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 Shanethegamer 🇺🇸 630 68 254ms 13 Dec 2024 482nd GolfingSuccess 🇬🇷 626 137 91ms 19 days ago 483rd HumanoidCPU 625 133 162ms 20 days ago 484th Shanethegamer 🇺🇸 623 94 371ms 13 Dec 2024 485th Shanethegamer 🇺🇸 622 96 427ms 3 Jun 2025 486th IISResetMe 621 58 308ms 18 days ago 487th Shanethegamer 🇺🇸 619 114 1,281ms 9 May 2025 488th UnderKoen 🇳🇱 617 139 1,195ms 20 days ago 489th brian124634 613 103 4ms 12 days ago 490th madex 🇩🇪 611 99 19ms 17 days ago 491st kasarino 607 104 3ms 20 days ago 492nd flekAI 607 162 312ms 47 hours ago 493rd scpchicken 🇵🇼 604 45 6ms 22 hours ago 494th tomh1012 604 97 378ms 21 days ago 495th albanian-laundromat 🇺🇸 603 98 135ms 23 Feb 2026 496th janAkali 🇷🇺 603 99 401ms 13 days ago 497th michelebastione 🇮🇹 598 98 443ms 15 days ago 498th dokutan 597 54 39ms 3 days ago 499th flekAI 594 66 1,280ms 47 hours ago 500th madex 🇩🇪 593 119 1,267ms 17 days ago 501st Shanethegamer 🇺🇸 593 121 166ms 13 Dec 2024 502nd Solathian 591 46 77ms 19 days ago 503rd flekAI 586 55 40ms 2 days ago 504th albanian-laundromat 🇺🇸 571 75 299ms 2 Mar 2026 504th dokutan 571 75 209ms 3 days ago 506th madex 🇩🇪 570 129 366ms 18 days ago 507th prestosilver 🇺🇸 568 105 381ms 13 days ago 508th flekAI 566 147 172ms 47 hours ago 509th Shanethegamer 🇺🇸 549 146 31ms 9 May 2025 510th dokutan 540 75 777ms 3 days ago 511th JDiLenarda 🇫🇷 539 131 1,330ms 20 days ago 512th Shanethegamer 🇺🇸 523 50 4,001ms 8 May 2025 513th Arkadios200 523 146 2,407ms 5 days ago 514th flekAI 522 128 686ms 47 hours ago 515th madex 🇩🇪 517 100 111ms 17 days ago 516th dokutan 515 191 293ms 3 days ago 517th AstroOrbis 512 126 32ms 12 Aug 2025 518th flekAI 506 80 886ms 47 hours ago 519th madex 🇩🇪 494 53 475ms 18 days ago 520th HumanoidCPU 488 120 401ms 15 days ago 521st flekAI 477 154 354ms 47 hours ago 522nd flekAI 475 142 186ms 47 hours ago 523rd flekAI 471 91 223ms 47 hours ago 524th madex 🇩🇪 471 170 33ms 17 days ago 525th flekAI 460 59 5ms 2 days ago 526th Shanethegamer 🇺🇸 460 85 6ms 13 Dec 2024 527th Shanethegamer 🇺🇸 452 107 8ms 9 May 2025 528th Msleizak 🇫🇷 429 84 302ms 15 days ago 529th flekAI 429 139 378ms 47 hours ago 530th madex 🇩🇪 420 78 91ms 17 days ago 531st kasarino 420 170 46ms 2 days ago 532nd dokutan 414 163 477ms 3 days ago 533rd flekAI 407 127 102ms 47 hours ago 534th flekAI 399 148 112ms 47 hours ago 535th flekAI 399 177 1,298ms 47 hours ago 536th dokutan 385 152 407ms 3 days ago 537th muser-logiccpu 🇺🇦 372 88 70ms 2 Sep 2025 538th flekAI 372 235 31ms 46 hours ago 539th flekAI 371 206 66ms 47 hours ago 540th flekAI 360 221 7ms 44 hours ago 541st flekAI 347 169 426ms 47 hours ago 542nd flekAI 341 275 45ms 44 hours ago 543rd flekAI 318 190 19ms 44 hours ago 544th flekAI 315 104 74ms 47 hours ago 545th flekAI 315 190 189ms 46 hours ago 546th flekAI 303 208 4ms 47 hours ago 547th Ripick 301 198 381ms 6 days ago 548th flekAI 300 120 459ms 47 hours ago 549th flekAI 274 208 5ms 46 hours ago 550th flekAI 273 212 500ms 47 hours ago 551st flekAI 270 97 148ms 47 hours ago 552nd flekAI 239 164 6ms 46 hours ago 553rd dokutan 225 253 5ms 3 days ago 554th flekAI 215 225 7ms 47 hours ago 555th flekAI 215 387 46ms 46 hours ago 556th dokutan 206 371 67ms 3 days ago 557th dokutan 170 371 4ms 3 days ago 558th dokutan 153 395 21ms 3 days ago 559th darrenks 🇺🇸 0 6 50ms 21 days ago 559th 2bular 0 6 45ms 21 days ago First Prev 481–560 of 582 Next Last