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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 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 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 388th btjones0 731 77 18ms 25 Mar 2026 388th ComradeSquirrel 731 77 18ms 25 Mar 2026 388th bzijlema 🇳🇱 731 77 19ms 25 Mar 2026 388th Lv0Sys 🇵🇱 731 77 20ms 26 Mar 2026 388th LostSyntax21 🇬🇧 731 77 18ms 29 Mar 2026 388th scpchicken 🇵🇼 731 77 18ms 26 days ago 388th Andrey2001 731 77 19ms 26 days ago 388th guilhem-roy 🇫🇷 731 77 17ms 25 days ago 388th jameswmccarty 731 77 19ms 24 days ago 388th mantaslu 🇱🇹 731 77 18ms 24 days ago 388th firegene 🇮🇪 731 77 18ms 23 days ago 388th Pyroan 731 77 19ms 20 days ago 388th retrohun 731 77 183ms 20 days ago 388th klixel 🇨🇦 731 77 19ms 18 days ago 388th FoxInTheClouds 731 77 19ms 12 days ago 416th dokutan 730 64 440ms 7 days ago 417th Shanethegamer 🇺🇸 730 92 462ms 20 May 2025 418th dokutan 726 101 415ms 16 days ago 419th MeWhenI 🇻🇦 725 87 4ms 26 days ago 420th plcc0 722 18 9ms 29 Mar 2026 421st solisolu 721 78 41ms 10 Nov 2025 421st Alex-x90 🇺🇸 721 78 21ms 15 days ago 423rd MeWhenI 🇻🇦 721 81 463ms 27 days ago 424th madex 🇩🇪 717 50 1,078ms 27 Mar 2026 425th Matter1024 🇮🇳 717 83 163ms 22 days ago 426th Andriamanitra 🇫🇮 716 45 42ms 24 Mar 2026 427th edsrzf 🇳🇿 715 94 459ms 20 May 2025 428th BREMAUCY 🇫🇷 712 79 19ms 24 Mar 2026 428th mishak-sys 712 79 418ms 26 Mar 2026 428th KatieLG 🇬🇧 712 79 18ms 26 days ago 428th ZakkkkAttackkkk 🇵🇭 712 79 45ms 20 days ago 428th lelbal 712 79 19ms 12 days ago 433rd albanian-laundromat 🇺🇸 709 61 13ms 4 Mar 2026 433rd gigaprofisi 🇺🇸 709 61 26ms 3 days ago 435th Shanethegamer 🇺🇸 708 80 5ms 3 Jun 2025 436th elgan65536 🇺🇸 708 117 163ms 29 Mar 2026 437th madex 🇩🇪 707 84 441ms 28 Mar 2026 438th madex 🇩🇪 707 94 109ms 28 Mar 2026 439th emgordon154 706 231 1,284ms 28 Mar 2026 440th Shanethegamer 🇺🇸 705 139 328ms 13 Dec 2024 441st Matter1024 🇮🇳 700 46 41ms 24 Mar 2026 442nd aadenboy 🇺🇸 699 81 5ms 30 Mar 2026 443rd Andrey-Plotnikov 698 62 61ms 12 Jan 2025 443rd XenThe 🇬🇧 698 62 12ms 15 Jul 2025 443rd JOrE20 698 62 26ms 27 Feb 2026 443rd Protothor 698 62 12ms 27 Mar 2026 443rd madeforlosers 698 62 26ms 25 days ago 443rd dokutan 698 62 29ms 16 days ago 443rd scpchicken 🇵🇼 698 62 13ms 4 days ago 450th madex 🇩🇪 694 39 9ms 28 Mar 2026 451st Aquateraneal 🇺🇸 694 81 22ms 26 Mar 2026 451st luuumine 🇫🇷 694 81 17ms 27 Mar 2026 453rd albanian-laundromat 🇺🇸 690 95 114ms 6 Jan 2026 454th CLOStrophobic 🇮🇹 690 104 23ms 18 Jan 2025 455th zakariamouhid 687 63 12ms 13 days ago 456th dokutan 686 57 1,372ms 16 days ago 457th bricknellj 686 82 18ms 30 Jan 2025 457th cros107 🇦🇺 686 82 1,060ms 18 days ago 457th celiendonze 🇨🇭 686 82 18ms 11 days ago 460th scpchicken 🇵🇼 686 92 4ms 4 days ago 461st KatieLG 🇬🇧 685 47 46ms 26 days ago 462nd albanian-laundromat 🇺🇸 685 75 115ms 5 Jan 2026 463rd albanian-laundromat 🇺🇸 684 19 4ms 13 Feb 2026 464th DialFrost 🇸🇬 679 48 54ms 16 Dec 2025 464th retrohun 679 48 2,663ms 20 days ago 466th msbranicky 678 83 18ms 27 Mar 2026 467th Arkadios200 678 98 116ms 17 days ago 468th Shanethegamer 🇺🇸 676 76 120ms 13 Dec 2024 469th Jonson26 673 109 386ms 17 days ago 470th madex 🇩🇪 672 75 465ms 27 Mar 2026 471st CaedenHarper 🇨🇦 672 87 463ms 24 Mar 2026 472nd AlephSquirrel 671 107 23ms 14 May 2025 473rd Shanethegamer 🇺🇸 668 124 151ms 3 Jun 2025 474th KatieLG 🇬🇧 665 65 13ms 26 days ago 474th solisolu 665 65 12ms 30 hours ago 476th madex 🇩🇪 665 101 141ms 28 Mar 2026 477th AlephSquirrel 663 76 427ms 3 Dec 2025 478th madex 🇩🇪 661 79 29ms 28 Mar 2026 479th madex 🇩🇪 658 121 8ms 28 Mar 2026 480th albanian-laundromat 🇺🇸 653 80 28ms 25 Mar 2026 481st Shanethegamer 🇺🇸 648 75 67ms 7 May 2025 482nd caleblin125 647 87 19ms 12 days ago 483rd Shanethegamer 🇺🇸 643 65 254ms 13 Dec 2024 484th Yax42 🇫🇷 636 68 13ms 24 Mar 2026 485th madex 🇩🇪 628 87 12ms 27 Mar 2026 486th GolfingSuccess 🇬🇷 626 137 91ms 26 Mar 2026 487th HumanoidCPU 623 133 169ms 25 Mar 2026 488th Shanethegamer 🇺🇸 622 94 427ms 13 Dec 2024 489th Shanethegamer 🇺🇸 619 96 437ms 3 Jun 2025 490th IISResetMe 618 58 294ms 27 Mar 2026 491st UnderKoen 🇳🇱 617 139 1,143ms 25 Mar 2026 492nd KatieLG 🇬🇧 615 82 424ms 26 days ago 493rd Shanethegamer 🇺🇸 615 114 1,542ms 9 May 2025 494th brian124634 613 103 4ms 25 days ago 495th madex 🇩🇪 608 99 18ms 28 Mar 2026 496th kasarino 607 104 3ms 25 Mar 2026 497th duckyluuk 🇳🇱 606 69 119ms 5 days ago 498th scpchicken 🇵🇼 602 45 6ms 13 days ago 499th tomh1012 602 97 474ms 24 Mar 2026 500th janAkali 🇷🇺 600 99 434ms 26 days ago First Prev 401–500 of 567 Next Last