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 UnderKoen 🇳🇱 617 139 1,195ms 18 days ago 482nd brian124634 613 103 4ms 10 days ago 483rd madex 🇩🇪 611 99 19ms 15 days ago 484th kasarino 607 104 3ms 18 days ago 485th flekAI 607 162 333ms 5 hours ago 486th albanian-laundromat 🇺🇸 603 98 135ms 23 Feb 2026 487th janAkali 🇷🇺 603 99 401ms 11 days ago 488th tomh1012 602 97 378ms 19 days ago 489th dokutan 596 54 39ms 2 days ago 490th michelebastione 🇮🇹 596 98 443ms 13 days ago 491st flekAI 594 66 1,280ms 5 hours ago 492nd madex 🇩🇪 593 119 1,267ms 15 days ago 493rd Shanethegamer 🇺🇸 593 121 166ms 13 Dec 2024 494th Solathian 591 46 77ms 17 days ago 495th flekAI 585 55 43ms 10 hours ago 496th albanian-laundromat 🇺🇸 571 75 299ms 2 Mar 2026 496th dokutan 571 75 209ms 2 days ago 498th madex 🇩🇪 570 129 366ms 16 days ago 499th prestosilver 🇺🇸 568 105 381ms 11 days ago 500th scpchicken 🇵🇼 566 48 10ms 24 hours ago 501st flekAI 566 147 172ms 5 hours ago 502nd Shanethegamer 🇺🇸 549 146 31ms 9 May 2025 503rd dokutan 540 75 777ms 2 days ago 504th JDiLenarda 🇫🇷 539 131 1,330ms 18 days ago 505th Shanethegamer 🇺🇸 523 50 4,001ms 8 May 2025 506th Arkadios200 523 146 2,407ms 3 days ago 507th flekAI 522 128 686ms 5 hours ago 508th madex 🇩🇪 517 100 111ms 15 days ago 509th dokutan 515 191 293ms 2 days ago 510th AstroOrbis 511 126 32ms 12 Aug 2025 511th flekAI 506 80 886ms 5 hours ago 512th madex 🇩🇪 494 53 475ms 16 days ago 513th HumanoidCPU 487 120 401ms 13 days ago 514th flekAI 477 154 354ms 5 hours ago 515th flekAI 475 142 188ms 5 hours ago 516th flekAI 471 91 223ms 5 hours ago 517th madex 🇩🇪 471 170 33ms 15 days ago 518th flekAI 460 59 5ms 9 hours ago 519th Shanethegamer 🇺🇸 460 85 6ms 13 Dec 2024 520th Shanethegamer 🇺🇸 452 107 8ms 9 May 2025 521st Msleizak 🇫🇷 429 84 302ms 13 days ago 522nd flekAI 429 139 378ms 5 hours ago 523rd madex 🇩🇪 420 78 91ms 15 days ago 524th kasarino 420 170 48ms 15 hours ago 525th dokutan 414 163 477ms 2 days ago 526th flekAI 407 127 102ms 5 hours ago 527th flekAI 399 148 112ms 5 hours ago 528th flekAI 399 177 1,298ms 5 hours ago 529th dokutan 384 152 407ms 2 days ago 530th muser-logiccpu 🇺🇦 372 88 70ms 2 Sep 2025 531st flekAI 372 235 31ms 4 hours ago 532nd flekAI 371 206 66ms 5 hours ago 533rd flekAI 358 221 7ms 2 hours ago 534th flekAI 346 169 426ms 5 hours ago 535th flekAI 343 275 45ms 2 hours ago 536th flekAI 318 190 19ms 2 hours ago 537th flekAI 315 104 74ms 5 hours ago 538th flekAI 315 190 189ms 4 hours ago 539th flekAI 303 208 4ms 5 hours ago 540th Ripick 301 198 381ms 4 days ago 541st flekAI 300 120 459ms 5 hours ago 542nd flekAI 274 208 5ms 4 hours ago 543rd flekAI 273 212 500ms 5 hours ago 544th flekAI 270 97 148ms 5 hours ago 545th flekAI 239 164 6ms 4 hours ago 546th dokutan 225 253 5ms 2 days ago 547th flekAI 215 225 7ms 5 hours ago 548th flekAI 215 387 46ms 4 hours ago 549th dokutan 206 371 67ms 2 days ago 550th dokutan 170 371 4ms 2 days ago 551st dokutan 153 395 21ms 2 days ago 552nd darrenks 🇺🇸 0 6 50ms 19 days ago 552nd 2bular 0 6 45ms 19 days ago 552nd Natanaelel 🇸🇪 0 6 48ms 19 days ago 552nd plcc0 0 6 48ms 18 days ago 556th kg583 🇺🇸 0 10 896ms 8 May 2025 557th namelessiw 0 14 335ms 25 Oct 2025 557th themoonisacheese 0 14 2,448ms 11 days ago 559th AlephSquirrel 0 31 8ms 3 Dec 2025 559th ovs-code 🇩🇪 0 31 9ms 3 Dec 2025 First Prev 481–560 of 575 Next Last