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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 Huffman Encoder 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 Huffman Encoder 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 101st pardouin 🇫🇷 869 45 1,697ms 15 Feb 2026 101st stefangimmillaro 869 45 1,519ms 25 Mar 2026 101st Steffan153 🇫🇮 869 45 1,532ms 31 Mar 2026 104th sean-niemann 🇺🇸 868 63 7ms 9 May 2025 104th rucin93 🇵🇱 868 63 7ms 10 May 2025 104th edsrzf 🇳🇿 868 63 7ms 10 May 2025 104th targrik 868 63 7ms 8 Oct 2025 104th GolfingSuccess 🇬🇷 868 63 7ms 12 Jan 2026 104th Steffan153 🇫🇮 868 63 7ms 29 Mar 2026 110th lukegustafson 🇺🇸 866 54 140ms 26 days ago 111th kumavale 863 96 175ms 26 Mar 2026 112th edsrzf 🇳🇿 861 69 461ms 25 Mar 2026 112th Steffan153 🇫🇮 861 69 444ms 1 Apr 2026 114th Steffan153 🇫🇮 861 78 454ms 30 Mar 2026 114th sean-niemann 🇺🇸 861 78 413ms 30 Mar 2026 116th error256 860 70 18ms 13 Mar 2026 117th error256 860 114 551ms 29 Jan 2026 117th edsrzf 🇳🇿 860 114 558ms 25 Mar 2026 119th GolfingSuccess 🇬🇷 859 56 8ms 14 Jan 2026 119th kg583 🇺🇸 859 56 8ms 14 Jan 2026 119th edsrzf 🇳🇿 859 56 9ms 24 Mar 2026 119th Steffan153 🇫🇮 859 56 9ms 1 Apr 2026 123rd Steffan153 🇫🇮 858 38 260ms 31 Mar 2026 124th GolfingSuccess 🇬🇷 858 66 10ms 12 Jan 2026 124th edsrzf 🇳🇿 858 66 10ms 25 Mar 2026 124th Steffan153 🇫🇮 858 66 10ms 26 Mar 2026 127th Steffan153 🇫🇮 856 60 112ms 28 Mar 2026 128th albanian-laundromat 🇺🇸 854 54 2,356ms 18 Feb 2026 129th lifthrasiir 🇰🇷 854 59 622ms 11 Dec 2024 129th ovs-code 🇩🇪 854 59 521ms 23 Feb 2025 131st error256 854 64 4,064ms 15 Jan 2026 132nd GolfingSuccess 🇬🇷 853 49 34ms 12 Jan 2026 132nd error256 853 49 349ms 13 Jan 2026 132nd albanian-laundromat 🇺🇸 853 49 35ms 9 Mar 2026 132nd MeWhenI 🇻🇦 853 49 35ms 25 Mar 2026 136th saito-ta 🇯🇵 853 74 3ms 11 May 2025 136th error256 853 74 3ms 12 Jan 2026 138th GolfingSuccess 🇬🇷 853 89 71ms 12 Jan 2026 139th stefangimmillaro 852 78 145ms 31 Mar 2026 139th Steffan153 🇫🇮 852 78 132ms 1 Apr 2026 141st Steffan153 🇫🇮 851 70 132ms 1 Apr 2026 141st edsrzf 🇳🇿 851 70 3,044ms 1 Apr 2026 143rd GolfingSuccess 🇬🇷 850 85 28ms 14 Jan 2026 143rd edsrzf 🇳🇿 850 85 28ms 25 Mar 2026 145th Natanaelel 🇸🇪 848 38 39ms 8 May 2025 145th ovs-code 🇩🇪 848 38 41ms 13 Jan 2026 145th pardouin 🇫🇷 848 38 42ms 19 Feb 2026 145th stefangimmillaro 848 38 44ms 26 days ago 145th blaztoma 🇱🇹 848 38 82ms 17 days ago 150th ovs-code 🇩🇪 848 46 11ms 27 Mar 2026 150th emgordon154 848 46 11ms 29 Mar 2026 150th Steffan153 🇫🇮 848 46 11ms 30 Mar 2026 153rd GolfingSuccess 🇬🇷 848 51 35ms 12 Jan 2026 153rd sean-niemann 🇺🇸 848 51 34ms 15 Jan 2026 153rd Steffan153 🇫🇮 848 51 34ms 19 Feb 2026 153rd Natanaelel 🇸🇪 848 51 34ms 24 Mar 2026 153rd voytxt 🇨🇿 848 51 33ms 1 Apr 2026 153rd weliveinhell 🇭🇹 848 51 36ms 18 days ago 153rd Maznek 848 51 33ms 6 days ago 160th Steffan153 🇫🇮 848 63 483ms 1 Apr 2026 160th edsrzf 🇳🇿 848 63 504ms 2 Apr 2026 160th emgordon154 848 63 505ms 18 days ago 163rd edsrzf 🇳🇿 848 71 17ms 25 Mar 2026 163rd kg583 🇺🇸 848 71 18ms 25 Mar 2026 163rd Steffan153 🇫🇮 848 71 17ms 30 Mar 2026 163rd GolfingSuccess 🇬🇷 848 71 19ms 1 Apr 2026 167th GolfingSuccess 🇬🇷 847 69 422ms 14 Jan 2026 167th error256 847 69 465ms 22 Mar 2026 167th Steffan153 🇫🇮 847 69 486ms 1 Apr 2026 167th stefangimmillaro 847 69 509ms 1 Apr 2026 171st edsrzf 🇳🇿 847 94 6ms 26 Mar 2026 171st albanian-laundromat 🇺🇸 847 94 6ms 26 Mar 2026 171st sean-niemann 🇺🇸 847 94 6ms 30 Mar 2026 171st Steffan153 🇫🇮 847 94 6ms 1 Apr 2026 175th error256 846 98 166ms 16 Jan 2026 175th edsrzf 🇳🇿 846 98 165ms 26 Mar 2026 175th vang1ong7ang 🇦🇶 846 98 160ms 29 hours ago 178th madex 🇩🇪 845 67 9ms 27 Mar 2026 179th Steffan153 🇫🇮 845 69 6ms 1 Apr 2026 180th edsrzf 🇳🇿 845 83 1,489ms 25 Mar 2026 180th Steffan153 🇫🇮 845 83 1,498ms 1 Apr 2026 182nd ovs-code 🇩🇪 843 91 261ms 13 Dec 2025 182nd error256 843 91 293ms 14 Jan 2026 182nd GolfingSuccess 🇬🇷 843 91 272ms 14 Jan 2026 182nd Natanaelel 🇸🇪 843 91 311ms 24 Mar 2026 182nd edsrzf 🇳🇿 843 91 292ms 1 Apr 2026 182nd Steffan153 🇫🇮 843 91 285ms 1 Apr 2026 188th Steffan153 🇫🇮 842 62 56ms 1 Apr 2026 189th Yax42 🇫🇷 842 75 4ms 24 Mar 2026 190th edsrzf 🇳🇿 841 78 110ms 1 Apr 2026 190th Steffan153 🇫🇮 841 78 102ms 1 Apr 2026 190th snoozingnewt 🇨🇦 841 78 105ms 16 days ago 193rd edsrzf 🇳🇿 840 48 852ms 25 Mar 2026 194th emgordon154 840 60 452ms 9 May 2025 194th albanian-laundromat 🇺🇸 840 60 425ms 22 Feb 2026 194th sean-niemann 🇺🇸 840 60 437ms 22 Mar 2026 194th HumanoidCPU 840 60 626ms 24 Mar 2026 194th snoozingnewt 🇨🇦 840 60 477ms 27 days ago 199th error256 840 80 466ms 16 Jan 2026 200th kg583 🇺🇸 840 86 23ms 2 Oct 2025 First Prev 101–200 of 572 Next Last