Gray Code Encoder in all languages in bytes. 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 Bytes Time Submitted 320th DialFrost 🇸🇬 859 89 367ms 21 Nov 2025 322nd rucin93 🇵🇱 858 66 7ms 8 May 2025 322nd sean-niemann 🇺🇸 858 66 7ms 8 May 2025 322nd edsrzf 🇳🇿 858 66 6ms 7 days ago 322nd Steffan153 🇫🇮 858 66 7ms 6 days ago 322nd GolfingSuccess 🇬🇷 858 66 7ms 15 hours ago 327th GolfingSuccess 🇬🇷 858 76 133ms 28 Nov 2025 327th edsrzf 🇳🇿 858 76 131ms 8 days ago 327th emgordon154 858 76 115ms 7 days ago 327th Steffan153 🇫🇮 858 76 125ms 26 hours ago 331st fuzzylojik-golf 🇺🇸 858 81 488ms 17 hours ago 332nd GolfingSuccess 🇬🇷 858 86 2,473ms 8 May 2025 332nd snyderek 🇺🇸 858 86 2,706ms 23 hours ago 334th KasperKivimaeki 🇫🇮 855 81 4ms 4 days ago 335th fantaize 854 83 153ms 22 days ago 336th CaedenHarper 🇨🇦 853 69 486ms 9 days ago 336th MeWhenI 🇻🇦 853 69 454ms 5 days ago 338th GolfingSuccess 🇬🇷 853 86 19ms 6 days ago 338th Steffan153 🇫🇮 853 86 19ms 6 days ago 340th Steffan153 🇫🇮 852 88 339ms 26 hours ago 340th edsrzf 🇳🇿 852 88 352ms 25 hours ago 342nd Shanethegamer 🇺🇸 851 66 1,317ms 26 Nov 2024 342nd albanian-laundromat 851 66 1,345ms 10 days ago 342nd edsrzf 🇳🇿 851 66 1,374ms 6 days ago 345th GolfingSuccess 🇬🇷 850 59 17ms 8 May 2025 345th IanUtley 850 59 18ms 8 May 2025 345th Steffan153 🇫🇮 850 59 19ms 25 hours ago 348th h3ra993huskp 🇯🇵 850 90 434ms 3 days ago 349th Shanethegamer 🇺🇸 849 62 2,495ms 8 May 2025 350th GolfingSuccess 🇬🇷 848 82 502ms 8 May 2025 350th emgordon154 848 82 452ms 7 days ago 352nd Yax42 🇫🇷 848 87 2,340ms 8 days ago 353rd Shanethegamer 🇺🇸 847 46 8ms 30 Apr 2025 353rd rucin93 🇵🇱 847 46 8ms 11 May 2025 353rd emplv 🇱🇻 847 46 9ms 4 days ago 356th ovs-code 🇩🇪 847 102 311ms 13 Dec 2025 356th edsrzf 🇳🇿 847 102 336ms 6 days ago 356th Steffan153 🇫🇮 847 102 338ms 6 days ago 359th sean-niemann 🇺🇸 846 63 43ms 8 May 2025 359th albanian-laundromat 846 63 44ms 14 Jan 2026 361st rucin93 🇵🇱 846 77 130ms 8 May 2025 361st Shanethegamer 🇺🇸 846 77 146ms 12 Nov 2025 363rd AdrienHache 🇫🇷 843 44 60ms 5 Feb 2026 364th Shanethegamer 🇺🇸 843 87 20ms 8 May 2025 365th Shanethegamer 🇺🇸 842 89 341ms 6 May 2025 366th edsrzf 🇳🇿 840 85 42ms 8 May 2025 367th kmathis22 840 91 424ms 46 hours ago 368th GolfingSuccess 🇬🇷 839 103 318ms 14 Jan 2026 369th fuzzylojik-golf 🇺🇸 838 60 16ms 8 days ago 370th not-a-pokemon 838 74 14ms 7 days ago 371st Shanethegamer 🇺🇸 837 83 484ms 26 Nov 2024 372nd MeWhenI 🇻🇦 836 62 86ms 6 days ago 373rd edsrzf 🇳🇿 836 94 21ms 7 days ago 373rd Steffan153 🇫🇮 836 94 13ms 25 hours ago 375th Matter1024 🇮🇳 833 81 45ms 14 Feb 2026 375th albanian-laundromat 833 81 45ms 10 days ago 375th stefangimmillaro 833 81 44ms 6 days ago 378th kg583 🇺🇸 833 88 23ms 12 Feb 2026 379th edsrzf 🇳🇿 833 104 31ms 20 hours ago 380th GolfingSuccess 🇬🇷 832 83 33ms 7 days ago 380th MeWhenI 🇻🇦 832 83 229ms 7 days ago 380th Steffan153 🇫🇮 832 83 185ms 2 hours ago 383rd namelessiw 831 92 504ms 10 Oct 2025 384th albanian-laundromat 830 78 89ms 10 days ago 385th kg583 🇺🇸 830 86 39ms 16 Feb 2025 385th GolfingSuccess 🇬🇷 830 86 42ms 7 May 2025 385th roelderickx 830 86 1,643ms 14 hours ago 388th michelebastione 🇮🇹 829 71 926ms 2 days ago 389th albanian-laundromat 827 55 39ms 10 days ago 390th aksyristos 827 75 14ms 2 days ago 391st GolfingSuccess 🇬🇷 826 48 5ms 5 days ago 392nd fuzzylojik-golf 🇺🇸 826 68 1,320ms 7 days ago 393rd albanian-laundromat 826 130 33ms 26 hours ago 393rd Steffan153 🇫🇮 826 130 5ms 25 hours ago 395th ovs-code 🇩🇪 825 84 12ms 10 May 2025 396th Shanethegamer 🇺🇸 824 86 158ms 17 Dec 2024 396th elgan65536 🇺🇸 824 86 164ms 1 Mar 2026 396th CaedenHarper 🇨🇦 824 86 154ms 9 days ago 399th fuzzylojik-golf 🇺🇸 823 34 286ms 2 days ago 400th Shanethegamer 🇺🇸 821 87 42ms 15 Apr 2025 First Prev 321–400 of 557 Next Last