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 Yax42 🇫🇷 635 68 13ms 21 days ago 482nd madex 🇩🇪 631 87 14ms 19 days ago 483rd Shanethegamer 🇺🇸 630 68 254ms 13 Dec 2024 484th GolfingSuccess 🇬🇷 626 137 91ms 20 days ago 485th HumanoidCPU 625 133 162ms 21 days ago 486th Shanethegamer 🇺🇸 623 94 371ms 13 Dec 2024 487th Shanethegamer 🇺🇸 622 96 427ms 3 Jun 2025 488th IISResetMe 621 58 308ms 19 days ago 489th Shanethegamer 🇺🇸 619 114 1,281ms 9 May 2025 490th UnderKoen 🇳🇱 617 139 1,195ms 21 days ago 491st brian124634 613 103 4ms 13 days ago 492nd madex 🇩🇪 611 99 19ms 17 days ago 493rd kasarino 607 104 3ms 20 days ago 494th flekAI 607 162 312ms 2 days ago 495th scpchicken 🇵🇼 604 45 6ms 39 hours ago 496th tomh1012 604 97 378ms 22 days ago 497th albanian-laundromat 🇺🇸 603 98 135ms 23 Feb 2026 498th janAkali 🇷🇺 603 99 401ms 14 days ago 499th michelebastione 🇮🇹 598 98 443ms 15 days ago 500th dokutan 597 54 39ms 4 days ago 501st flekAI 594 66 1,280ms 2 days ago 502nd madex 🇩🇪 593 119 1,267ms 17 days ago 503rd Shanethegamer 🇺🇸 593 121 166ms 13 Dec 2024 504th Solathian 591 46 77ms 20 days ago 505th flekAI 586 55 40ms 2 days ago 506th dcc5480 581 111 20ms 5 hours ago 507th albanian-laundromat 🇺🇸 571 75 299ms 2 Mar 2026 507th dokutan 571 75 209ms 4 days ago 509th madex 🇩🇪 570 129 366ms 19 days ago 510th prestosilver 🇺🇸 568 105 381ms 14 days ago 511th flekAI 566 147 172ms 2 days ago 512th Shanethegamer 🇺🇸 549 146 31ms 9 May 2025 513th dokutan 540 75 777ms 4 days ago 514th JDiLenarda 🇫🇷 539 131 1,330ms 21 days ago 515th Shanethegamer 🇺🇸 523 50 4,001ms 8 May 2025 516th Arkadios200 523 146 2,407ms 5 days ago 517th flekAI 522 128 686ms 2 days ago 518th madex 🇩🇪 517 100 111ms 17 days ago 519th dokutan 515 191 293ms 4 days ago 520th AstroOrbis 512 126 32ms 12 Aug 2025 521st flekAI 506 80 886ms 2 days ago 522nd madex 🇩🇪 494 53 475ms 19 days ago 523rd HumanoidCPU 488 120 401ms 16 days ago 524th flekAI 477 154 354ms 2 days ago 525th flekAI 475 142 186ms 2 days ago 526th flekAI 471 91 223ms 2 days ago 527th madex 🇩🇪 471 170 33ms 17 days ago 528th flekAI 460 59 5ms 2 days ago 529th Shanethegamer 🇺🇸 460 85 6ms 13 Dec 2024 530th Shanethegamer 🇺🇸 452 107 8ms 9 May 2025 531st Msleizak 🇫🇷 429 84 302ms 16 days ago 532nd flekAI 429 139 378ms 2 days ago 533rd madex 🇩🇪 420 78 91ms 17 days ago 534th kasarino 420 170 46ms 3 days ago 535th dokutan 414 163 477ms 4 days ago 536th flekAI 407 127 102ms 2 days ago 537th flekAI 399 148 112ms 2 days ago 538th flekAI 399 177 1,298ms 2 days ago 539th dokutan 385 152 407ms 4 days ago 540th muser-logiccpu 🇺🇦 372 88 70ms 2 Sep 2025 541st flekAI 372 235 31ms 2 days ago 542nd flekAI 371 206 66ms 2 days ago 543rd flekAI 360 221 7ms 2 days ago 544th flekAI 347 169 426ms 2 days ago 545th flekAI 341 275 45ms 2 days ago 546th flekAI 318 190 19ms 2 days ago 547th flekAI 315 104 74ms 2 days ago 548th flekAI 315 190 189ms 2 days ago 549th flekAI 303 208 4ms 2 days ago 550th Ripick 301 198 381ms 6 days ago 551st flekAI 300 120 459ms 2 days ago 552nd flekAI 274 208 5ms 2 days ago 553rd flekAI 273 212 500ms 2 days ago 554th flekAI 270 97 148ms 2 days ago 555th flekAI 239 164 6ms 2 days ago 556th dokutan 225 253 5ms 4 days ago 557th flekAI 215 225 7ms 2 days ago 558th flekAI 215 387 46ms 2 days ago 559th dokutan 206 371 67ms 4 days ago 560th dokutan 170 371 4ms 4 days ago First Prev 481–560 of 585 Next Last