Gray Code Decoder in all languages in chars. 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 Chars Time Submitted 561st flekAI 320 190 19ms 2 days ago 562nd flekAI 317 190 189ms 2 days ago 563rd flekAI 316 104 74ms 3 days ago 564th jusaka 313 176 8ms 4 hours ago 565th jusaka 308 137 239ms 4 hours ago 566th jusaka 304 198 187ms 3 hours ago 567th flekAI 304 208 4ms 3 days ago 568th Ripick 303 198 381ms 7 days ago 569th flekAI 300 120 459ms 3 days ago 570th jusaka 299 270 28ms 3 hours ago 571st jusaka 298 269 7ms 2 hours ago 572nd jusaka 287 212 18ms 3 hours ago 573rd jusaka 283 212 363ms 4 hours ago 574th jusaka 276 257 1,358ms 4 hours ago 575th flekAI 275 208 5ms 2 days ago 576th flekAI 271 97 148ms 3 days ago 577th jusaka 269 328 30ms 2 hours ago 578th jusaka 264 197 108ms 4 hours ago 579th jusaka 264 318 47ms 102 mins ago 580th jusaka 259 167 12ms 7 hours ago 581st jusaka 258 210 545ms 4 hours ago 582nd jusaka 256 159 1,773ms 3 hours ago 583rd flekAI 255 212 500ms 3 days ago 584th flekAI 239 164 6ms 2 days ago 585th dokutan 226 253 5ms 5 days ago 586th jusaka 220 348 1,340ms 5 hours ago 587th flekAI 217 387 46ms 2 days ago 588th flekAI 216 225 7ms 3 days ago 589th jusaka 208 456 45ms 2 hours ago 590th dokutan 207 371 67ms 5 days ago 591st jusaka 204 129 142ms 92 mins ago 592nd jusaka 201 432 89ms 10 mins ago 593rd jusaka 197 138 5ms 6 hours ago 594th jusaka 188 885 1,416ms 2 hours ago 595th jusaka 181 269 6ms 82 mins ago 596th jusaka 170 232 27ms 40 mins ago 597th dokutan 170 371 4ms 5 days ago 598th dokutan 154 395 21ms 5 days ago 599th darrenks 🇺🇸 0 6 50ms 22 days ago 599th 2bular 0 6 45ms 22 days ago 599th Natanaelel 🇸🇪 0 6 48ms 22 days ago 599th plcc0 0 6 48ms 21 days ago 603rd kg583 🇺🇸 0 9 921ms 14 May 2025 603rd themoonisacheese 0 9 2,448ms 14 days ago 605th namelessiw 0 13 335ms 25 Oct 2025 606th AlephSquirrel 0 20 8ms 3 Dec 2025 606th ovs-code 🇩🇪 0 20 9ms 3 Dec 2025 608th AlephSquirrel 0 27 5ms 3 Dec 2025 608th ovs-code 🇩🇪 0 27 6ms 7 Dec 2025 610th ovs-code 🇩🇪 0 29 123ms 3 Dec 2025 611th Shanethegamer 🇺🇸 0 32 35ms 19 May 2025 612th KatieLG 🇬🇧 0 43 61ms 17 days ago 613th madex 🇩🇪 0 59 1,081ms 19 days ago 614th GolfingSuccess 🇬🇷 0 65 92ms 12 Jan 2026 615th Shanethegamer 🇺🇸 0 67 92ms 7 May 2025 616th GolfingSuccess 🇬🇷 0 71 23ms 12 Jan 2026 616th GolfingSuccess 🇬🇷 0 71 18ms 14 Jan 2026 618th dokutan 0 74 81ms 8 Feb 2026 619th Matter1024 🇮🇳 0 101 60ms 3 days ago 620th edsrzf 🇳🇿 0 108 1,839ms 21 May 2025 621st btjones0 0 126 168ms 21 days ago 622nd edsrzf 🇳🇿 0 136 4,774ms 19 May 2025 623rd jusaka 0 143 1,601ms 4 hours ago 624th jusaka 0 163 79ms 23 mins ago 625th jusaka 0 166 13ms 29 mins ago 626th jusaka 0 223 228ms 72 mins ago First Prev 561–626 of 626