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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 228th DialFrost 🇸🇬 0 75 25ms 15 hours ago 242nd Shanethegamer 🇺🇸 0 76 129ms 13 Dec 2024 242nd ovs-code 🇩🇪 0 76 4ms 10 May 2025 242nd AlephSquirrel 0 76 43ms 3 Dec 2025 242nd AlephSquirrel 0 76 445ms 3 Dec 2025 242nd albanian-laundromat 0 76 18ms 27 days ago 242nd albanian-laundromat 0 76 188ms 21 days ago 242nd MeWhenI 🇻🇦 0 76 586ms 14 days ago 242nd MeWhenI 🇻🇦 0 76 184ms 4 days ago 242nd duckyluuk 🇳🇱 0 76 128ms 3 days ago 251st Shanethegamer 🇺🇸 0 77 19ms 13 Dec 2024 251st Natanaelel 🇸🇪 0 77 3ms 11 May 2025 251st addmai 0 77 20ms 24 Jul 2025 251st hiichbindermax 0 77 17ms 17 Aug 2025 251st 5cw 🇺🇸 0 77 18ms 22 Aug 2025 251st davecame 0 77 135ms 25 Sep 2025 251st SirBogman 🇺🇸 0 77 232ms 13 Oct 2025 251st jtaxen 0 77 19ms 16 Oct 2025 251st albanian-laundromat 0 77 412ms 6 Dec 2025 251st Matter1024 🇮🇳 0 77 17ms 12 Feb 2026 251st KasperKivimaeki 🇫🇮 0 77 564ms 14 days ago 251st StefanHabel 🇨🇦 0 77 1,217ms 6 days ago 251st ahmetdemirag 🇨🇾 0 77 18ms 5 days ago 251st tomh1012 0 77 17ms 5 days ago 251st qpwoeirut 0 77 20ms 5 days ago 251st btjones0 0 77 19ms 5 days ago 251st ComradeSquirrel 0 77 18ms 4 days ago 251st bzijlema 🇳🇱 0 77 18ms 4 days ago 251st Lv0Sys 🇵🇱 0 77 18ms 3 days ago 251st stefangimmillaro 0 77 136ms 27 hours ago 251st LostSyntax21 🇬🇧 0 77 18ms 17 hours ago 272nd jameswmccarty 0 78 19ms 29 Mar 2025 272nd DialFrost 🇸🇬 0 78 3ms 10 May 2025 272nd solisolu 0 78 20ms 10 Nov 2025 272nd madex 🇩🇪 0 78 3ms 2 days ago 272nd madex 🇩🇪 0 78 91ms 36 hours ago 272nd Steffan153 🇫🇮 0 78 454ms 104 mins ago 278th BREMAUCY 🇫🇷 0 79 18ms 5 days ago 278th Andrey2001 0 79 18ms 5 days ago 278th edsrzf 🇳🇿 0 79 30ms 4 days ago 278th mishak-sys 0 79 411ms 3 days ago 278th madex 🇩🇪 0 79 29ms 36 hours ago 283rd Shanethegamer 🇺🇸 0 80 5ms 3 Jun 2025 283rd error256 0 80 466ms 16 Jan 2026 283rd albanian-laundromat 0 80 29ms 5 days ago 286th Shanethegamer 🇺🇸 0 81 348ms 3 Jun 2025 286th Lv0Sys 🇵🇱 0 81 437ms 3 days ago 286th Aquateraneal 🇺🇸 0 81 19ms 3 days ago 286th luuumine 🇫🇷 0 81 16ms 2 days ago 286th acollett89 0 81 14ms 2 days ago 286th solisolu 0 81 4ms 31 hours ago 292nd bricknellj 0 82 17ms 30 Jan 2025 292nd scpchicken 🇵🇼 0 82 402ms 6 days ago 292nd KatieLG 🇬🇧 0 82 18ms 6 days ago 292nd MeWhenI 🇻🇦 0 82 105ms 4 days ago 292nd MeWhenI 🇻🇦 0 82 391ms 2 days ago 297th GolfingSuccess 🇬🇷 0 83 114ms 12 Jan 2026 297th GolfingSuccess 🇬🇷 0 83 386ms 12 Jan 2026 297th error256 0 83 430ms 12 Jan 2026 297th albanian-laundromat 0 83 9ms 26 Jan 2026 297th edsrzf 🇳🇿 0 83 473ms 5 days ago 297th edsrzf 🇳🇿 0 83 1,251ms 4 days ago 297th edsrzf 🇳🇿 0 83 106ms 3 days ago 297th Steffan153 🇫🇮 0 83 416ms 3 days ago 297th msbranicky 0 83 18ms 2 days ago 306th madex 🇩🇪 0 84 373ms 32 hours ago 307th Shanethegamer 🇺🇸 0 85 6ms 13 Dec 2024 307th edsrzf 🇳🇿 0 85 1,065ms 25 May 2025 307th albanian-laundromat 0 85 98ms 6 Dec 2025 307th GolfingSuccess 🇬🇷 0 85 25ms 14 Jan 2026 307th edsrzf 🇳🇿 0 85 28ms 4 days ago 312th kg583 🇺🇸 0 86 23ms 2 Oct 2025 312th GolfingSuccess 🇬🇷 0 86 2,109ms 20 days ago 314th sean-niemann 🇺🇸 0 87 42ms 9 May 2025 314th error256 0 87 2,931ms 14 Jan 2026 314th IanUtley 0 87 2,957ms 16 Jan 2026 314th CaedenHarper 🇨🇦 0 87 439ms 5 days ago 314th madex 🇩🇪 0 87 13ms 2 days ago 319th muser-logiccpu 🇺🇦 0 88 72ms 2 Sep 2025 319th albanian-laundromat 0 88 1,372ms 5 Jan 2026 First Prev 241–320 of 413 Next Last