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) Taxicab Numbers 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 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) Taxicab Numbers 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 Turtle Tutorial # Golfer Points Bytes Time Submitted 401st DialFrost 🇸🇬 866 76 107ms 17 days ago 402nd snoozingnewt 🇨🇦 864 36 40ms 15 days ago 403rd dokutan 864 53 431ms 15 Aug 2025 403rd MeWhenI 🇻🇦 864 53 458ms 21 Nov 2025 403rd albanian-laundromat 🇺🇸 864 53 514ms 15 Jan 2026 403rd AlephSquirrel 864 53 511ms 22 Mar 2026 403rd snoozingnewt 🇨🇦 864 53 456ms 27 days ago 403rd duckyluuk 🇳🇱 864 53 418ms 15 days ago 409th rucin93 🇵🇱 864 66 6ms 8 May 2025 409th sean-niemann 🇺🇸 864 66 6ms 8 May 2025 409th edsrzf 🇳🇿 864 66 7ms 25 Mar 2026 409th Steffan153 🇫🇮 864 66 6ms 26 Mar 2026 409th GolfingSuccess 🇬🇷 864 66 6ms 1 Apr 2026 409th JayXon 🇺🇸 864 66 7ms 19 days ago 415th Shanethegamer 🇺🇸 864 72 31ms 9 Dec 2024 416th Shanethegamer 🇺🇸 864 89 500ms 24 Sep 2025 416th DialFrost 🇸🇬 864 89 397ms 21 Nov 2025 416th Jacob385 864 89 401ms 10 days ago 419th lyphyser 863 43 61ms 26 Mar 2026 420th edsrzf 🇳🇿 863 85 18ms 9 May 2025 420th error256 863 85 19ms 10 May 2025 422nd Yax42 🇫🇷 863 87 2,460ms 24 Mar 2026 423rd KasperKivimaeki 🇫🇮 862 81 4ms 27 Mar 2026 424th fantaize 862 83 166ms 10 Mar 2026 425th Steffan153 🇫🇮 862 88 336ms 31 Mar 2026 425th edsrzf 🇳🇿 862 88 352ms 31 Mar 2026 425th JayXon 🇺🇸 862 88 335ms 17 days ago 428th Shanethegamer 🇺🇸 860 66 1,500ms 26 Nov 2024 428th albanian-laundromat 🇺🇸 860 66 1,507ms 22 Mar 2026 428th edsrzf 🇳🇿 860 66 1,467ms 25 Mar 2026 428th JayXon 🇺🇸 860 66 1,519ms 23 days ago 428th fuzzylojik-golf 🇺🇸 860 66 1,605ms 19 days ago 433rd Steffan153 🇫🇮 860 76 7ms 1 Apr 2026 433rd GolfingSuccess 🇬🇷 860 76 8ms 1 Apr 2026 433rd edsrzf 🇳🇿 860 76 7ms 1 Apr 2026 436th zakariamouhid 859 48 13ms 16 days ago 437th ovs-code 🇩🇪 859 51 19ms 26 Mar 2026 437th Steffan153 🇫🇮 859 51 17ms 26 Mar 2026 439th Shanethegamer 🇺🇸 858 62 2,331ms 8 May 2025 440th CaedenHarper 🇨🇦 858 69 565ms 22 Mar 2026 440th MeWhenI 🇻🇦 858 69 491ms 27 Mar 2026 442nd GolfingSuccess 🇬🇷 857 82 502ms 8 May 2025 442nd emgordon154 857 82 452ms 25 Mar 2026 444th rucin93 🇵🇱 856 77 119ms 8 May 2025 444th Shanethegamer 🇺🇸 856 77 145ms 12 Nov 2025 446th sean-niemann 🇺🇸 854 63 43ms 8 May 2025 446th albanian-laundromat 🇺🇸 854 63 44ms 14 Jan 2026 448th h3ra993huskp 🇯🇵 854 90 477ms 29 Mar 2026 449th Shanethegamer 🇺🇸 853 46 8ms 30 Apr 2025 449th rucin93 🇵🇱 853 46 8ms 11 May 2025 449th emplv 🇱🇻 853 46 9ms 28 Mar 2026 452nd GolfingSuccess 🇬🇷 853 86 20ms 26 Mar 2026 452nd Steffan153 🇫🇮 853 86 21ms 26 Mar 2026 454th Shanethegamer 🇺🇸 852 89 341ms 6 May 2025 455th ovs-code 🇩🇪 852 102 311ms 13 Dec 2025 455th edsrzf 🇳🇿 852 102 336ms 26 Mar 2026 455th Steffan153 🇫🇮 852 102 338ms 26 Mar 2026 455th JayXon 🇺🇸 852 102 344ms 16 days ago 459th GolfingSuccess 🇬🇷 850 59 17ms 8 May 2025 459th IanUtley 850 59 18ms 8 May 2025 459th Steffan153 🇫🇮 850 59 19ms 31 Mar 2026 462nd DialFrost 🇸🇬 850 70 111ms 17 days ago 463rd fuzzylojik-golf 🇺🇸 849 60 16ms 24 Mar 2026 464th ovs-code 🇩🇪 846 74 240ms 1 Apr 2026 465th Shanethegamer 🇺🇸 846 83 484ms 26 Nov 2024 466th kmathis22 845 91 415ms 30 Mar 2026 467th albanian-laundromat 🇺🇸 844 78 91ms 22 Mar 2026 468th GolfingSuccess 🇬🇷 844 103 318ms 14 Jan 2026 469th codereport 🇨🇦 843 33 39ms 2 days ago 470th AdrienHache 🇫🇷 843 44 55ms 5 Feb 2026 471st Shanethegamer 🇺🇸 843 87 19ms 8 May 2025 472nd JayXon 🇺🇸 843 118 10ms 16 days ago 473rd Matter1024 🇮🇳 842 81 47ms 14 Feb 2026 473rd albanian-laundromat 🇺🇸 842 81 47ms 21 Mar 2026 473rd stefangimmillaro 842 81 47ms 26 Mar 2026 473rd DialFrost 🇸🇬 842 81 57ms 17 days ago 473rd duckyluuk 🇳🇱 842 81 42ms 9 days ago 478th emgordon154 842 90 332ms 20 days ago 479th not-a-pokemon 841 74 15ms 25 Mar 2026 480th dokutan 840 37 45ms 20 days ago 481st edsrzf 🇳🇿 840 85 42ms 8 May 2025 481st kg583 🇺🇸 840 85 43ms 27 days ago 483rd edsrzf 🇳🇿 840 104 31ms 1 Apr 2026 484th edsrzf 🇳🇿 838 90 16ms 5 days ago 485th MeWhenI 🇻🇦 836 62 94ms 26 Mar 2026 486th Matter1024 🇮🇳 836 84 523ms 6 hours ago 487th namelessiw 836 92 491ms 10 Oct 2025 488th michelebastione 🇮🇹 834 71 449ms 30 Mar 2026 489th kg583 🇺🇸 833 88 25ms 12 Feb 2026 490th ovs-code 🇩🇪 831 84 12ms 10 May 2025 491st Shanethegamer 🇺🇸 831 86 155ms 17 Dec 2024 491st elgan65536 🇺🇸 831 86 160ms 1 Mar 2026 491st CaedenHarper 🇨🇦 831 86 161ms 23 Mar 2026 494th aksyristos 830 75 15ms 30 Mar 2026 495th GolfingSuccess 🇬🇷 830 86 42ms 7 May 2025 495th roelderickx 830 86 1,523ms 1 Apr 2026 497th snoozingnewt 🇨🇦 830 109 332ms 15 days ago 498th Steffan153 🇫🇮 829 91 15ms 16 days ago 499th albanian-laundromat 🇺🇸 827 55 39ms 22 Mar 2026 500th HumanoidCPU 827 85 419ms 27 Mar 2026 First Prev 401–500 of 704 Next Last