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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 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 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 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 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 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 159th error256 0 74 3ms 12 Jan 2026 159th dokutan 0 74 65ms 8 Feb 2026 159th lukegustafson 🇺🇸 0 74 190ms 15 days ago 159th albanian-laundromat 0 74 9ms 7 days ago 165th Shanethegamer 🇺🇸 0 75 71ms 7 May 2025 165th Natanaelel 🇸🇪 0 75 19ms 11 May 2025 165th commandz0 🇺🇸 0 75 1,210ms 27 Aug 2025 165th albanian-laundromat 0 75 108ms 5 Jan 2026 165th albanian-laundromat 0 75 455ms 6 Jan 2026 165th GolfingSuccess 🇬🇷 0 75 18ms 11 Jan 2026 165th albanian-laundromat 0 75 238ms 21 days ago 165th madex 🇩🇪 0 75 18ms 5 days ago 165th CaedenHarper 🇨🇦 0 75 149ms 3 days ago 165th Yax42 🇫🇷 0 75 4ms 2 hours ago 175th Shanethegamer 🇺🇸 0 76 129ms 13 Dec 2024 175th edsrzf 🇳🇿 0 76 114ms 10 May 2025 175th ovs-code 🇩🇪 0 76 3ms 10 May 2025 175th AlephSquirrel 0 76 43ms 3 Dec 2025 175th AlephSquirrel 0 76 445ms 3 Dec 2025 175th albanian-laundromat 0 76 18ms 21 days ago 175th albanian-laundromat 0 76 188ms 15 days ago 175th MeWhenI 🇻🇦 0 76 586ms 8 days ago 183rd Shanethegamer 🇺🇸 0 77 19ms 13 Dec 2024 183rd DialFrost 🇸🇬 0 77 19ms 8 May 2025 183rd edsrzf 🇳🇿 0 77 1,938ms 9 May 2025 183rd Natanaelel 🇸🇪 0 77 3ms 11 May 2025 183rd addmai 0 77 20ms 24 Jul 2025 183rd hiichbindermax 0 77 19ms 17 Aug 2025 183rd 5cw 🇺🇸 0 77 18ms 22 Aug 2025 183rd davecame 0 77 150ms 25 Sep 2025 183rd SirBogman 🇺🇸 0 77 240ms 13 Oct 2025 183rd jtaxen 0 77 19ms 16 Oct 2025 183rd albanian-laundromat 0 77 412ms 6 Dec 2025 183rd Matter1024 🇮🇳 0 77 17ms 12 Feb 2026 183rd KasperKivimaeki 🇫🇮 0 77 564ms 8 days ago 183rd StefanHabel 🇨🇦 0 77 1,207ms 14 hours ago 183rd ahmetdemirag 🇨🇾 0 77 18ms 9 hours ago 183rd tomh1012 0 77 17ms 7 hours ago 199th jameswmccarty 0 78 20ms 29 Mar 2025 199th DialFrost 🇸🇬 0 78 940ms 10 May 2025 199th DialFrost 🇸🇬 0 78 3ms 10 May 2025 199th solisolu 0 78 20ms 10 Nov 2025 203rd BREMAUCY 🇫🇷 0 79 18ms 11 hours ago 203rd Andrey2001 0 79 18ms 4 hours ago 205th Shanethegamer 🇺🇸 0 80 5ms 3 Jun 2025 205th error256 0 80 466ms 16 Jan 2026 205th madex 🇩🇪 0 80 378ms 13 hours ago 208th Shanethegamer 🇺🇸 0 81 348ms 3 Jun 2025 209th bricknellj 0 82 17ms 30 Jan 2025 209th scpchicken 🇵🇼 0 82 402ms 21 hours ago 209th KatieLG 🇬🇧 0 82 18ms 21 hours ago 209th madex 🇩🇪 0 82 4ms 13 hours ago 213th GolfingSuccess 🇬🇷 0 83 114ms 12 Jan 2026 213th GolfingSuccess 🇬🇷 0 83 386ms 12 Jan 2026 213th error256 0 83 430ms 12 Jan 2026 213th albanian-laundromat 0 83 9ms 26 Jan 2026 217th Shanethegamer 🇺🇸 0 85 6ms 13 Dec 2024 217th edsrzf 🇳🇿 0 85 1,065ms 25 May 2025 217th albanian-laundromat 0 85 92ms 6 Dec 2025 217th GolfingSuccess 🇬🇷 0 85 25ms 14 Jan 2026 221st kg583 🇺🇸 0 86 23ms 2 Oct 2025 221st GolfingSuccess 🇬🇷 0 86 2,109ms 15 days ago 223rd sean-niemann 🇺🇸 0 87 42ms 9 May 2025 223rd error256 0 87 2,931ms 14 Jan 2026 223rd IanUtley 0 87 2,957ms 16 Jan 2026 226th edsrzf 🇳🇿 0 88 2,094ms 15 May 2025 226th muser-logiccpu 🇺🇦 0 88 72ms 2 Sep 2025 226th solisolu 0 88 3ms 11 Nov 2025 226th albanian-laundromat 0 88 1,372ms 5 Jan 2026 226th edsrzf 🇳🇿 0 88 26ms 49 mins ago 231st Shanethegamer 🇺🇸 0 89 99ms 13 Dec 2024 231st GolfingSuccess 🇬🇷 0 89 65ms 12 Jan 2026 233rd sean-niemann 🇺🇸 0 90 7ms 10 May 2025 234th ovs-code 🇩🇪 0 91 261ms 13 Dec 2025 234th error256 0 91 57ms 12 Jan 2026 234th error256 0 91 293ms 14 Jan 2026 234th GolfingSuccess 🇬🇷 0 91 272ms 14 Jan 2026 234th Natanaelel 🇸🇪 0 91 340ms 5 hours ago 239th Shanethegamer 🇺🇸 0 92 462ms 20 May 2025 239th Yax42 🇫🇷 0 92 56ms 2 hours ago First Prev 161–240 of 295 Next Last