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 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 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> 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 ALGOL 68 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> 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 ALGOL 68 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 161st GolfingSuccess 🇬🇷 0 83 111ms 4 days ago 161st GolfingSuccess 🇬🇷 0 83 367ms 4 days ago 161st error256 0 83 367ms 3 days ago 164th albanian-laundromat 0 84 9ms 11 Dec 2025 165th Shanethegamer 🇺🇸 0 85 11ms 13 Dec 2024 165th edsrzf 🇳🇿 0 85 973ms 25 May 2025 165th albanian-laundromat 0 85 92ms 6 Dec 2025 165th GolfingSuccess 🇬🇷 0 85 25ms 2 days ago 169th kg583 🇺🇸 0 86 22ms 2 Oct 2025 169th kg583 🇺🇸 0 86 412ms 3 Oct 2025 171st sean-niemann 🇺🇸 0 87 42ms 9 May 2025 171st error256 0 87 2,932ms 43 hours ago 171st IanUtley 0 87 2,918ms 5 hours ago 174th edsrzf 🇳🇿 0 88 2,069ms 15 May 2025 174th Upload-and-View 🇺🇦 0 88 72ms 2 Sep 2025 174th solisolu 0 88 3ms 11 Nov 2025 174th albanian-laundromat 0 88 1,544ms 11 days ago 174th GolfingSuccess 🇬🇷 0 88 993ms 47 hours ago 179th Shanethegamer 🇺🇸 0 89 97ms 13 Dec 2024 179th GolfingSuccess 🇬🇷 0 89 61ms 4 days ago 181st sean-niemann 🇺🇸 0 90 6ms 10 May 2025 181st rucin93 🇵🇱 0 90 7ms 10 May 2025 183rd ovs-code 🇩🇪 0 91 261ms 13 Dec 2025 183rd error256 0 91 62ms 3 days ago 183rd error256 0 91 293ms 2 days ago 183rd GolfingSuccess 🇬🇷 0 91 272ms 2 days ago 187th Shanethegamer 🇺🇸 0 92 442ms 20 May 2025 188th Shanethegamer 🇺🇸 0 94 414ms 13 Dec 2024 188th edsrzf 🇳🇿 0 94 458ms 20 May 2025 190th albanian-laundromat 0 95 119ms 10 days ago 191st Natanaelel 🇸🇪 0 96 266ms 8 May 2025 191st stefangimmillaro 0 96 21ms 10 May 2025 191st Shanethegamer 🇺🇸 0 96 373ms 3 Jun 2025 191st albanian-laundromat 0 96 5ms 6 Dec 2025 195th edsrzf 🇳🇿 0 97 478ms 24 Sep 2025 195th albanian-laundromat 0 97 44ms 6 Dec 2025 197th kumavale 0 98 155ms 26 Nov 2025 198th edsrzf 🇳🇿 0 99 518ms 9 May 2025 198th Shanethegamer 🇺🇸 0 99 464ms 24 Sep 2025 200th edsrzf 🇳🇿 0 100 145ms 9 May 2025 200th edsrzf 🇳🇿 0 100 307ms 9 May 2025 200th edsrzf 🇳🇿 0 100 16ms 9 May 2025 200th emgordon154 0 100 7ms 9 May 2025 200th JOrE20 🇺🇸 0 100 41ms 15 Dec 2025 205th edsrzf 🇳🇿 0 102 416ms 16 Jun 2025 206th CLOStrophobic 🇮🇹 0 104 21ms 18 Jan 2025 207th kg583 🇺🇸 0 106 38ms 9 May 2025 208th Shanethegamer 🇺🇸 0 107 8ms 9 May 2025 208th AlephSquirrel 0 107 20ms 14 May 2025 210th CLOStrophobic 🇮🇹 0 108 47ms 17 Feb 2025 210th edsrzf 🇳🇿 0 108 1,736ms 21 May 2025 210th albanian-laundromat 0 108 30ms 11 days ago 213th Shanethegamer 🇺🇸 0 114 1,370ms 9 May 2025 213th edsrzf 🇳🇿 0 114 600ms 9 May 2025 215th GolfingSuccess 🇬🇷 0 117 258ms 4 days ago 216th edsrzf 🇳🇿 0 118 666ms 9 May 2025 217th Shanethegamer 🇺🇸 0 121 148ms 13 Dec 2024 217th albanian-laundromat 0 121 78ms 9 Dec 2025 219th albanian-laundromat 0 122 255ms 11 days ago 220th stefangimmillaro 0 124 250ms 10 May 2025 220th Shanethegamer 🇺🇸 0 124 151ms 3 Jun 2025 222nd AstroOrbis 0 126 21ms 12 Aug 2025 223rd MeWhenI 🇻🇦 0 129 478ms 8 May 2025 223rd rucin93 🇵🇱 0 129 389ms 9 May 2025 225th albanian-laundromat 0 135 44ms 37 hours ago 226th edsrzf 🇳🇿 0 136 4,569ms 19 May 2025 227th Shanethegamer 🇺🇸 0 139 266ms 13 Dec 2024 228th Shanethegamer 🇺🇸 0 146 31ms 9 May 2025 229th albanian-laundromat 0 207 1,546ms 10 days ago 230th albanian-laundromat 0 265 50ms 8 Dec 2025 First Prev 161–230 of 230
