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 317th bizy-coder 781 72 129ms 14 days ago 322nd emgordon154 781 113 96ms 15 days ago 323rd dokutan 778 65 517ms 14 Feb 2026 324th albanian-laundromat 🇺🇸 778 77 412ms 6 Dec 2025 325th CLOStrophobic 🇮🇹 778 108 47ms 17 Feb 2025 326th error256 775 67 137ms 30 Jan 2026 327th madex 🇩🇪 773 70 485ms 19 days ago 328th canissimia 🇦🇶 772 145 14ms 20 days ago 329th CaedenHarper 🇨🇦 771 56 16ms 23 days ago 329th MeWhenI 🇻🇦 771 56 14ms 21 days ago 329th madex 🇩🇪 771 56 13ms 21 days ago 329th edsrzf 🇳🇿 771 56 36ms 15 days ago 329th stefangimmillaro 771 56 13ms 12 days ago 334th Alex-x90 🇺🇸 771 82 4ms 4 days ago 335th albanian-laundromat 🇺🇸 770 47 953ms 5 Jan 2026 336th Shanethegamer 🇺🇸 768 42 41ms 13 Dec 2024 336th anter69 🇭🇺 768 42 193ms 4 Feb 2026 336th madex 🇩🇪 768 42 40ms 21 days ago 336th GolfingSuccess 🇬🇷 768 42 192ms 15 days ago 340th albanian-laundromat 🇺🇸 767 53 901ms 6 Dec 2025 341st CaedenHarper 🇨🇦 767 96 379ms 23 days ago 342nd scpchicken 🇵🇼 765 33 36ms 11 days ago 343rd lukegustafson 🇺🇸 760 74 194ms 9 Mar 2026 344th Steffan153 🇫🇮 760 114 54ms 15 days ago 345th DialFrost 🇸🇬 759 97 403ms 17 days ago 345th Jacob385 759 97 393ms 3 days ago 347th 4atj 757 36 228ms 21 May 2025 348th Shanethegamer 🇺🇸 756 52 1,314ms 13 Dec 2024 349th Shanethegamer 🇺🇸 755 67 408ms 7 May 2025 349th CaedenHarper 🇨🇦 755 67 565ms 26 days ago 349th fuzzylojik-golf 🇺🇸 755 67 481ms 23 days ago 349th MeWhenI 🇻🇦 755 67 1,038ms 15 days ago 349th duckyluuk 🇳🇱 755 67 482ms 37 hours ago 354th Shanethegamer 🇺🇸 755 89 106ms 13 Dec 2024 355th Lv0Sys 🇵🇱 750 43 38ms 21 days ago 356th Natanaelel 🇸🇪 750 75 20ms 11 May 2025 356th commandz0 🇺🇸 750 75 1,254ms 27 Aug 2025 356th GolfingSuccess 🇬🇷 750 75 18ms 11 Jan 2026 356th madex 🇩🇪 750 75 26ms 18 Mar 2026 356th CaedenHarper 🇨🇦 750 75 158ms 26 days ago 356th edsrzf 🇳🇿 750 75 18ms 22 days ago 356th zgialor-lab 750 75 28ms 22 days ago 356th DialFrost 🇸🇬 750 75 28ms 18 days ago 356th sean-niemann 🇺🇸 750 75 181ms 17 days ago 356th stefangimmillaro 750 75 26ms 12 days ago 356th FortuiteMan 🇫🇷 750 75 23ms 8 days ago 356th jusaka 750 75 19ms 5 days ago 368th GolfingSuccess 🇬🇷 750 112 44ms 24 Jan 2026 369th albanian-laundromat 🇺🇸 748 108 31ms 5 Jan 2026 370th Shanethegamer 🇺🇸 745 63 180ms 7 May 2025 371st albanian-laundromat 🇺🇸 744 97 46ms 6 Dec 2025 372nd Shanethegamer 🇺🇸 744 99 352ms 24 Sep 2025 373rd Shanethegamer 🇺🇸 743 81 339ms 3 Jun 2025 374th AlephSquirrel 740 76 38ms 3 Dec 2025 374th MeWhenI 🇻🇦 740 76 605ms 16 Mar 2026 374th duckyluuk 🇳🇱 740 76 120ms 21 days ago 377th Natanaelel 🇸🇪 736 37 10ms 11 May 2025 378th Shanethegamer 🇺🇸 736 92 462ms 20 May 2025 379th h3ra993huskp 🇯🇵 736 100 392ms 18 days ago 379th kmathis22 736 100 403ms 17 days ago 381st aksyristos 732 59 14ms 17 days ago 381st acollett89 732 59 13ms 17 days ago 383rd Shanethegamer 🇺🇸 731 77 18ms 13 Dec 2024 383rd addmai 731 77 20ms 24 Jul 2025 383rd hiichbindermax 731 77 18ms 17 Aug 2025 383rd 5cw 🇺🇸 731 77 20ms 22 Aug 2025 383rd davecame 731 77 142ms 25 Sep 2025 383rd SirBogman 🇺🇸 731 77 244ms 13 Oct 2025 383rd jtaxen 731 77 27ms 16 Oct 2025 383rd Matter1024 🇮🇳 731 77 19ms 12 Feb 2026 383rd KasperKivimaeki 🇫🇮 731 77 589ms 16 Mar 2026 383rd StefanHabel 🇨🇦 731 77 606ms 23 days ago 383rd ahmetdemirag 🇨🇾 731 77 18ms 23 days ago 383rd tomh1012 731 77 19ms 23 days ago 383rd qpwoeirut 731 77 19ms 22 days ago 383rd btjones0 731 77 18ms 22 days ago 383rd ComradeSquirrel 731 77 18ms 22 days ago 383rd bzijlema 🇳🇱 731 77 19ms 22 days ago 383rd Lv0Sys 🇵🇱 731 77 20ms 21 days ago 383rd LostSyntax21 🇬🇧 731 77 18ms 18 days ago First Prev 321–400 of 654 Next Last