿 851 83 1,251ms 21 days ago 161st Steffan153 🇫🇮 851 83 1,350ms 14 days ago 163rd Natanaelel 🇸🇪 849 38 41ms 8 May 2025 163rd ovs-code 🇩🇪 849 38 38ms 13 Jan 2026 163rd pardouin 🇫🇷 849 38 37ms 19 Feb 2026 163rd stefangimmillaro 849 38 42ms 11 days ago 163rd blaztoma 🇱🇹 849 38 79ms 2 days ago 168th madex 🇩🇪 849 67 9ms 19 days ago 169th GolfingSuccess 🇬🇷 849 69 402ms 14 Jan 2026 169th error256 849 69 398ms 23 days ago 169th Steffan153 🇫🇮 849 69 439ms 14 days ago 169th stefangimmillaro 849 69 398ms 14 days ago 173rd AlephSquirrel 849 76 38ms 3 Dec 2025 173rd MeWhenI 🇻🇦 849 76 605ms 16 Mar 2026 173rd duckyluuk 🇳🇱 849 76 120ms 20 days ago 173rd emgordon154 849 76 310ms 12 days ago 177th error256 849 98 155ms 16 Jan 2026 177th edsrzf 🇳🇿 849 98 157ms 20 days ago 179th ovs-code 🇩🇪 848 46 11ms 18 days ago 179th emgordon154 848 46 11ms 17 days ago 179th Steffan153 🇫🇮 848 46 11ms 16 days ago 182nd GolfingSuccess 🇬🇷 847 51 36ms 12 Jan 2026 182nd sean-niemann 🇺🇸 847 51 35ms 15 Jan 2026 182nd Steffan153 🇫🇮 847 51 39ms 19 Feb 2026 182nd Natanaelel 🇸🇪 847 51 35ms 22 days ago 182nd voytxt 🇨🇿 847 51 34ms 14 days ago 182nd weliveinhell 🇭🇹 847 51 32ms 3 days ago 188th edsrzf 🇳🇿 847 94 6ms 20 days ago 188th albanian-laundromat 🇺🇸 847 94 6ms 20 days ago 188th sean-niemann 🇺🇸 847 94 6ms 16 days ago 188th Steffan153 🇫🇮 847 94 6ms 14 days ago 192nd lyphyser 845 41 59ms 20 days ago 193rd GolfingSuccess 🇬🇷 845 49 33ms 12 Jan 2026 193rd albanian-laundromat 🇺🇸 845 49 32ms 9 Mar 2026 193rd MeWhenI 🇻🇦 845 49 33ms 21 days ago 196th Steffan153 🇫🇮 845 69 7ms 14 days ago 197th GolfingSuccess 🇬🇷 845 85 28ms 14 Jan 2026 197th edsrzf 🇳🇿 845 85 28ms 21 days ago 199th edsrzf 🇳🇿 844 48 818ms 21 days ago 200th DialFrost 🇸🇬 844 70 116ms 20 days ago 200th Steffan153 🇫🇮 844 70 2,152ms 14 days ago 202nd error256 843 80 466ms 16 Jan 2026 203rd ovs-code 🇩🇪 843 91 261ms 13 Dec 2025 203rd error256 843 91 293ms 14 Jan 2026 203rd GolfingSuccess 🇬🇷 843 91 272ms 14 Jan 2026 203rd Natanaelel 🇸🇪 843 91 311ms 22 days ago 203rd edsrzf 🇳🇿 843 91 292ms 14 days ago 203rd Steffan153 🇫🇮 843 91 285ms 14 days ago 209th Steffan153 🇫🇮 842 62 56ms 14 days ago 210th Yax42 🇫🇷 842 75 4ms 21 days ago 211th edsrzf 🇳🇿 841 78 110ms 14 days ago 211th Steffan153 🇫🇮 841 78 102ms 14 days ago 211th snoozingnewt 🇨🇦 841 78 105ms 2 days ago 214th GolfingSuccess 🇬🇷 841 117 330ms 12 Jan 2026 214th Steffan153 🇫🇮 841 117 329ms 14 days ago 216th stefangimmillaro 840 99 194ms 15 days ago 216th Steffan153 🇫🇮 840 99 157ms 14 days ago 218th error256 839 55 2,436ms 15 Feb 2026 219th albanian-laundromat 🇺🇸 839 69 514ms 6 Dec 2025 220th error256 839 91 59ms 12 Jan 2026 220th Steffan153 🇫🇮 839 91 63ms 20 days ago 222nd bitsandbeyond 🇳🇱 838 43 1,001ms 26 days ago 223rd lifthrasiir 🇰🇷 838 77 186ms 11 Dec 2024 223rd Shanethegamer 🇺🇸 838 77 18ms 13 Dec 2024 223rd addmai 838 77 20ms 24 Jul 2025 223rd hiichbindermax 838 77 18ms 17 Aug 2025 223rd 5cw 🇺🇸 838 77 20ms 22 Aug 2025 223rd davecame 838 77 142ms 25 Sep 2025 223rd SirBogman 🇺🇸 838 77 244ms 13 Oct 2025 223rd jtaxen 838 77 27ms 16 Oct 2025 223rd albanian-laundromat 🇺🇸 838 77 23ms 25 Nov 2025 223rd anter69 🇭🇺 838 77 147ms 4 Feb 2026 223rd Matter1024 🇮🇳 838 77 19ms 12 Feb 2026 223rd KasperKivimaeki 🇫🇮 838 77 589ms 16 Mar 2026 223rd StefanHabel 🇨🇦 838 77 606ms 22 days ago 223rd ahmetdemirag 🇨🇾 838 77 18ms 22 days ago 223rd tomh1012 838 77 19ms 22 days ago 223rd HumanoidCPU 838 77 246ms 21 days ago 223rd qpwoeirut 838 77 19ms 21 days ago 223rd btjones0 838 77 18ms 21 days ago First Prev 161–240 of 589 Next Last