Gray Code Decoder 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 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 Bytes Time Submitted 561st jusaka 276 210 501ms 7 days ago 562nd jusaka 275 257 1,853ms 7 days ago 563rd jusaka 271 278 19ms 7 days ago 564th jusaka 266 198 14ms 7 days ago 565th jusaka 266 328 30ms 7 days ago 566th jusaka 263 137 394ms 7 days ago 567th jusaka 262 197 121ms 7 days ago 568th jusaka 262 318 45ms 7 days ago 569th jusaka 259 167 13ms 8 days ago 570th jusaka 255 159 850ms 7 days ago 571st jusaka 249 310 286ms 7 days ago 572nd jusaka 228 258 8ms 7 days ago 573rd jusaka 226 155 65ms 7 days ago 574th dokutan 225 253 5ms 12 days ago 575th jusaka 220 946 21ms 7 days ago 576th jusaka 219 348 1,476ms 7 days ago 577th jusaka 210 320 6ms 7 days ago 578th dokutan 206 371 73ms 12 days ago 579th jusaka 206 456 45ms 7 days ago 580th jusaka 204 129 142ms 7 days ago 581st jusaka 201 432 89ms 7 days ago 582nd jusaka 197 138 5ms 8 days ago 583rd jusaka 193 374 21ms 7 days ago 584th jusaka 188 885 1,263ms 7 days ago 585th jusaka 182 139 41ms 7 days ago 586th jusaka 180 269 6ms 7 days ago 587th jusaka 175 281 66ms 7 days ago 588th jusaka 170 232 27ms 7 days ago 589th dokutan 170 371 4ms 12 days ago 590th dokutan 153 395 21ms 12 days ago 591st jusaka 142 638 130ms 7 days ago 592nd jusaka 3 89,003 624ms 7 days ago 593rd darrenks 🇺🇸 0 6 45ms 24 Mar 2026 593rd 2bular 0 6 45ms 24 Mar 2026 593rd Natanaelel 🇸🇪 0 6 46ms 24 Mar 2026 593rd plcc0 0 6 46ms 25 Mar 2026 597th kg583 🇺🇸 0 10 913ms 8 May 2025 598th namelessiw 0 11 344ms 7 days ago 599th someCoder-a11y 0 13 214ms 7 days ago 600th themoonisacheese 0 14 2,448ms 22 days ago 601st AlephSquirrel 0 31 8ms 3 Dec 2025 601st ovs-code 🇩🇪 0 31 9ms 3 Dec 2025 603rd AlephSquirrel 0 42 5ms 3 Dec 2025 603rd ovs-code 🇩🇪 0 42 6ms 7 Dec 2025 605th Shanethegamer 🇺🇸 0 52 179ms 7 Feb 2026 606th ovs-code 🇩🇪 0 53 123ms 30 May 2025 607th madex 🇩🇪 0 59 1,081ms 27 days ago 608th GolfingSuccess 🇬🇷 0 65 92ms 12 Jan 2026 609th Shanethegamer 🇺🇸 0 67 92ms 7 May 2025 610th GolfingSuccess 🇬🇷 0 71 26ms 12 Jan 2026 610th GolfingSuccess 🇬🇷 0 71 18ms 14 Jan 2026 612th KatieLG 🇬🇧 0 81 63ms 25 days ago 613th dokutan 0 85 68ms 12 days ago 614th Matter1024 🇮🇳 0 101 60ms 11 days ago 615th edsrzf 🇳🇿 0 108 1,839ms 21 May 2025 616th btjones0 0 126 168ms 25 Mar 2026 617th edsrzf 🇳🇿 0 136 4,774ms 19 May 2025 618th jusaka 0 143 1,145ms 7 days ago 619th dokutan 0 144 426ms 3 days ago 620th jusaka 0 163 79ms 7 days ago 621st jusaka 0 166 13ms 7 days ago 622nd jusaka 0 209 5ms 7 days ago 623rd jusaka 0 223 191ms 7 days ago 624th jusaka 0 247 63ms 7 days ago 625th dokutan 0 262 12ms 3 days ago 626th jusaka 0 280 11ms 7 days ago 627th jusaka 0 283 149ms 7 days ago 628th jusaka 0 354 248ms 7 days ago 629th jusaka 0 355 7ms 7 days ago 630th jusaka 0 476 75ms 7 days ago 631st jusaka 0 489 8ms 7 days ago First Prev 561–631 of 631