The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 6 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 388th jbbarth 🇫🇷 967 44 35ms 17 Aug 2021 388th mrondon8 967 44 41ms 5 Sep 2021 388th UladzimirSukharukau 967 44 33ms 12 Sep 2021 388th MeWhenI 🇻🇦 967 44 34ms 15 Sep 2021 388th nwellnhof 🇩🇪 967 44 37ms 30 Oct 2021 388th stefangimmillaro 967 44 33ms 1 Nov 2021 388th emgordon154 967 44 35ms 2 Dec 2021 388th radarek 🇵🇱 967 44 38ms 3 Feb 2022 388th o0lit3 🇺🇸 967 44 33ms 4 Feb 2022 388th akshatj27 🇦🇶 967 44 34ms 12 Feb 2022 388th sean-niemann 🇺🇸 967 44 36ms 5 Apr 2022 388th orthoplex 🇨🇽 967 44 35ms 6 Apr 2022 388th lynn 967 44 35ms 24 May 2022 388th clockworknazo 967 44 37ms 17 Sep 2022 388th Steffan153 🇫🇮 967 44 33ms 4 Oct 2022 388th tkr-sh 🇰🇵 967 44 35ms 6 Oct 2022 388th m-tkach 🇺🇦 967 44 34ms 12 Dec 2022 388th jared-hughes 967 44 35ms 20 Jan 2023 388th Haksell 🇦🇶 967 44 35ms 22 Feb 2023 388th canissimia 🇦🇶 967 44 35ms 1 Mar 2023 388th RuyiLi 967 44 36ms 6 Apr 2023 388th DialFrost 🇸🇬 967 44 35ms 1 Jun 2024 388th kroolp 🇵🇱 967 44 36ms 5 Jul 2024 388th pardouin 🇫🇷 967 44 34ms 15 Aug 2024 388th fuzzylojik-golf 🇺🇸 967 44 37ms 9 Jul 2025 388th jacekwladzinski 967 44 35ms 10 Nov 2025 388th snoozingnewt 🇨🇦 967 44 37ms 21 Nov 2025 388th TheZwierzLF 🇵🇱 967 44 35ms 27 Dec 2025 388th D-MOVE 🇵🇭 967 44 37ms 3 Feb 2026 388th Natanaelel 🇸🇪 967 44 34ms 9 Feb 2026 431st ProtD 967 58 11ms 27 Feb 2018 431st renaudll 967 58 11ms 1 Mar 2018 431st mueller14003 967 58 10ms 7 Apr 2018 431st alexcoda 967 58 11ms 30 Jun 2018 431st kajigga 967 58 11ms 10 Aug 2018 431st TMcBoyle 967 58 10ms 14 Sep 2018 431st toabi 967 58 11ms 21 Aug 2019 431st Edgex42 967 58 10ms 15 Feb 2020 431st DarkTemplar5 967 58 10ms 17 Feb 2020 431st doug-h 967 58 11ms 29 May 2020 431st jakingy 967 58 11ms 8 Jul 2020 431st hjcafaroUC 967 58 10ms 27 Jul 2020 431st Informagier 967 58 10ms 10 Sep 2020 431st garrisonhh 967 58 11ms 22 Nov 2020 431st geofft 967 58 10ms 10 Dec 2020 431st PYRiTEmonark 967 58 10ms 25 Mar 2021 431st Manby 967 58 10ms 7 Jul 2021 431st itsjustfreekie 967 58 10ms 19 Sep 2021 431st MatthiasDurivet 967 58 10ms 30 Sep 2021 431st tetraxile 967 58 11ms 17 Oct 2021 431st kavandoctor1 967 58 11ms 26 Nov 2021 431st goldstraw 967 58 11ms 8 Dec 2021 431st r-benson 🇬🇧 967 58 10ms 27 Jan 2023 431st NoahBolohan 🇨🇦 967 58 10ms 2 Feb 2023 431st GulgDev 967 58 11ms 22 Mar 2023 431st wen1now 967 58 18ms 6 Nov 2023 431st tesseract227 967 58 11ms 10 Dec 2023 431st bltnppcnt 967 58 10ms 8 Jan 2025 431st lelbal 967 58 10ms 11 Nov 2025 460th GrayJoKing 🇦🇺 960 37 3ms 15 Apr 2021 460th primo-ppcg 🇹🇭 960 37 3ms 15 Apr 2021 460th kurkale6ka 960 37 3ms 29 Jul 2021 460th Lydxn 🇨🇦 960 37 3ms 25 May 2022 460th saito-ta 🇯🇵 960 37 3ms 26 May 2022 465th primo-ppcg 🇹🇭 960 49 5ms 10 Jun 2018 465th GrayJoKing 🇦🇺 960 49 5ms 17 Feb 2021 465th emplv 🇱🇻 960 49 5ms 6 May 2021 465th sisyphus-ppcg 🇦🇺 960 49 5ms 6 Oct 2023 465th xsot 🇸🇬 960 49 5ms 23 May 2025 465th targrik 960 49 5ms 9 Jun 2025 471st GrayJoKing 🇦🇺 956 32 5ms 5 Jun 2021 472nd antimon2 🇯🇵 955 39 477ms 28 Nov 2022 473rd primo-ppcg 🇹🇭 955 71 426ms 21 Nov 2021 473rd JayXon 🇺🇸 955 71 389ms 26 Dec 2021 473rd nwellnhof 🇩🇪 955 71 396ms 4 Oct 2022 473rd GrayJoKing 🇦🇺 955 71 389ms 21 Oct 2022 473rd btnlq 955 71 389ms 2 Mar 2023 473rd sean-niemann 🇺🇸 955 71 370ms 5 Mar 2023 473rd Steffan153 🇫🇮 955 71 374ms 5 Mar 2023 473rd Yax42 🇫🇷 955 71 424ms 6 Oct 2025 First Prev 401–480 of 5,521 Next Last
