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 Python 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 633rd Anders429 891 64 13ms 8 Oct 2019 633rd sjao14 891 64 10ms 4 Nov 2019 633rd toombs-caeman 891 64 11ms 8 Mar 2020 633rd mortimervonchappuis 891 64 10ms 16 Mar 2020 633rd vonKrafft 891 64 12ms 25 Mar 2020 633rd jimbarrett27 891 64 10ms 13 May 2020 633rd drbalan 891 64 10ms 20 Jul 2020 633rd Psirving 891 64 10ms 21 Jul 2020 633rd QuinnQR 891 64 11ms 18 Aug 2020 633rd mamsterla 891 64 10ms 19 Aug 2020 633rd PatrickStephansen 🇿🇦 891 64 11ms 31 Aug 2020 633rd ihalseide 🇺🇸 891 64 10ms 28 Oct 2020 633rd Miles-1000 🇬🇧 891 64 10ms 28 Feb 2021 633rd NanduBC 891 64 10ms 17 Mar 2021 633rd jhunterkohler 891 64 11ms 20 May 2021 633rd oplxy 891 64 10ms 20 Jun 2021 633rd iammanish17 891 64 11ms 29 Jun 2021 633rd sambirnbaum1 891 64 15ms 23 Aug 2021 633rd feherd 891 64 10ms 29 Aug 2021 633rd Jaydosu 891 64 10ms 21 Oct 2021 633rd RagePit 891 64 11ms 2 Dec 2021 633rd jacksonhenry3 891 64 11ms 23 Dec 2021 633rd pascscha 891 64 13ms 28 Mar 2022 633rd trag1c 🇵🇱 891 64 10ms 12 Apr 2022 633rd Romain-1 🇫🇷 891 64 11ms 28 Apr 2022 633rd cooljoseph1 891 64 14ms 7 May 2022 633rd karhuthebear 891 64 10ms 10 May 2022 633rd tterem 891 64 13ms 8 Jun 2022 633rd Qu1etboy 891 64 11ms 23 Jun 2022 633rd AbelPelser 891 64 11ms 3 Jul 2022 633rd P-Quentin 🇫🇷 891 64 11ms 3 Aug 2022 633rd smartiel 891 64 15ms 13 Sep 2022 633rd LukasFolwarczny 🇨🇿 891 64 14ms 16 Sep 2022 633rd ImpressedByRocks 891 64 10ms 16 Sep 2022 633rd ls-samer-abuthaher 891 64 12ms 7 Oct 2022 633rd AZ9tumas 891 64 11ms 11 Oct 2022 633rd nkoppel 891 64 10ms 20 Oct 2022 633rd aeonsablaze 891 64 10ms 22 Nov 2022 633rd UltimateGuy0987 891 64 11ms 18 Dec 2022 633rd Alfiecxn 🇬🇧 891 64 10ms 18 Dec 2022 633rd vrnprkh 891 64 10ms 3 Mar 2023 633rd Edjyzod 891 64 10ms 7 Mar 2023 633rd gregoirebezier 891 64 10ms 26 Apr 2023 633rd LiquidPulsar 891 64 11ms 19 Jul 2023 633rd tails618 891 64 10ms 21 Aug 2023 633rd dranjohn 891 64 10ms 20 Sep 2023 633rd kaptsanovb 891 64 10ms 23 Sep 2023 633rd vTrial 891 64 10ms 16 Dec 2023 633rd Pale-Vessel 891 64 11ms 19 Dec 2023 633rd JakeDaCake36 891 64 11ms 19 Feb 2024 633rd sciencejiho 891 64 10ms 10 Apr 2024 633rd thienudomsrirungruang 891 64 11ms 11 Apr 2024 633rd OCNeve 891 64 10ms 17 Jun 2024 633rd mrinalTheCoder 891 64 13ms 5 Jul 2024 633rd MaxCastella 🇫🇷 891 64 10ms 9 Jul 2024 633rd jameswmccarty 891 64 10ms 10 Jul 2024 633rd aaa123git 891 64 10ms 17 Jul 2024 633rd WillConker 891 64 10ms 11 Aug 2024 633rd Mathrew2012 891 64 9ms 14 Aug 2024 633rd JesseNoEyes 🇺🇸 891 64 10ms 4 Oct 2024 633rd shogo314 891 64 11ms 24 Oct 2024 633rd gallium-gonzollium 891 64 10ms 2 Nov 2024 633rd itljan30 891 64 11ms 28 Jan 2025 633rd gdpr777 891 64 11ms 19 Apr 2025 633rd BabySharkHi 891 64 11ms 22 Apr 2025 633rd benvreeves 891 64 10ms 25 Jul 2025 633rd osNiko 🇧🇷 891 64 10ms 28 Jul 2025 633rd countlpaul-dotcom 891 64 10ms 19 Oct 2025 633rd Tristanchaang 891 64 10ms 13 Nov 2025 633rd Mefred 891 64 10ms 25 Nov 2025 633rd TJK-S 891 64 10ms 8 Dec 2025 712th zyasserd 877 65 11ms 7 Sep 2018 712th danwley 877 65 10ms 21 Nov 2018 712th jrobert2 877 65 11ms 19 Dec 2018 712th sokorieh 877 65 10ms 29 Mar 2019 712th Bibi2424 877 65 10ms 13 May 2019 712th nkansal96 877 65 11ms 21 May 2019 712th kallipygos 877 65 11ms 25 Jul 2019 712th GodEmperorCaterpie 877 65 10ms 6 Sep 2019 712th ieeemma 877 65 15ms 26 Sep 2019 First Prev 641–720 of 1,507 Next Last
