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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 160th ovs-code 🇩🇪 849 38 41ms 13 Jan 2026 160th pardouin 🇫🇷 849 38 42ms 19 Feb 2026 160th stefangimmillaro 849 38 44ms 22 days ago 160th blaztoma 🇱🇹 849 38 82ms 13 days ago 165th GolfingSuccess 🇬🇷 849 51 35ms 12 Jan 2026 165th sean-niemann 🇺🇸 849 51 34ms 15 Jan 2026 165th Steffan153 🇫🇮 849 51 34ms 19 Feb 2026 165th Natanaelel 🇸🇪 849 51 34ms 24 Mar 2026 165th voytxt 🇨🇿 849 51 33ms 25 days ago 165th weliveinhell 🇭🇹 849 51 36ms 14 days ago 165th Maznek 849 51 33ms 2 days ago 172nd Steffan153 🇫🇮 849 62 56ms 25 days ago 173rd madex 🇩🇪 849 67 9ms 27 Mar 2026 174th GolfingSuccess 🇬🇷 849 69 422ms 14 Jan 2026 174th error256 849 69 465ms 22 Mar 2026 174th Steffan153 🇫🇮 849 69 486ms 25 days ago 174th stefangimmillaro 849 69 509ms 25 days ago 178th error256 849 98 166ms 16 Jan 2026 178th edsrzf 🇳🇿 849 98 165ms 26 Mar 2026 180th ovs-code 🇩🇪 848 91 261ms 13 Dec 2025 180th error256 848 91 293ms 14 Jan 2026 180th GolfingSuccess 🇬🇷 848 91 272ms 14 Jan 2026 180th Natanaelel 🇸🇪 848 91 311ms 24 Mar 2026 180th edsrzf 🇳🇿 848 91 292ms 25 days ago 180th Steffan153 🇫🇮 848 91 285ms 25 days ago 186th edsrzf 🇳🇿 847 78 110ms 25 days ago 186th Steffan153 🇫🇮 847 78 102ms 25 days ago 186th snoozingnewt 🇨🇦 847 78 105ms 13 days ago 189th edsrzf 🇳🇿 844 48 965ms 25 Mar 2026 190th DialFrost 🇸🇬 844 70 116ms 26 Mar 2026 190th Steffan153 🇫🇮 844 70 2,152ms 25 days ago 192nd Yax42 🇫🇷 843 75 4ms 24 Mar 2026 193rd error256 843 80 466ms 16 Jan 2026 194th error256 842 55 2,608ms 15 Feb 2026 195th emgordon154 841 60 452ms 9 May 2025 195th albanian-laundromat 🇺🇸 841 60 425ms 22 Feb 2026 195th sean-niemann 🇺🇸 841 60 437ms 22 Mar 2026 195th HumanoidCPU 841 60 626ms 24 Mar 2026 195th snoozingnewt 🇨🇦 841 60 477ms 23 days ago 200th albanian-laundromat 🇺🇸 841 64 521ms 23 Feb 2026 201st edsrzf 🇳🇿 841 96 32ms 24 Mar 2026 201st Steffan153 🇫🇮 841 96 30ms 27 days ago 203rd GolfingSuccess 🇬🇷 841 117 330ms 12 Jan 2026 203rd Steffan153 🇫🇮 841 117 329ms 25 days ago 205th Steffan153 🇫🇮 840 50 353ms 25 days ago 206th kg583 🇺🇸 840 86 23ms 2 Oct 2025 207th stefangimmillaro 840 99 161ms 26 days ago 207th Steffan153 🇫🇮 840 99 182ms 25 days ago 207th vang1ong7ang 840 99 185ms 3 hours ago 210th GolfingSuccess 🇬🇷 839 70 15ms 25 days ago 210th rucin93 🇵🇱 839 70 15ms 21 days ago 212th error256 839 91 64ms 12 Jan 2026 212th Steffan153 🇫🇮 839 91 60ms 26 Mar 2026 214th bitsandbeyond 🇳🇱 838 43 1,419ms 19 Mar 2026 215th GolfingSuccess 🇬🇷 838 86 2,109ms 9 Mar 2026 215th Steffan153 🇫🇮 838 86 2,054ms 25 days ago 217th edsrzf 🇳🇿 837 90 21ms 19 days ago 218th MeWhenI 🇻🇦 836 80 113ms 26 days ago 219th error256 835 59 68ms 13 Jan 2026 220th anter69 🇭🇺 834 47 1,398ms 4 Feb 2026 220th emgordon154 834 47 1,387ms 23 days ago 222nd DialFrost 🇸🇬 834 96 6ms 12 days ago 222nd emgordon154 834 96 6ms 2 days ago 224th edsrzf 🇳🇿 834 100 145ms 9 May 2025 225th MeWhenI 🇻🇦 834 118 321ms 28 Mar 2026 226th Steffan153 🇫🇮 833 47 6ms 24 days ago 227th edsrzf 🇳🇿 833 62 122ms 25 Mar 2026 228th ovs-code 🇩🇪 833 71 139ms 26 Mar 2026 229th Lv0Sys 🇵🇱 833 81 437ms 26 Mar 2026 230th roelderickx 833 104 61ms 24 days ago 231st Lv0Sys 🇵🇱 832 52 13ms 26 Mar 2026 232nd ovs-code 🇩🇪 832 76 3ms 10 May 2025 233rd kg583 🇺🇸 832 109 45ms 3 Mar 2026 233rd GolfingSuccess 🇬🇷 832 109 46ms 3 Mar 2026 233rd edsrzf 🇳🇿 832 109 45ms 25 Mar 2026 233rd Steffan153 🇫🇮 832 109 46ms 25 days ago 237th sean-niemann 🇺🇸 830 87 42ms 9 May 2025 238th Yax42 🇫🇷 830 92 63ms 24 Mar 2026 239th DialFrost 🇸🇬 828 69 60ms 20 days ago 240th error256 828 87 2,931ms 14 Jan 2026 First Prev 161–240 of 637 Next Last