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Gray Code Decoder in all languages in chars. 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 Nim 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 Nim 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 Chars Time Submitted 100th rucin93 🇵🇱 868 63 7ms 10 May 2025 100th edsrzf 🇳🇿 868 63 7ms 10 May 2025 100th targrik 868 63 7ms 8 Oct 2025 100th GolfingSuccess 🇬🇷 868 63 7ms 12 Jan 2026 100th Steffan153 🇫🇮 868 63 7ms 29 Mar 2026 106th lukegustafson 🇺🇸 866 54 140ms 23 days ago 107th canissimia 🇦🇶 864 45 31ms 20 days ago 108th kumavale 863 96 175ms 26 Mar 2026 109th edsrzf 🇳🇿 861 69 461ms 25 Mar 2026 109th Steffan153 🇫🇮 861 69 444ms 26 days ago 111th Steffan153 🇫🇮 861 78 454ms 30 Mar 2026 111th sean-niemann 🇺🇸 861 78 413ms 30 Mar 2026 113th error256 860 70 18ms 13 Mar 2026 114th error256 860 114 551ms 29 Jan 2026 114th edsrzf 🇳🇿 860 114 558ms 25 Mar 2026 116th GolfingSuccess 🇬🇷 859 56 8ms 14 Jan 2026 116th kg583 🇺🇸 859 56 8ms 14 Jan 2026 116th edsrzf 🇳🇿 859 56 9ms 24 Mar 2026 116th Steffan153 🇫🇮 859 56 9ms 26 days ago 120th Steffan153 🇫🇮 858 38 260ms 26 days ago 121st GolfingSuccess 🇬🇷 858 66 10ms 12 Jan 2026 121st edsrzf 🇳🇿 858 66 10ms 25 Mar 2026 121st Steffan153 🇫🇮 858 66 10ms 26 Mar 2026 124th Steffan153 🇫🇮 856 60 112ms 28 Mar 2026 125th albanian-laundromat 🇺🇸 854 54 2,356ms 18 Feb 2026 126th lifthrasiir 🇰🇷 854 59 622ms 11 Dec 2024 126th ovs-code 🇩🇪 854 59 521ms 23 Feb 2025 128th error256 854 64 4,064ms 15 Jan 2026 129th GolfingSuccess 🇬🇷 853 49 34ms 12 Jan 2026 129th error256 853 49 349ms 13 Jan 2026 129th albanian-laundromat 🇺🇸 853 49 35ms 9 Mar 2026 129th MeWhenI 🇻🇦 853 49 35ms 25 Mar 2026 133rd saito-ta 🇯🇵 853 74 3ms 11 May 2025 133rd error256 853 74 3ms 12 Jan 2026 135th GolfingSuccess 🇬🇷 853 89 71ms 12 Jan 2026 136th stefangimmillaro 852 78 145ms 27 days ago 136th Steffan153 🇫🇮 852 78 132ms 26 days ago 138th Steffan153 🇫🇮 851 70 132ms 26 days ago 138th edsrzf 🇳🇿 851 70 3,044ms 26 days ago 140th Natanaelel 🇸🇪 848 38 39ms 8 May 2025 140th ovs-code 🇩🇪 848 38 41ms 13 Jan 2026 140th pardouin 🇫🇷 848 38 42ms 19 Feb 2026 140th stefangimmillaro 848 38 44ms 23 days ago 140th blaztoma 🇱🇹 848 38 82ms 14 days ago 145th ovs-code 🇩🇪 848 46 11ms 27 Mar 2026 145th emgordon154 848 46 11ms 29 Mar 2026 145th Steffan153 🇫🇮 848 46 11ms 30 Mar 2026 148th GolfingSuccess 🇬🇷 848 51 35ms 12 Jan 2026 148th sean-niemann 🇺🇸 848 51 34ms 15 Jan 2026 148th Steffan153 🇫🇮 848 51 34ms 19 Feb 2026 148th Natanaelel 🇸🇪 848 51 34ms 24 Mar 2026 148th voytxt 🇨🇿 848 51 33ms 26 days ago 148th weliveinhell 🇭🇹 848 51 36ms 15 days ago 148th Maznek 848 51 33ms 3 days ago 155th Steffan153 🇫🇮 848 63 483ms 26 days ago 155th edsrzf 🇳🇿 848 63 504ms 25 days ago 155th emgordon154 848 63 505ms 15 days ago 158th edsrzf 🇳🇿 848 71 17ms 25 Mar 2026 158th kg583 🇺🇸 848 71 18ms 25 Mar 2026 158th Steffan153 🇫🇮 848 71 17ms 30 Mar 2026 158th GolfingSuccess 🇬🇷 848 71 19ms 26 days ago 162nd GolfingSuccess 🇬🇷 847 69 422ms 14 Jan 2026 162nd error256 847 69 465ms 22 Mar 2026 162nd Steffan153 🇫🇮 847 69 486ms 26 days ago 162nd stefangimmillaro 847 69 509ms 26 days ago 166th edsrzf 🇳🇿 847 94 6ms 26 Mar 2026 166th albanian-laundromat 🇺🇸 847 94 6ms 26 Mar 2026 166th sean-niemann 🇺🇸 847 94 6ms 30 Mar 2026 166th Steffan153 🇫🇮 847 94 6ms 26 days ago 170th error256 846 98 166ms 16 Jan 2026 170th edsrzf 🇳🇿 846 98 165ms 26 Mar 2026 172nd madex 🇩🇪 845 67 9ms 27 Mar 2026 173rd Steffan153 🇫🇮 845 69 7ms 26 days ago 174th edsrzf 🇳🇿 845 83 1,489ms 25 Mar 2026 174th Steffan153 🇫🇮 845 83 1,498ms 26 days ago 176th GolfingSuccess 🇬🇷 845 85 28ms 14 Jan 2026 176th edsrzf 🇳🇿 845 85 28ms 25 Mar 2026 178th ovs-code 🇩🇪 843 91 261ms 13 Dec 2025 178th error256 843 91 293ms 14 Jan 2026 178th GolfingSuccess 🇬🇷 843 91 272ms 14 Jan 2026 178th Natanaelel 🇸🇪 843 91 311ms 24 Mar 2026 178th edsrzf 🇳🇿 843 91 292ms 26 days ago 178th Steffan153 🇫🇮 843 91 285ms 26 days ago 184th Steffan153 🇫🇮 842 62 56ms 26 days ago 185th Yax42 🇫🇷 842 75 4ms 24 Mar 2026 186th edsrzf 🇳🇿 841 78 110ms 26 days ago 186th Steffan153 🇫🇮 841 78 102ms 26 days ago 186th snoozingnewt 🇨🇦 841 78 105ms 14 days ago 189th edsrzf 🇳🇿 840 48 862ms 25 Mar 2026 190th emgordon154 840 60 452ms 9 May 2025 190th albanian-laundromat 🇺🇸 840 60 425ms 22 Feb 2026 190th sean-niemann 🇺🇸 840 60 437ms 22 Mar 2026 190th HumanoidCPU 840 60 626ms 24 Mar 2026 190th snoozingnewt 🇨🇦 840 60 477ms 24 days ago 195th error256 840 80 466ms 16 Jan 2026 196th error256 839 55 2,608ms 15 Feb 2026 197th GolfingSuccess 🇬🇷 838 117 330ms 12 Jan 2026 197th Steffan153 🇫🇮 838 117 329ms 26 days ago 199th DialFrost 🇸🇬 837 70 141ms 26 Mar 2026 199th Steffan153 🇫🇮 837 70 2,394ms 26 days ago First Prev 101–200 of 567 Next Last