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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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim 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 390th tomh1012 731 77 19ms 24 Mar 2026 390th qpwoeirut 731 77 19ms 25 Mar 2026 390th btjones0 731 77 18ms 25 Mar 2026 390th ComradeSquirrel 731 77 18ms 25 Mar 2026 390th bzijlema 🇳🇱 731 77 19ms 25 Mar 2026 390th Lv0Sys 🇵🇱 731 77 20ms 26 Mar 2026 390th LostSyntax21 🇬🇧 731 77 18ms 29 Mar 2026 390th scpchicken 🇵🇼 731 77 18ms 1 Apr 2026 390th Andrey2001 731 77 19ms 1 Apr 2026 390th guilhem-roy 🇫🇷 731 77 17ms 1 Apr 2026 390th jameswmccarty 731 77 19ms 27 days ago 390th mantaslu 🇱🇹 731 77 18ms 27 days ago 390th firegene 🇮🇪 731 77 18ms 26 days ago 390th Pyroan 731 77 19ms 23 days ago 390th retrohun 731 77 183ms 23 days ago 390th klixel 🇨🇦 731 77 19ms 21 days ago 390th FoxInTheClouds 731 77 19ms 15 days ago 390th jatloe 731 77 19ms 21 hours ago 419th dokutan 730 64 440ms 10 days ago 420th Shanethegamer 🇺🇸 730 92 462ms 20 May 2025 421st dokutan 726 101 405ms 19 days ago 422nd MeWhenI 🇻🇦 725 87 4ms 1 Apr 2026 423rd plcc0 722 18 9ms 29 Mar 2026 424th solisolu 721 78 41ms 10 Nov 2025 424th Alex-x90 🇺🇸 721 78 21ms 18 days ago 426th MeWhenI 🇻🇦 721 81 463ms 31 Mar 2026 427th madex 🇩🇪 717 50 1,078ms 27 Mar 2026 428th Matter1024 🇮🇳 717 83 163ms 25 days ago 429th Andriamanitra 🇫🇮 716 45 42ms 24 Mar 2026 430th edsrzf 🇳🇿 715 94 459ms 20 May 2025 431st BREMAUCY 🇫🇷 712 79 19ms 24 Mar 2026 431st mishak-sys 712 79 418ms 26 Mar 2026 431st KatieLG 🇬🇧 712 79 18ms 1 Apr 2026 431st ZakkkkAttackkkk 🇵🇭 712 79 45ms 23 days ago 431st lelbal 712 79 19ms 15 days ago 436th albanian-laundromat 🇺🇸 709 61 13ms 4 Mar 2026 436th gigaprofisi 🇺🇸 709 61 26ms 6 days ago 438th Shanethegamer 🇺🇸 708 80 5ms 3 Jun 2025 439th elgan65536 🇺🇸 708 117 163ms 29 Mar 2026 440th madex 🇩🇪 707 84 441ms 28 Mar 2026 441st madex 🇩🇪 707 94 109ms 28 Mar 2026 442nd emgordon154 706 231 1,276ms 28 Mar 2026 443rd Shanethegamer 🇺🇸 705 139 328ms 13 Dec 2024 444th Matter1024 🇮🇳 700 46 41ms 24 Mar 2026 445th aadenboy 🇺🇸 699 81 5ms 30 Mar 2026 446th Andrey-Plotnikov 698 62 61ms 12 Jan 2025 446th XenThe 🇬🇧 698 62 12ms 15 Jul 2025 446th JOrE20 698 62 26ms 27 Feb 2026 446th Protothor 698 62 12ms 27 Mar 2026 446th madeforlosers 698 62 26ms 1 Apr 2026 446th dokutan 698 62 29ms 19 days ago 446th scpchicken 🇵🇼 698 62 13ms 7 days ago 453rd Aquateraneal 🇺🇸 695 81 22ms 26 Mar 2026 453rd luuumine 🇫🇷 695 81 17ms 27 Mar 2026 455th CLOStrophobic 🇮🇹 695 104 23ms 18 Jan 2025 456th madex 🇩🇪 694 39 9ms 28 Mar 2026 457th albanian-laundromat 🇺🇸 690 95 114ms 6 Jan 2026 458th zakariamouhid 687 63 12ms 16 days ago 459th dokutan 686 57 1,232ms 19 days ago 460th bricknellj 686 82 18ms 30 Jan 2025 460th cros107 🇦🇺 686 82 1,060ms 21 days ago 460th celiendonze 🇨🇭 686 82 18ms 14 days ago 463rd scpchicken 🇵🇼 686 92 4ms 7 days ago 464th KatieLG 🇬🇧 685 47 46ms 1 Apr 2026 465th albanian-laundromat 🇺🇸 685 75 115ms 5 Jan 2026 466th albanian-laundromat 🇺🇸 684 19 4ms 13 Feb 2026 467th DialFrost 🇸🇬 679 48 54ms 16 Dec 2025 467th retrohun 679 48 2,663ms 23 days ago 469th msbranicky 678 83 18ms 27 Mar 2026 470th Arkadios200 678 98 116ms 20 days ago 471st Shanethegamer 🇺🇸 676 76 120ms 13 Dec 2024 472nd AlephSquirrel 675 107 23ms 14 May 2025 473rd Jonson26 673 109 386ms 20 days ago 474th madex 🇩🇪 672 75 465ms 27 Mar 2026 475th CaedenHarper 🇨🇦 672 87 463ms 24 Mar 2026 476th Shanethegamer 🇺🇸 668 124 151ms 3 Jun 2025 477th KatieLG 🇬🇧 665 65 13ms 1 Apr 2026 477th solisolu 665 65 12ms 4 days ago 479th madex 🇩🇪 665 101 141ms 28 Mar 2026 480th AlephSquirrel 663 76 427ms 3 Dec 2025 481st madex 🇩🇪 661 79 29ms 28 Mar 2026 482nd madex 🇩🇪 658 121 8ms 28 Mar 2026 483rd albanian-laundromat 🇺🇸 653 80 28ms 25 Mar 2026 484th Shanethegamer 🇺🇸 648 75 67ms 7 May 2025 485th caleblin125 647 87 19ms 15 days ago 486th Shanethegamer 🇺🇸 643 65 254ms 13 Dec 2024 487th Yax42 🇫🇷 636 68 13ms 24 Mar 2026 488th madex 🇩🇪 628 87 12ms 27 Mar 2026 489th GolfingSuccess 🇬🇷 626 137 91ms 26 Mar 2026 490th HumanoidCPU 623 133 169ms 25 Mar 2026 491st Shanethegamer 🇺🇸 622 94 427ms 13 Dec 2024 492nd Shanethegamer 🇺🇸 619 96 437ms 3 Jun 2025 493rd IISResetMe 618 58 294ms 27 Mar 2026 494th UnderKoen 🇳🇱 617 139 1,143ms 25 Mar 2026 495th KatieLG 🇬🇧 615 82 424ms 1 Apr 2026 496th Shanethegamer 🇺🇸 615 114 1,542ms 9 May 2025 497th brian124634 613 103 4ms 2 Apr 2026 498th retrohun 611 64 301ms 20 hours ago 499th madex 🇩🇪 608 99 18ms 28 Mar 2026 500th kasarino 607 104 3ms 25 Mar 2026 First Prev 401–500 of 572 Next Last