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 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 561st jusaka 322 100 52ms 7 hours ago 562nd jusaka 321 260 167ms 5 hours ago 563rd flekAI 320 190 19ms 2 days ago 564th flekAI 317 190 189ms 2 days ago 565th flekAI 316 104 74ms 3 days ago 566th jusaka 313 176 8ms 4 hours ago 567th jusaka 309 139 239ms 4 hours ago 568th jusaka 304 198 187ms 3 hours ago 569th flekAI 304 208 4ms 3 days ago 570th Ripick 303 198 381ms 7 days ago 571st flekAI 300 120 459ms 3 days ago 572nd jusaka 299 270 28ms 4 hours ago 573rd jusaka 298 269 7ms 3 hours ago 574th jusaka 287 212 18ms 4 hours ago 575th jusaka 283 212 363ms 4 hours ago 576th jusaka 277 210 545ms 4 hours ago 577th jusaka 276 257 1,358ms 4 hours ago 578th flekAI 275 208 5ms 2 days ago 579th flekAI 275 212 500ms 3 days ago 580th flekAI 271 97 148ms 3 days ago 581st jusaka 269 328 30ms 2 hours ago 582nd jusaka 264 197 108ms 5 hours ago 583rd jusaka 264 318 47ms 2 hours ago 584th jusaka 259 167 12ms 7 hours ago 585th jusaka 256 159 1,773ms 4 hours ago 586th flekAI 239 164 6ms 2 days ago 587th dokutan 226 253 5ms 5 days ago 588th jusaka 220 348 1,340ms 5 hours ago 589th flekAI 217 387 46ms 2 days ago 590th flekAI 216 225 7ms 3 days ago 591st jusaka 210 320 6ms 22 mins ago 592nd jusaka 208 456 45ms 3 hours ago 593rd dokutan 207 371 67ms 5 days ago 594th jusaka 204 129 142ms 116 mins ago 595th jusaka 201 432 89ms 34 mins ago 596th jusaka 197 138 5ms 7 hours ago 597th jusaka 188 885 1,416ms 3 hours ago 598th jusaka 181 269 6ms 106 mins ago 599th jusaka 170 232 27ms 64 mins ago 600th dokutan 170 371 4ms 5 days ago 601st dokutan 154 395 21ms 5 days ago 602nd darrenks 🇺🇸 0 6 50ms 22 days ago 602nd 2bular 0 6 45ms 22 days ago 602nd Natanaelel 🇸🇪 0 6 48ms 22 days ago 602nd plcc0 0 6 48ms 21 days ago 606th kg583 🇺🇸 0 10 896ms 8 May 2025 607th namelessiw 0 14 335ms 25 Oct 2025 607th themoonisacheese 0 14 2,448ms 14 days ago 609th AlephSquirrel 0 31 8ms 3 Dec 2025 609th ovs-code 🇩🇪 0 31 9ms 3 Dec 2025 611th AlephSquirrel 0 42 5ms 3 Dec 2025 611th ovs-code 🇩🇪 0 42 6ms 7 Dec 2025 613th Shanethegamer 🇺🇸 0 52 168ms 7 Feb 2026 614th ovs-code 🇩🇪 0 53 123ms 30 May 2025 615th madex 🇩🇪 0 59 1,081ms 19 days ago 616th GolfingSuccess 🇬🇷 0 65 92ms 12 Jan 2026 617th Shanethegamer 🇺🇸 0 67 92ms 7 May 2025 618th GolfingSuccess 🇬🇷 0 71 23ms 12 Jan 2026 618th GolfingSuccess 🇬🇷 0 71 18ms 14 Jan 2026 620th KatieLG 🇬🇧 0 81 61ms 17 days ago 621st dokutan 0 85 68ms 5 days ago 622nd Matter1024 🇮🇳 0 101 60ms 3 days ago 623rd edsrzf 🇳🇿 0 108 1,839ms 21 May 2025 624th btjones0 0 126 168ms 21 days ago 625th edsrzf 🇳🇿 0 136 4,774ms 19 May 2025 626th jusaka 0 143 1,601ms 4 hours ago 627th jusaka 0 163 79ms 47 mins ago 628th jusaka 0 166 13ms 53 mins ago 629th jusaka 0 223 228ms 96 mins ago 630th jusaka 0 354 248ms 11 mins ago First Prev 561–630 of 630