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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 153rd albanian-laundromat 0 75 238ms 21 days ago 153rd madex 🇩🇪 0 75 18ms 5 days ago 153rd CaedenHarper 🇨🇦 0 75 149ms 2 days ago 164th Shanethegamer 🇺🇸 0 76 129ms 13 Dec 2024 164th edsrzf 🇳🇿 0 76 114ms 10 May 2025 164th ovs-code 🇩🇪 0 76 3ms 10 May 2025 164th AlephSquirrel 0 76 43ms 3 Dec 2025 164th AlephSquirrel 0 76 445ms 3 Dec 2025 164th albanian-laundromat 0 76 18ms 21 days ago 164th albanian-laundromat 0 76 188ms 15 days ago 164th MeWhenI 🇻🇦 0 76 588ms 8 days ago 172nd Shanethegamer 🇺🇸 0 77 19ms 13 Dec 2024 172nd DialFrost 🇸🇬 0 77 19ms 8 May 2025 172nd edsrzf 🇳🇿 0 77 1,938ms 9 May 2025 172nd Natanaelel 🇸🇪 0 77 3ms 11 May 2025 172nd addmai 0 77 20ms 24 Jul 2025 172nd hiichbindermax 0 77 19ms 17 Aug 2025 172nd 5cw 🇺🇸 0 77 18ms 22 Aug 2025 172nd davecame 0 77 150ms 25 Sep 2025 172nd SirBogman 🇺🇸 0 77 240ms 13 Oct 2025 172nd jtaxen 0 77 19ms 16 Oct 2025 172nd albanian-laundromat 0 77 412ms 6 Dec 2025 172nd Matter1024 🇮🇳 0 77 17ms 12 Feb 2026 172nd KasperKivimaeki 🇫🇮 0 77 564ms 8 days ago 172nd StefanHabel 🇨🇦 0 77 1,207ms 4 hours ago 186th jameswmccarty 0 78 20ms 29 Mar 2025 186th DialFrost 🇸🇬 0 78 940ms 10 May 2025 186th DialFrost 🇸🇬 0 78 3ms 10 May 2025 186th solisolu 0 78 20ms 10 Nov 2025 190th KasperKivimaeki 🇫🇮 0 79 3ms 1 Nov 2025 190th BREMAUCY 🇫🇷 0 79 19ms 12 mins ago 192nd Shanethegamer 🇺🇸 0 80 5ms 3 Jun 2025 192nd error256 0 80 466ms 16 Jan 2026 192nd madex 🇩🇪 0 80 378ms 3 hours ago 195th Shanethegamer 🇺🇸 0 81 348ms 3 Jun 2025 196th bricknellj 0 82 17ms 30 Jan 2025 196th scpchicken 🇵🇼 0 82 402ms 10 hours ago 196th KatieLG 🇬🇧 0 82 18ms 10 hours ago 196th madex 🇩🇪 0 82 4ms 3 hours ago 200th GolfingSuccess 🇬🇷 0 83 114ms 12 Jan 2026 200th GolfingSuccess 🇬🇷 0 83 386ms 12 Jan 2026 200th error256 0 83 430ms 12 Jan 2026 200th albanian-laundromat 0 83 9ms 26 Jan 2026 204th Shanethegamer 🇺🇸 0 85 6ms 13 Dec 2024 204th edsrzf 🇳🇿 0 85 1,065ms 25 May 2025 204th albanian-laundromat 0 85 92ms 6 Dec 2025 204th GolfingSuccess 🇬🇷 0 85 25ms 14 Jan 2026 208th kg583 🇺🇸 0 86 23ms 2 Oct 2025 208th GolfingSuccess 🇬🇷 0 86 2,109ms 15 days ago 210th sean-niemann 🇺🇸 0 87 42ms 9 May 2025 210th error256 0 87 2,931ms 14 Jan 2026 210th IanUtley 0 87 2,957ms 16 Jan 2026 213th edsrzf 🇳🇿 0 88 2,094ms 15 May 2025 213th muser-logiccpu 🇺🇦 0 88 72ms 2 Sep 2025 213th solisolu 0 88 3ms 11 Nov 2025 213th albanian-laundromat 0 88 1,372ms 5 Jan 2026 217th Shanethegamer 🇺🇸 0 89 99ms 13 Dec 2024 217th GolfingSuccess 🇬🇷 0 89 65ms 12 Jan 2026 219th sean-niemann 🇺🇸 0 90 7ms 10 May 2025 220th ovs-code 🇩🇪 0 91 261ms 13 Dec 2025 220th error256 0 91 57ms 12 Jan 2026 220th error256 0 91 293ms 14 Jan 2026 220th GolfingSuccess 🇬🇷 0 91 272ms 14 Jan 2026 224th Shanethegamer 🇺🇸 0 92 462ms 20 May 2025 225th Shanethegamer 🇺🇸 0 94 383ms 13 Dec 2024 225th edsrzf 🇳🇿 0 94 459ms 20 May 2025 227th albanian-laundromat 0 95 114ms 6 Jan 2026 228th Natanaelel 🇸🇪 0 96 266ms 8 May 2025 228th stefangimmillaro 0 96 20ms 10 May 2025 228th Shanethegamer 🇺🇸 0 96 427ms 3 Jun 2025 228th albanian-laundromat 0 96 5ms 6 Dec 2025 228th MeWhenI 🇻🇦 0 96 399ms 8 days ago 233rd edsrzf 🇳🇿 0 97 512ms 24 Sep 2025 233rd albanian-laundromat 0 97 44ms 6 Dec 2025 235th kumavale 0 98 155ms 26 Nov 2025 235th error256 0 98 156ms 16 Jan 2026 235th albanian-laundromat 0 98 135ms 23 Feb 2026 238th edsrzf 🇳🇿 0 99 468ms 9 May 2025 238th Shanethegamer 🇺🇸 0 99 352ms 24 Sep 2025 240th edsrzf 🇳🇿 0 100 145ms 9 May 2025 First Prev 161–240 of 276 Next Last