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 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 Chars Time Submitted 481st Shanethegamer 🇺🇸 622 96 427ms 3 Jun 2025 482nd IISResetMe 621 58 308ms 19 days ago 483rd Shanethegamer 🇺🇸 619 114 1,281ms 9 May 2025 484th UnderKoen 🇳🇱 617 139 1,195ms 20 days ago 485th KatieLG 🇬🇧 616 82 424ms 14 days ago 486th brian124634 613 103 4ms 13 days ago 487th madex 🇩🇪 611 99 19ms 17 days ago 488th kasarino 607 104 3ms 20 days ago 489th flekAI 607 162 312ms 2 days ago 490th scpchicken 🇵🇼 604 45 6ms 36 hours ago 491st tomh1012 604 97 378ms 22 days ago 492nd albanian-laundromat 🇺🇸 603 98 135ms 23 Feb 2026 493rd janAkali 🇷🇺 603 99 401ms 14 days ago 494th michelebastione 🇮🇹 598 98 443ms 15 days ago 495th dokutan 597 54 39ms 4 days ago 496th flekAI 594 66 1,280ms 2 days ago 497th madex 🇩🇪 593 119 1,267ms 17 days ago 498th Shanethegamer 🇺🇸 593 121 166ms 13 Dec 2024 499th Solathian 591 46 77ms 19 days ago 500th flekAI 586 55 40ms 2 days ago 501st dokutan 583 72 209ms 4 days ago 502nd madex 🇩🇪 570 129 366ms 19 days ago 503rd Mikey-Beep 🇬🇧 568 99 25ms 6 days ago 504th prestosilver 🇺🇸 568 105 381ms 13 days ago 505th flekAI 566 147 172ms 2 days ago 506th JOrE20 562 100 46ms 15 Dec 2025 506th tails618 562 100 22ms 2 days ago 508th albanian-laundromat 🇺🇸 560 75 299ms 2 Mar 2026 509th Shanethegamer 🇺🇸 549 146 31ms 9 May 2025 510th dokutan 540 75 777ms 4 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 2 days ago 515th madex 🇩🇪 517 100 111ms 17 days ago 516th dokutan 515 191 293ms 4 days ago 517th dcc5480 507 111 20ms 2 hours ago 518th flekAI 506 80 886ms 2 days ago 519th madex 🇩🇪 494 53 475ms 19 days ago 520th HumanoidCPU 488 120 401ms 16 days ago 521st flekAI 477 154 354ms 2 days ago 522nd flekAI 475 142 186ms 2 days ago 523rd flekAI 472 89 223ms 2 days 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 AstroOrbis 446 126 32ms 12 Aug 2025 529th Msleizak 🇫🇷 429 84 302ms 15 days ago 530th flekAI 429 139 378ms 2 days ago 531st madex 🇩🇪 420 78 91ms 17 days ago 532nd kasarino 420 170 46ms 2 days ago 533rd dokutan 414 163 477ms 4 days ago 534th flekAI 407 127 102ms 2 days ago 535th flekAI 399 148 112ms 2 days ago 536th flekAI 399 177 1,298ms 2 days ago 537th dokutan 385 152 407ms 4 days ago 538th muser-logiccpu 🇺🇦 372 88 70ms 2 Sep 2025 539th flekAI 372 235 31ms 2 days ago 540th flekAI 371 206 66ms 2 days ago 541st flekAI 360 221 7ms 2 days ago 542nd flekAI 347 169 426ms 2 days ago 543rd flekAI 341 275 45ms 2 days ago 544th flekAI 318 190 19ms 2 days ago 545th flekAI 315 104 74ms 2 days ago 546th flekAI 315 190 189ms 2 days ago 547th flekAI 303 208 4ms 2 days ago 548th Ripick 301 198 381ms 6 days ago 549th flekAI 300 120 459ms 2 days ago 550th flekAI 274 208 5ms 2 days ago 551st flekAI 270 97 148ms 2 days ago 552nd flekAI 254 212 500ms 2 days ago 553rd flekAI 239 164 6ms 2 days ago 554th dokutan 225 253 5ms 4 days ago 555th flekAI 215 225 7ms 2 days ago 556th flekAI 215 387 46ms 2 days ago 557th dokutan 206 371 67ms 4 days ago 558th dokutan 170 371 4ms 4 days ago 559th dokutan 153 395 21ms 4 days ago 560th darrenks 🇺🇸 0 6 50ms 21 days ago First Prev 481–560 of 583 Next Last