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 jusaka 635 116 413ms 30 hours ago 482nd madex 🇩🇪 633 87 12ms 20 days ago 483rd GolfingSuccess 🇬🇷 632 137 91ms 21 days ago 484th HumanoidCPU 627 133 162ms 22 days ago 485th IISResetMe 624 58 299ms 20 days ago 486th Shanethegamer 🇺🇸 624 94 394ms 13 Dec 2024 487th Shanethegamer 🇺🇸 624 96 427ms 3 Jun 2025 488th Shanethegamer 🇺🇸 623 114 1,432ms 9 May 2025 489th UnderKoen 🇳🇱 623 139 1,143ms 22 days ago 490th KatieLG 🇬🇧 617 82 424ms 15 days ago 491st madex 🇩🇪 614 99 19ms 19 days ago 492nd brian124634 614 103 4ms 14 days ago 493rd flekAI 609 162 312ms 4 days ago 494th albanian-laundromat 🇺🇸 608 98 135ms 23 Feb 2026 495th kasarino 608 104 3ms 22 days ago 496th scpchicken 🇵🇼 605 45 6ms 3 days ago 497th tomh1012 605 97 426ms 23 days ago 498th janAkali 🇷🇺 605 99 401ms 15 days ago 499th michelebastione 🇮🇹 599 98 441ms 17 days ago 500th dokutan 597 54 37ms 6 days ago 501st madex 🇩🇪 597 119 1,394ms 19 days ago 502nd Shanethegamer 🇺🇸 597 121 166ms 13 Dec 2024 503rd flekAI 596 66 1,280ms 4 days ago 504th Solathian 592 46 77ms 21 days ago 505th jusaka 592 256 178ms 6 hours ago 506th flekAI 586 55 40ms 4 days ago 507th dokutan 586 72 209ms 6 days ago 508th prestosilver 🇺🇸 571 105 381ms 15 days ago 509th madex 🇩🇪 571 129 366ms 20 days ago 510th Mikey-Beep 🇬🇧 568 99 25ms 8 days ago 511th flekAI 568 147 172ms 4 days ago 512th JOrE20 563 100 46ms 15 Dec 2025 512th tails618 563 100 22ms 3 days ago 514th albanian-laundromat 🇺🇸 562 75 268ms 2 Mar 2026 515th Shanethegamer 🇺🇸 553 146 31ms 9 May 2025 516th dokutan 542 75 777ms 6 days ago 517th JDiLenarda 🇫🇷 542 131 1,475ms 22 days ago 518th jusaka 536 111 106ms 28 hours ago 519th Shanethegamer 🇺🇸 525 50 4,001ms 8 May 2025 520th flekAI 525 128 686ms 4 days ago 521st Arkadios200 525 146 2,407ms 7 days ago 522nd madex 🇩🇪 519 100 111ms 19 days ago 523rd dokutan 517 191 293ms 6 days ago 524th flekAI 508 80 851ms 4 days ago 525th dcc5480 507 111 20ms 38 hours ago 526th madex 🇩🇪 495 53 475ms 20 days ago 527th HumanoidCPU 489 120 389ms 17 days ago 528th flekAI 478 154 354ms 4 days ago 529th flekAI 477 142 186ms 4 days ago 530th madex 🇩🇪 475 170 33ms 19 days ago 531st flekAI 474 89 223ms 4 days ago 532nd Shanethegamer 🇺🇸 463 85 6ms 13 Dec 2024 533rd flekAI 462 59 5ms 4 days ago 534th Shanethegamer 🇺🇸 454 107 8ms 9 May 2025 535th AstroOrbis 446 126 32ms 12 Aug 2025 536th jusaka 441 224 359ms 29 hours ago 537th jusaka 433 107 2,247ms 28 hours ago 538th Msleizak 🇫🇷 431 84 329ms 17 days ago 539th flekAI 431 139 378ms 4 days ago 540th kasarino 425 170 46ms 4 days ago 541st madex 🇩🇪 422 78 91ms 19 days ago 542nd jusaka 416 79 50ms 25 hours ago 543rd dokutan 415 163 470ms 6 days ago 544th flekAI 409 127 102ms 4 days ago 545th flekAI 402 148 110ms 4 days ago 546th flekAI 401 177 1,381ms 4 days ago 547th jusaka 389 151 407ms 28 hours ago 548th dokutan 386 152 431ms 6 days ago 549th jusaka 375 179 125ms 28 hours ago 550th flekAI 375 235 31ms 3 days ago 551st muser-logiccpu 🇺🇦 374 88 70ms 2 Sep 2025 552nd jusaka 372 170 4ms 29 hours ago 553rd flekAI 372 206 66ms 4 days ago 554th jusaka 367 197 148ms 25 hours ago 555th flekAI 362 221 7ms 3 days ago 556th jusaka 361 130 141ms 14 hours ago 557th jusaka 358 189 186ms 27 hours ago 558th jusaka 352 205 46ms 23 hours ago 559th flekAI 347 169 457ms 4 days ago 560th jusaka 346 165 140ms 24 hours ago First Prev 481–560 of 654 Next Last