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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 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 Bytes Time Submitted 400th MeWhenI 🇻🇦 864 53 458ms 21 Nov 2025 400th albanian-laundromat 🇺🇸 864 53 514ms 15 Jan 2026 400th AlephSquirrel 864 53 511ms 22 Mar 2026 400th snoozingnewt 🇨🇦 864 53 456ms 23 days ago 400th duckyluuk 🇳🇱 864 53 418ms 12 days ago 406th rucin93 🇵🇱 864 66 7ms 8 May 2025 406th sean-niemann 🇺🇸 864 66 7ms 8 May 2025 406th edsrzf 🇳🇿 864 66 6ms 25 Mar 2026 406th Steffan153 🇫🇮 864 66 7ms 26 Mar 2026 406th GolfingSuccess 🇬🇷 864 66 7ms 26 days ago 406th JayXon 🇺🇸 864 66 7ms 16 days ago 412th Shanethegamer 🇺🇸 864 89 500ms 24 Sep 2025 412th DialFrost 🇸🇬 864 89 397ms 21 Nov 2025 412th Jacob385 864 89 401ms 6 days ago 415th lyphyser 863 43 61ms 26 Mar 2026 416th edsrzf 🇳🇿 863 85 18ms 9 May 2025 416th error256 863 85 19ms 10 May 2025 418th fantaize 862 83 166ms 10 Mar 2026 419th Steffan153 🇫🇮 862 88 336ms 26 days ago 419th edsrzf 🇳🇿 862 88 352ms 26 days ago 419th JayXon 🇺🇸 862 88 335ms 14 days ago 422nd Shanethegamer 🇺🇸 861 72 31ms 9 Dec 2024 423rd KasperKivimaeki 🇫🇮 861 81 4ms 27 Mar 2026 424th Shanethegamer 🇺🇸 860 66 1,500ms 26 Nov 2024 424th albanian-laundromat 🇺🇸 860 66 1,507ms 22 Mar 2026 424th edsrzf 🇳🇿 860 66 1,467ms 25 Mar 2026 424th JayXon 🇺🇸 860 66 1,519ms 20 days ago 424th fuzzylojik-golf 🇺🇸 860 66 1,605ms 16 days ago 429th Steffan153 🇫🇮 860 76 7ms 26 days ago 429th GolfingSuccess 🇬🇷 860 76 8ms 26 days ago 429th edsrzf 🇳🇿 860 76 7ms 26 days ago 432nd zakariamouhid 859 48 12ms 12 days ago 433rd ovs-code 🇩🇪 859 51 19ms 26 Mar 2026 433rd Steffan153 🇫🇮 859 51 17ms 26 Mar 2026 435th Shanethegamer 🇺🇸 858 62 2,331ms 8 May 2025 436th CaedenHarper 🇨🇦 858 69 565ms 22 Mar 2026 436th MeWhenI 🇻🇦 858 69 491ms 27 Mar 2026 438th rucin93 🇵🇱 856 77 119ms 8 May 2025 438th Shanethegamer 🇺🇸 856 77 145ms 12 Nov 2025 440th Yax42 🇫🇷 856 87 2,460ms 24 Mar 2026 441st sean-niemann 🇺🇸 854 63 43ms 8 May 2025 441st albanian-laundromat 🇺🇸 854 63 44ms 14 Jan 2026 443rd GolfingSuccess 🇬🇷 854 82 502ms 8 May 2025 443rd emgordon154 854 82 452ms 25 Mar 2026 445th h3ra993huskp 🇯🇵 854 90 477ms 29 Mar 2026 446th Shanethegamer 🇺🇸 853 46 8ms 30 Apr 2025 446th rucin93 🇵🇱 853 46 8ms 11 May 2025 446th emplv 🇱🇻 853 46 9ms 28 Mar 2026 449th GolfingSuccess 🇬🇷 853 86 20ms 26 Mar 2026 449th Steffan153 🇫🇮 853 86 21ms 26 Mar 2026 451st Shanethegamer 🇺🇸 852 89 341ms 6 May 2025 452nd ovs-code 🇩🇪 852 102 311ms 13 Dec 2025 452nd edsrzf 🇳🇿 852 102 336ms 26 Mar 2026 452nd Steffan153 🇫🇮 852 102 338ms 26 Mar 2026 452nd JayXon 🇺🇸 852 102 344ms 13 days ago 456th GolfingSuccess 🇬🇷 850 59 17ms 8 May 2025 456th IanUtley 850 59 18ms 8 May 2025 456th Steffan153 🇫🇮 850 59 19ms 26 days ago 459th DialFrost 🇸🇬 850 70 111ms 13 days ago 460th fuzzylojik-golf 🇺🇸 849 60 16ms 24 Mar 2026 461st ovs-code 🇩🇪 846 74 240ms 25 days ago 462nd kmathis22 845 91 415ms 27 days ago 463rd albanian-laundromat 🇺🇸 844 78 91ms 22 Mar 2026 464th Shanethegamer 🇺🇸 844 83 484ms 26 Nov 2024 465th GolfingSuccess 🇬🇷 844 103 318ms 14 Jan 2026 466th AdrienHache 🇫🇷 843 44 55ms 5 Feb 2026 467th Shanethegamer 🇺🇸 843 87 19ms 8 May 2025 468th JayXon 🇺🇸 843 118 10ms 13 days ago 469th Matter1024 🇮🇳 842 81 45ms 14 Feb 2026 469th albanian-laundromat 🇺🇸 842 81 45ms 21 Mar 2026 469th stefangimmillaro 842 81 44ms 26 Mar 2026 469th DialFrost 🇸🇬 842 81 48ms 13 days ago 469th duckyluuk 🇳🇱 842 81 42ms 5 days ago 474th emgordon154 842 90 332ms 16 days ago 475th dokutan 840 37 45ms 16 days ago 476th edsrzf 🇳🇿 840 85 42ms 8 May 2025 476th kg583 🇺🇸 840 85 43ms 23 days ago 478th edsrzf 🇳🇿 840 104 31ms 26 days ago 479th not-a-pokemon 838 74 15ms 25 Mar 2026 480th edsrzf 🇳🇿 838 90 16ms 2 days ago 481st MeWhenI 🇻🇦 836 62 94ms 26 Mar 2026 482nd namelessiw 836 92 491ms 10 Oct 2025 483rd michelebastione 🇮🇹 834 71 449ms 27 days ago 484th kg583 🇺🇸 833 88 25ms 12 Feb 2026 485th Shanethegamer 🇺🇸 831 86 155ms 17 Dec 2024 485th elgan65536 🇺🇸 831 86 160ms 1 Mar 2026 485th CaedenHarper 🇨🇦 831 86 161ms 23 Mar 2026 488th ovs-code 🇩🇪 830 84 12ms 10 May 2025 489th GolfingSuccess 🇬🇷 830 86 42ms 7 May 2025 489th roelderickx 830 86 1,523ms 26 days ago 491st snoozingnewt 🇨🇦 830 109 332ms 11 days ago 492nd Steffan153 🇫🇮 829 91 15ms 12 days ago 493rd albanian-laundromat 🇺🇸 827 55 39ms 22 Mar 2026 494th aksyristos 827 75 15ms 30 Mar 2026 495th GolfingSuccess 🇬🇷 827 124 57ms 33 hours ago 495th Steffan153 🇫🇮 827 124 56ms 32 hours ago 497th JRaspass 🇬🇧 825 31 4ms 23 days ago 498th fuzzylojik-golf 🇺🇸 824 34 284ms 29 Mar 2026 498th DialFrost 🇸🇬 824 34 238ms 23 days ago 500th dokutan 824 55 138ms 10 days ago First Prev 401–500 of 695 Next Last