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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers 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 ><> ALGOL 68 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 ArkScript 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 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 ArkScript 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers 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 154th 5cw 🇺🇸 0 77 18ms 22 Aug 2025 154th davecame 0 77 150ms 25 Sep 2025 154th SirBogman 🇺🇸 0 77 240ms 13 Oct 2025 154th jtaxen 0 77 19ms 16 Oct 2025 154th albanian-laundromat 0 77 412ms 6 Dec 2025 154th Matter1024 🇮🇳 0 77 17ms 16 days ago 167th jameswmccarty 0 78 20ms 29 Mar 2025 167th DialFrost 🇸🇬 0 78 939ms 10 May 2025 167th DialFrost 🇸🇬 0 78 3ms 10 May 2025 167th solisolu 0 78 20ms 10 Nov 2025 171st KasperKivimaeki 🇫🇮 0 79 3ms 1 Nov 2025 172nd Shanethegamer 🇺🇸 0 80 5ms 3 Jun 2025 172nd error256 0 80 466ms 16 Jan 2026 174th Shanethegamer 🇺🇸 0 81 291ms 3 Jun 2025 174th albanian-laundromat 0 81 9ms 13 days ago 176th bricknellj 0 82 17ms 30 Jan 2025 176th aksyristos 0 82 17ms 13 Jan 2026 178th GolfingSuccess 🇬🇷 0 83 111ms 12 Jan 2026 178th GolfingSuccess 🇬🇷 0 83 386ms 12 Jan 2026 178th error256 0 83 430ms 12 Jan 2026 178th albanian-laundromat 0 83 9ms 26 Jan 2026 182nd albanian-laundromat 0 84 135ms 13 days ago 183rd Shanethegamer 🇺🇸 0 85 11ms 13 Dec 2024 183rd edsrzf 🇳🇿 0 85 973ms 25 May 2025 183rd albanian-laundromat 0 85 92ms 6 Dec 2025 183rd GolfingSuccess 🇬🇷 0 85 25ms 14 Jan 2026 187th kg583 🇺🇸 0 86 22ms 2 Oct 2025 188th sean-niemann 🇺🇸 0 87 42ms 9 May 2025 188th error256 0 87 3,061ms 14 Jan 2026 188th IanUtley 0 87 3,106ms 16 Jan 2026 191st edsrzf 🇳🇿 0 88 2,069ms 15 May 2025 191st muser-logiccpu 🇺🇦 0 88 72ms 2 Sep 2025 191st solisolu 0 88 3ms 11 Nov 2025 191st albanian-laundromat 0 88 1,304ms 5 Jan 2026 191st GolfingSuccess 🇬🇷 0 88 1,013ms 14 Jan 2026 196th Shanethegamer 🇺🇸 0 89 106ms 13 Dec 2024 196th GolfingSuccess 🇬🇷 0 89 57ms 12 Jan 2026 198th sean-niemann 🇺🇸 0 90 6ms 10 May 2025 198th rucin93 🇵🇱 0 90 7ms 10 May 2025 200th ovs-code 🇩🇪 0 91 261ms 13 Dec 2025 200th error256 0 91 55ms 12 Jan 2026 200th error256 0 91 293ms 14 Jan 2026 200th GolfingSuccess 🇬🇷 0 91 272ms 14 Jan 2026 204th Shanethegamer 🇺🇸 0 92 462ms 20 May 2025 205th Shanethegamer 🇺🇸 0 94 414ms 13 Dec 2024 205th edsrzf 🇳🇿 0 94 459ms 20 May 2025 207th albanian-laundromat 0 95 119ms 6 Jan 2026 208th Natanaelel 🇸🇪 0 96 266ms 8 May 2025 208th stefangimmillaro 0 96 20ms 10 May 2025 208th Shanethegamer 🇺🇸 0 96 437ms 3 Jun 2025 208th albanian-laundromat 0 96 5ms 6 Dec 2025 212th edsrzf 🇳🇿 0 97 512ms 24 Sep 2025 212th albanian-laundromat 0 97 44ms 6 Dec 2025 214th kumavale 0 98 146ms 26 Nov 2025 214th error256 0 98 151ms 16 Jan 2026 214th albanian-laundromat 0 98 120ms 5 days ago 217th edsrzf 🇳🇿 0 99 481ms 9 May 2025 217th Shanethegamer 🇺🇸 0 99 352ms 24 Sep 2025 219th edsrzf 🇳🇿 0 100 145ms 9 May 2025 219th edsrzf 🇳🇿 0 100 307ms 9 May 2025 219th edsrzf 🇳🇿 0 100 18ms 9 May 2025 219th emgordon154 0 100 7ms 9 May 2025 219th JOrE20 0 100 42ms 15 Dec 2025 224th edsrzf 🇳🇿 0 102 440ms 16 Jun 2025 225th CLOStrophobic 🇮🇹 0 104 21ms 18 Jan 2025 226th kg583 🇺🇸 0 106 38ms 9 May 2025 227th Shanethegamer 🇺🇸 0 107 8ms 9 May 2025 227th AlephSquirrel 0 107 20ms 14 May 2025 229th CLOStrophobic 🇮🇹 0 108 47ms 17 Feb 2025 229th edsrzf 🇳🇿 0 108 1,839ms 21 May 2025 229th albanian-laundromat 0 108 31ms 5 Jan 2026 232nd GolfingSuccess 🇬🇷 0 112 44ms 24 Jan 2026 233rd Shanethegamer 🇺🇸 0 114 1,370ms 9 May 2025 233rd edsrzf 🇳🇿 0 114 697ms 9 May 2025 233rd error256 0 114 480ms 29 Jan 2026 236th GolfingSuccess 🇬🇷 0 117 298ms 12 Jan 2026 237th edsrzf 🇳🇿 0 118 731ms 9 May 2025 238th Shanethegamer 🇺🇸 0 121 148ms 13 Dec 2024 238th albanian-laundromat 0 121 78ms 9 Dec 2025 238th elgan65536 🇺🇸 0 121 172ms 19 days ago First Prev 161–240 of 252 Next Last