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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 160th saito-ta 🇯🇵 0 74 3ms 11 May 2025 160th error256 0 74 3ms 12 Jan 2026 160th dokutan 0 74 65ms 8 Feb 2026 160th lukegustafson 🇺🇸 0 74 190ms 15 days ago 160th albanian-laundromat 0 74 9ms 7 days ago 166th Shanethegamer 🇺🇸 0 75 71ms 7 May 2025 166th Natanaelel 🇸🇪 0 75 19ms 11 May 2025 166th commandz0 🇺🇸 0 75 1,210ms 27 Aug 2025 166th albanian-laundromat 0 75 108ms 5 Jan 2026 166th albanian-laundromat 0 75 455ms 6 Jan 2026 166th GolfingSuccess 🇬🇷 0 75 18ms 11 Jan 2026 166th albanian-laundromat 0 75 238ms 21 days ago 166th madex 🇩🇪 0 75 18ms 5 days ago 166th CaedenHarper 🇨🇦 0 75 149ms 3 days ago 166th Yax42 🇫🇷 0 75 4ms 2 hours ago 176th Shanethegamer 🇺🇸 0 76 129ms 13 Dec 2024 176th edsrzf 🇳🇿 0 76 114ms 10 May 2025 176th ovs-code 🇩🇪 0 76 3ms 10 May 2025 176th AlephSquirrel 0 76 43ms 3 Dec 2025 176th AlephSquirrel 0 76 445ms 3 Dec 2025 176th albanian-laundromat 0 76 18ms 21 days ago 176th albanian-laundromat 0 76 188ms 15 days ago 176th MeWhenI 🇻🇦 0 76 586ms 8 days ago 184th Shanethegamer 🇺🇸 0 77 19ms 13 Dec 2024 184th DialFrost 🇸🇬 0 77 19ms 8 May 2025 184th edsrzf 🇳🇿 0 77 1,938ms 9 May 2025 184th Natanaelel 🇸🇪 0 77 3ms 11 May 2025 184th addmai 0 77 20ms 24 Jul 2025 184th hiichbindermax 0 77 19ms 17 Aug 2025 184th 5cw 🇺🇸 0 77 18ms 22 Aug 2025 184th davecame 0 77 150ms 25 Sep 2025 184th SirBogman 🇺🇸 0 77 240ms 13 Oct 2025 184th jtaxen 0 77 19ms 16 Oct 2025 184th albanian-laundromat 0 77 412ms 6 Dec 2025 184th Matter1024 🇮🇳 0 77 17ms 12 Feb 2026 184th KasperKivimaeki 🇫🇮 0 77 564ms 8 days ago 184th StefanHabel 🇨🇦 0 77 1,207ms 15 hours ago 184th ahmetdemirag 🇨🇾 0 77 18ms 10 hours ago 184th tomh1012 0 77 17ms 8 hours ago 200th jameswmccarty 0 78 20ms 29 Mar 2025 200th DialFrost 🇸🇬 0 78 940ms 10 May 2025 200th DialFrost 🇸🇬 0 78 3ms 10 May 2025 200th solisolu 0 78 20ms 10 Nov 2025 204th BREMAUCY 🇫🇷 0 79 18ms 11 hours ago 204th Andrey2001 0 79 18ms 5 hours ago 206th Shanethegamer 🇺🇸 0 80 5ms 3 Jun 2025 206th error256 0 80 466ms 16 Jan 2026 206th madex 🇩🇪 0 80 378ms 14 hours ago 209th Shanethegamer 🇺🇸 0 81 348ms 3 Jun 2025 210th bricknellj 0 82 17ms 30 Jan 2025 210th scpchicken 🇵🇼 0 82 402ms 22 hours ago 210th KatieLG 🇬🇧 0 82 18ms 22 hours ago 210th madex 🇩🇪 0 82 4ms 14 hours ago 214th GolfingSuccess 🇬🇷 0 83 114ms 12 Jan 2026 214th GolfingSuccess 🇬🇷 0 83 386ms 12 Jan 2026 214th error256 0 83 430ms 12 Jan 2026 214th albanian-laundromat 0 83 9ms 26 Jan 2026 218th Shanethegamer 🇺🇸 0 85 6ms 13 Dec 2024 218th edsrzf 🇳🇿 0 85 1,065ms 25 May 2025 218th albanian-laundromat 0 85 92ms 6 Dec 2025 218th GolfingSuccess 🇬🇷 0 85 25ms 14 Jan 2026 222nd kg583 🇺🇸 0 86 23ms 2 Oct 2025 222nd GolfingSuccess 🇬🇷 0 86 2,109ms 15 days ago 224th sean-niemann 🇺🇸 0 87 42ms 9 May 2025 224th error256 0 87 2,931ms 14 Jan 2026 224th IanUtley 0 87 2,957ms 16 Jan 2026 227th edsrzf 🇳🇿 0 88 2,094ms 15 May 2025 227th muser-logiccpu 🇺🇦 0 88 72ms 2 Sep 2025 227th solisolu 0 88 3ms 11 Nov 2025 227th albanian-laundromat 0 88 1,372ms 5 Jan 2026 227th edsrzf 🇳🇿 0 88 26ms 94 mins ago 232nd Shanethegamer 🇺🇸 0 89 99ms 13 Dec 2024 232nd GolfingSuccess 🇬🇷 0 89 65ms 12 Jan 2026 234th sean-niemann 🇺🇸 0 90 7ms 10 May 2025 235th ovs-code 🇩🇪 0 91 261ms 13 Dec 2025 235th error256 0 91 57ms 12 Jan 2026 235th error256 0 91 293ms 14 Jan 2026 235th GolfingSuccess 🇬🇷 0 91 272ms 14 Jan 2026 235th Natanaelel 🇸🇪 0 91 340ms 6 hours ago 240th Shanethegamer 🇺🇸 0 92 462ms 20 May 2025 First Prev 161–240 of 296 Next Last