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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 601st HumanoidCPU 674 97 7ms 27 Mar 2026 602nd madex 🇩🇪 673 104 210ms 27 Mar 2026 603rd HumanoidCPU 672 101 389ms 25 Mar 2026 604th dokutan 670 135 293ms 10 days ago 605th Natanaelel 🇸🇪 669 130 360ms 2 May 2025 606th Shanethegamer 🇺🇸 667 98 7ms 6 May 2025 607th janAkali 🇷🇺 665 102 429ms 26 days ago 608th plcc0 654 26 6ms 26 Mar 2026 609th HumanoidCPU 645 108 13ms 27 Mar 2026 610th GolfingSuccess 🇬🇷 643 111 109ms 26 Mar 2026 611th BREMAUCY 🇫🇷 639 40 4ms 24 days ago 612th Shanethegamer 🇺🇸 639 136 315ms 26 Nov 2024 613th Natanaelel 🇸🇪 630 27 6ms 8 May 2025 614th madex 🇩🇪 621 118 16ms 28 Mar 2026 615th emgordon154 617 71 32ms 29 Mar 2026 616th Alex-x90 🇺🇸 611 114 4ms 14 days ago 617th Shanethegamer 🇺🇸 609 46 252ms 26 Nov 2024 618th ComradeSquirrel 606 115 14ms 5 days ago 619th HumanoidCPU 602 59 278ms 26 days ago 620th madex 🇩🇪 592 130 447ms 27 Mar 2026 621st snydej 590 99 45ms 22 Nov 2024 622nd prestosilver 🇺🇸 590 115 425ms 24 Mar 2026 623rd not-a-pokemon 586 119 15ms 25 Mar 2026 624th zgialor-lab 585 87 18ms 10 days ago 625th madex 🇩🇪 584 48 281ms 27 Mar 2026 626th albanian-laundromat 🇺🇸 583 150 28ms 22 Mar 2026 627th CaedenHarper 🇨🇦 578 129 462ms 21 Mar 2026 628th retrohun 573 62 5ms 20 days ago 629th dokutan 573 114 7ms 10 days ago 630th madex 🇩🇪 561 121 387ms 28 Mar 2026 631st JOrE20 550 159 69ms 14 Feb 2026 632nd madex 🇩🇪 547 182 7ms 28 Mar 2026 633rd snoozingnewt 🇨🇦 540 116 123ms 23 days ago 634th caleblin125 531 110 21ms 12 days ago 635th madex 🇩🇪 507 112 1,553ms 28 Mar 2026 636th emgordon154 503 150 15ms 9 May 2025 637th KrausRaus 🇺🇸 497 83 13ms 27 Mar 2026 638th FlorianCassayre 🇫🇷 495 118 20ms 14 days ago 639th albanian-laundromat 🇺🇸 492 57 276ms 23 Mar 2026 640th HumanoidCPU 475 59 294ms 27 days ago 641st dokutan 472 158 78ms 27 Mar 2026 642nd madex 🇩🇪 471 85 70ms 28 Mar 2026 643rd dokutan 469 121 1,611ms 7 days ago 644th CaedenHarper 🇨🇦 450 89 101ms 23 Mar 2026 645th kasarino 444 157 12ms 25 Mar 2026 646th madex 🇩🇪 443 204 32ms 28 Mar 2026 647th MeWhenI 🇻🇦 433 83 74ms 20 days ago 648th dokutan 423 84 5ms 8 days ago 649th RYSF13 🇨🇳 415 168 13ms 25 Jun 2025 650th emplv 🇱🇻 405 216 65ms 21 days ago 651st HumanoidCPU 372 200 422ms 27 Mar 2026 652nd Msleizak 🇫🇷 319 88 530ms 27 days ago 653rd kasarino 307 175 56ms 14 days ago 654th JOrE20 196 381 2,533ms 29 Dec 2025 655th CaedenHarper 🇨🇦 61 853 610ms 22 Mar 2026 656th namelessiw 0 6 160ms 13 Oct 2025 656th Shanethegamer 🇺🇸 0 6 193ms 20 Oct 2025 656th GolfingSuccess 🇬🇷 0 6 156ms 13 Dec 2025 659th Natanaelel 🇸🇪 0 7 56ms 2 May 2025 659th 2bular 0 7 58ms 2 May 2025 659th kg583 🇺🇸 0 7 275ms 8 May 2025 659th GolfingSuccess 🇬🇷 0 7 281ms 14 May 2025 659th Shanethegamer 🇺🇸 0 7 56ms 30 May 2025 659th JOrE20 0 7 261ms 27 Feb 2026 659th darrenks 🇺🇸 0 7 59ms 24 Mar 2026 659th plcc0 0 7 56ms 26 Mar 2026 659th someCoder-a11y 0 7 163ms 10 days ago 668th ovs-code 🇩🇪 0 8 54ms 12 Oct 2025 669th GolfingSuccess 🇬🇷 0 13 140ms 8 May 2025 669th Shanethegamer 🇺🇸 0 13 154ms 30 May 2025 671st themoonisacheese 0 18 1,339ms 27 days ago 672nd GolfingSuccess 🇬🇷 0 41 16ms 8 Aug 2025 673rd Shanethegamer 🇺🇸 0 42 10ms 7 Feb 2026 674th KatieLG 🇬🇧 0 50 17ms 27 Mar 2026 675th Shanethegamer 🇺🇸 0 56 66ms 30 Apr 2025 675th GolfingSuccess 🇬🇷 0 56 70ms 8 May 2025 675th sean-niemann 🇺🇸 0 56 67ms 8 May 2025 678th Matter1024 🇮🇳 0 57 68ms 13 Feb 2026 679th dokutan 0 58 67ms 8 days ago 680th GolfingSuccess 🇬🇷 0 59 72ms 8 May 2025 681st madex 🇩🇪 0 62 1,827ms 27 Mar 2026 682nd GolfingSuccess 🇬🇷 0 67 12ms 8 May 2025 683rd dokutan 0 72 76ms 8 Feb 2026 684th GolfingSuccess 🇬🇷 0 73 8ms 25 Mar 2026 685th fuzzylojik-golf 🇺🇸 0 76 7ms 30 Mar 2026 686th ovs-code 🇩🇪 0 77 78ms 30 May 2025 687th GolfingSuccess 🇬🇷 0 79 79ms 14 May 2025 688th GolfingSuccess 🇬🇷 0 81 16ms 14 days ago 689th edsrzf 🇳🇿 0 94 187ms 17 May 2025 690th GolfingSuccess 🇬🇷 0 96 182ms 7 May 2025 691st Matter1024 🇮🇳 0 99 11ms 15 days ago 692nd GolfingSuccess 🇬🇷 0 117 8ms 25 Dec 2025 693rd dokutan 0 123 14ms 7 days ago 694th FortuiteMan 🇫🇷 0 134 268ms 38 hours ago 695th GolfingSuccess 🇬🇷 0 138 271ms 8 May 2025 First Prev 601–695 of 695