Gray Code Decoder in all languages in bytes. 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 Gray Code Decoder Gray Code Encoder 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 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 Gray Code Decoder Gray Code Encoder 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 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 Bytes Time Submitted 481st brian124634 612 103 4ms 10 days ago 482nd madex 🇩🇪 608 99 19ms 14 days ago 483rd kasarino 606 104 3ms 18 days ago 484th tomh1012 601 97 378ms 19 days ago 485th janAkali 🇷🇺 600 99 401ms 11 days ago 486th albanian-laundromat 🇺🇸 598 98 135ms 23 Feb 2026 487th dokutan 596 54 39ms 43 hours ago 488th michelebastione 🇮🇹 595 98 443ms 13 days ago 489th Shanethegamer 🇺🇸 593 121 166ms 13 Dec 2024 490th Solathian 591 46 77ms 17 days ago 491st madex 🇩🇪 590 119 1,267ms 14 days ago 492nd flekAI 585 55 43ms 18 mins ago 493rd albanian-laundromat 🇺🇸 568 75 299ms 2 Mar 2026 493rd dokutan 568 75 209ms 43 hours ago 495th madex 🇩🇪 568 129 366ms 16 days ago 496th scpchicken 🇵🇼 566 48 10ms 15 hours ago 497th prestosilver 🇺🇸 566 105 381ms 11 days ago 498th Shanethegamer 🇺🇸 549 146 31ms 9 May 2025 499th dokutan 538 75 777ms 43 hours ago 500th JDiLenarda 🇫🇷 536 131 1,330ms 18 days ago 501st Shanethegamer 🇺🇸 521 50 4,001ms 8 May 2025 502nd Arkadios200 520 146 2,407ms 3 days ago 503rd madex 🇩🇪 514 100 111ms 14 days ago 504th dokutan 513 191 293ms 44 hours ago 505th AstroOrbis 511 126 32ms 12 Aug 2025 506th madex 🇩🇪 492 53 475ms 16 days ago 507th HumanoidCPU 486 120 401ms 13 days ago 508th madex 🇩🇪 471 170 33ms 14 days ago 509th flekAI 460 59 5ms 3 mins ago 510th Shanethegamer 🇺🇸 458 85 6ms 13 Dec 2024 511th Shanethegamer 🇺🇸 450 107 8ms 9 May 2025 512th Msleizak 🇫🇷 427 84 302ms 13 days ago 513th kasarino 420 170 48ms 5 hours ago 514th madex 🇩🇪 418 78 91ms 15 days ago 515th dokutan 412 163 477ms 44 hours ago 516th dokutan 383 152 407ms 44 hours ago 517th muser-logiccpu 🇺🇦 370 88 70ms 2 Sep 2025 518th Ripick 300 198 381ms 3 days ago 519th dokutan 224 253 5ms 43 hours ago 520th dokutan 205 371 67ms 43 hours ago 521st dokutan 170 371 4ms 43 hours ago 522nd dokutan 152 395 21ms 43 hours ago 523rd darrenks 🇺🇸 0 6 50ms 19 days ago 523rd 2bular 0 6 45ms 18 days ago 523rd Natanaelel 🇸🇪 0 6 48ms 18 days ago 523rd plcc0 0 6 48ms 18 days ago 527th kg583 🇺🇸 0 10 896ms 8 May 2025 528th namelessiw 0 14 335ms 25 Oct 2025 528th themoonisacheese 0 14 2,448ms 11 days ago 530th AlephSquirrel 0 31 8ms 3 Dec 2025 530th ovs-code 🇩🇪 0 31 9ms 3 Dec 2025 532nd AlephSquirrel 0 42 5ms 3 Dec 2025 532nd ovs-code 🇩🇪 0 42 6ms 7 Dec 2025 534th Shanethegamer 🇺🇸 0 52 168ms 7 Feb 2026 535th ovs-code 🇩🇪 0 53 123ms 30 May 2025 536th madex 🇩🇪 0 59 1,081ms 16 days ago 537th GolfingSuccess 🇬🇷 0 65 92ms 12 Jan 2026 538th Shanethegamer 🇺🇸 0 67 92ms 7 May 2025 539th GolfingSuccess 🇬🇷 0 71 23ms 12 Jan 2026 539th GolfingSuccess 🇬🇷 0 71 18ms 14 Jan 2026 541st KatieLG 🇬🇧 0 81 61ms 14 days ago 542nd dokutan 0 85 68ms 43 hours ago 543rd Matter1024 🇮🇳 0 101 60ms 12 hours ago 544th edsrzf 🇳🇿 0 108 1,839ms 21 May 2025 545th btjones0 0 126 168ms 18 days ago 546th edsrzf 🇳🇿 0 136 4,774ms 19 May 2025 First Prev 481–546 of 546
