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 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 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 321st aksyristos 781 72 278ms 12 Mar 2026 321st blaztoma 🇱🇹 781 72 158ms 24 Mar 2026 321st Emutis 🇱🇹 781 72 130ms 24 Mar 2026 321st zacjl 781 72 137ms 26 Mar 2026 321st bizy-coder 781 72 129ms 21 days ago 326th albanian-laundromat 🇺🇸 781 75 455ms 6 Jan 2026 327th Alex-x90 🇺🇸 781 81 4ms 5 days ago 328th albanian-laundromat 🇺🇸 775 77 412ms 6 Dec 2025 329th emgordon154 773 113 96ms 22 days ago 330th CaedenHarper 🇨🇦 772 56 13ms 24 Mar 2026 330th MeWhenI 🇻🇦 772 56 12ms 26 Mar 2026 330th madex 🇩🇪 772 56 14ms 26 Mar 2026 330th edsrzf 🇳🇿 772 56 37ms 23 days ago 330th stefangimmillaro 772 56 13ms 20 days ago 335th CLOStrophobic 🇮🇹 772 108 47ms 17 Feb 2025 336th canissimia 🇦🇶 772 145 14ms 27 days ago 337th error256 771 67 119ms 30 Jan 2026 338th madex 🇩🇪 769 70 485ms 26 days ago 339th Shanethegamer 🇺🇸 767 42 41ms 13 Dec 2024 339th anter69 🇭🇺 767 42 195ms 4 Feb 2026 339th madex 🇩🇪 767 42 40ms 26 Mar 2026 339th GolfingSuccess 🇬🇷 767 42 189ms 23 days ago 343rd albanian-laundromat 🇺🇸 767 47 1,083ms 5 Jan 2026 344th scpchicken 🇵🇼 765 33 36ms 19 days ago 345th CaedenHarper 🇨🇦 765 96 379ms 24 Mar 2026 346th albanian-laundromat 🇺🇸 764 53 901ms 6 Dec 2025 347th lukegustafson 🇺🇸 760 74 194ms 9 Mar 2026 348th Steffan153 🇫🇮 760 114 54ms 23 days ago 349th DialFrost 🇸🇬 758 97 403ms 24 days ago 349th Jacob385 758 97 393ms 11 days ago 351st 4atj 755 36 228ms 21 May 2025 352nd Shanethegamer 🇺🇸 754 52 1,584ms 13 Dec 2024 353rd Shanethegamer 🇺🇸 753 67 408ms 7 May 2025 353rd CaedenHarper 🇨🇦 753 67 565ms 21 Mar 2026 353rd fuzzylojik-golf 🇺🇸 753 67 481ms 24 Mar 2026 353rd MeWhenI 🇻🇦 753 67 1,038ms 23 days ago 353rd duckyluuk 🇳🇱 753 67 482ms 9 days ago 358th Shanethegamer 🇺🇸 751 89 106ms 13 Dec 2024 359th Natanaelel 🇸🇪 750 75 20ms 11 May 2025 359th commandz0 🇺🇸 750 75 1,254ms 27 Aug 2025 359th GolfingSuccess 🇬🇷 750 75 18ms 11 Jan 2026 359th madex 🇩🇪 750 75 26ms 18 Mar 2026 359th CaedenHarper 🇨🇦 750 75 158ms 21 Mar 2026 359th edsrzf 🇳🇿 750 75 18ms 25 Mar 2026 359th zgialor-lab 750 75 24ms 25 Mar 2026 359th DialFrost 🇸🇬 750 75 28ms 25 days ago 359th sean-niemann 🇺🇸 750 75 181ms 25 days ago 359th stefangimmillaro 750 75 26ms 20 days ago 359th FortuiteMan 🇫🇷 750 75 23ms 15 days ago 359th jusaka 750 75 19ms 13 days ago 371st Lv0Sys 🇵🇱 749 43 41ms 26 Mar 2026 372nd albanian-laundromat 🇺🇸 748 108 31ms 5 Jan 2026 373rd Shanethegamer 🇺🇸 745 63 178ms 7 May 2025 374th GolfingSuccess 🇬🇷 745 112 44ms 24 Jan 2026 375th albanian-laundromat 🇺🇸 744 97 46ms 6 Dec 2025 376th Shanethegamer 🇺🇸 742 99 352ms 24 Sep 2025 377th AlephSquirrel 740 76 38ms 3 Dec 2025 377th MeWhenI 🇻🇦 740 76 605ms 16 Mar 2026 377th duckyluuk 🇳🇱 740 76 117ms 26 Mar 2026 380th Shanethegamer 🇺🇸 740 81 339ms 3 Jun 2025 381st h3ra993huskp 🇯🇵 735 100 392ms 26 days ago 381st kmathis22 735 100 403ms 24 days ago 383rd Natanaelel 🇸🇪 734 37 10ms 11 May 2025 384th dokutan 734 64 440ms 4 days ago 385th aksyristos 733 59 19ms 25 days ago 385th acollett89 733 59 15ms 25 days ago 387th Shanethegamer 🇺🇸 733 92 462ms 20 May 2025 388th Shanethegamer 🇺🇸 731 77 18ms 13 Dec 2024 388th addmai 731 77 20ms 24 Jul 2025 388th hiichbindermax 731 77 18ms 17 Aug 2025 388th 5cw 🇺🇸 731 77 20ms 22 Aug 2025 388th davecame 731 77 142ms 25 Sep 2025 388th SirBogman 🇺🇸 731 77 244ms 13 Oct 2025 388th jtaxen 731 77 27ms 16 Oct 2025 388th Matter1024 🇮🇳 731 77 19ms 12 Feb 2026 388th KasperKivimaeki 🇫🇮 731 77 589ms 16 Mar 2026 388th StefanHabel 🇨🇦 731 77 606ms 24 Mar 2026 388th ahmetdemirag 🇨🇾 731 77 18ms 24 Mar 2026 388th tomh1012 731 77 19ms 24 Mar 2026 388th qpwoeirut 731 77 19ms 25 Mar 2026 First Prev 321–400 of 630 Next Last