The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 2 days. Why not try and solve them ahead of time?
Divisors 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 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 Gray Code Decoder Gray Code Encoder 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 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 Gray Code Decoder Gray Code Encoder 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 381st kavandoctor1 968 58 11ms 26 Nov 2021 381st goldstraw 968 58 11ms 8 Dec 2021 381st r-benson 🇬🇧 968 58 10ms 27 Jan 2023 381st NoahBolohan 🇨🇦 968 58 10ms 2 Feb 2023 381st GulgDev 968 58 11ms 22 Mar 2023 381st wen1now 968 58 18ms 6 Nov 2023 381st tesseract227 968 58 11ms 10 Dec 2023 381st bltnppcnt 968 58 10ms 8 Jan 2025 381st lelbal 968 58 10ms 11 Nov 2025 410th JayXon 🇺🇸 968 60 2ms 7 Feb 2021 410th HPWiz 🇳🇿 968 60 2ms 15 Apr 2021 410th Lydxn 🇨🇦 968 60 3ms 21 Sep 2021 410th saito-ta 🇯🇵 968 60 3ms 6 Oct 2022 410th JohandeRuiter 🇳🇱 968 60 3ms 18 Oct 2023 410th 09cf 968 60 3ms 22 Nov 2023 410th xsot 🇸🇬 968 60 3ms 12 May 2024 410th rhdqor213 968 60 3ms 15 Nov 2024 410th KasperKivimaeki 🇫🇮 968 60 2ms 27 Dec 2024 419th SirBogman 🇺🇸 967 44 33ms 26 Dec 2019 419th prplz 🇦🇺 967 44 35ms 3 Jan 2020 419th janlelis 967 44 34ms 5 Jan 2020 419th primo-ppcg 🇹🇭 967 44 34ms 5 Oct 2020 419th sisyphus-ppcg 🇦🇺 967 44 34ms 1 Nov 2020 419th rak1507 🇬🇧 967 44 35ms 31 Dec 2020 419th xsot 🇸🇬 967 44 35ms 1 Jan 2021 419th Lydxn 🇨🇦 967 44 36ms 7 Jan 2021 419th GrayJoKing 🇦🇺 967 44 36ms 16 Feb 2021 419th JayXon 🇺🇸 967 44 35ms 26 Feb 2021 419th Shanethegamer 🇺🇸 967 44 34ms 10 May 2021 419th gilufin 967 44 36ms 30 May 2021 419th ovs-code 🇩🇪 967 44 34ms 24 Jun 2021 419th jbbarth 🇫🇷 967 44 35ms 17 Aug 2021 419th mrondon8 967 44 41ms 5 Sep 2021 419th UladzimirSukharukau 967 44 33ms 12 Sep 2021 419th MeWhenI 🇻🇦 967 44 34ms 15 Sep 2021 419th nwellnhof 🇩🇪 967 44 37ms 30 Oct 2021 419th stefangimmillaro 967 44 33ms 1 Nov 2021 419th emgordon154 967 44 35ms 2 Dec 2021 419th radarek 🇵🇱 967 44 38ms 3 Feb 2022 419th o0lit3 🇺🇸 967 44 33ms 4 Feb 2022 419th akshatj27 🇦🇶 967 44 34ms 12 Feb 2022 419th sean-niemann 🇺🇸 967 44 36ms 5 Apr 2022 419th orthoplex 🇨🇽 967 44 35ms 6 Apr 2022 419th lynn 967 44 35ms 24 May 2022 419th clockworknazo 967 44 37ms 17 Sep 2022 419th Steffan153 🇫🇮 967 44 33ms 4 Oct 2022 419th tkr-sh 🇰🇵 967 44 35ms 6 Oct 2022 419th m-tkach 🇺🇦 967 44 34ms 12 Dec 2022 419th jared-hughes 967 44 35ms 20 Jan 2023 419th Haksell 🇦🇶 967 44 35ms 22 Feb 2023 419th canissimia 🇦🇶 967 44 35ms 1 Mar 2023 419th RuyiLi 967 44 36ms 6 Apr 2023 419th DialFrost 🇸🇬 967 44 35ms 1 Jun 2024 419th kroolp 🇵🇱 967 44 36ms 5 Jul 2024 419th pardouin 🇫🇷 967 44 34ms 15 Aug 2024 419th fuzzylojik-golf 🇺🇸 967 44 37ms 9 Jul 2025 419th jacekwladzinski 967 44 35ms 10 Nov 2025 419th snoozingnewt 🇨🇦 967 44 37ms 21 Nov 2025 419th TheZwierzLF 🇵🇱 967 44 35ms 27 Dec 2025 419th D-MOVE 🇵🇭 967 44 37ms 3 Feb 2026 419th Natanaelel 🇸🇪 967 44 34ms 9 Feb 2026 462nd GrayJoKing 🇦🇺 960 37 3ms 15 Apr 2021 462nd primo-ppcg 🇹🇭 960 37 3ms 15 Apr 2021 462nd kurkale6ka 960 37 3ms 29 Jul 2021 462nd Lydxn 🇨🇦 960 37 3ms 25 May 2022 462nd saito-ta 🇯🇵 960 37 3ms 26 May 2022 467th primo-ppcg 🇹🇭 960 49 5ms 10 Jun 2018 467th GrayJoKing 🇦🇺 960 49 5ms 17 Feb 2021 467th emplv 🇱🇻 960 49 5ms 6 May 2021 467th sisyphus-ppcg 🇦🇺 960 49 5ms 6 Oct 2023 467th xsot 🇸🇬 960 49 5ms 23 May 2025 467th targrik 960 49 5ms 9 Jun 2025 473rd GrayJoKing 🇦🇺 956 32 5ms 5 Jun 2021 474th antimon2 🇯🇵 955 39 477ms 28 Nov 2022 475th primo-ppcg 🇹🇭 955 71 426ms 21 Nov 2021 475th JayXon 🇺🇸 955 71 389ms 26 Dec 2021 475th nwellnhof 🇩🇪 955 71 396ms 4 Oct 2022 475th GrayJoKing 🇦🇺 955 71 389ms 21 Oct 2022 475th btnlq 955 71 389ms 2 Mar 2023 475th sean-niemann 🇺🇸 955 71 370ms 5 Mar 2023 First Prev 401–480 of 5,527 Next Last
