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 634th TessSSBM 891 64 12ms 1 Oct 2019 634th Anders429 891 64 13ms 8 Oct 2019 634th sjao14 891 64 10ms 4 Nov 2019 634th toombs-caeman 891 64 11ms 8 Mar 2020 634th mortimervonchappuis 891 64 10ms 16 Mar 2020 634th vonKrafft 891 64 12ms 25 Mar 2020 634th jimbarrett27 891 64 10ms 13 May 2020 634th drbalan 891 64 10ms 20 Jul 2020 634th Psirving 891 64 10ms 21 Jul 2020 634th QuinnQR 891 64 11ms 18 Aug 2020 634th mamsterla 891 64 10ms 19 Aug 2020 634th PatrickStephansen 🇿🇦 891 64 11ms 31 Aug 2020 634th ihalseide 🇺🇸 891 64 10ms 28 Oct 2020 634th Miles-1000 🇬🇧 891 64 10ms 28 Feb 2021 634th NanduBC 891 64 10ms 17 Mar 2021 634th jhunterkohler 891 64 11ms 20 May 2021 634th oplxy 891 64 10ms 20 Jun 2021 634th iammanish17 891 64 11ms 29 Jun 2021 634th sambirnbaum1 891 64 15ms 23 Aug 2021 634th feherd 891 64 10ms 29 Aug 2021 634th Jaydosu 891 64 10ms 21 Oct 2021 634th RagePit 891 64 11ms 2 Dec 2021 634th jacksonhenry3 891 64 11ms 23 Dec 2021 634th pascscha 891 64 13ms 28 Mar 2022 634th trag1c 🇵🇱 891 64 10ms 12 Apr 2022 634th Romain-1 🇫🇷 891 64 11ms 28 Apr 2022 634th cooljoseph1 891 64 14ms 7 May 2022 634th karhuthebear 891 64 10ms 10 May 2022 634th tterem 891 64 13ms 8 Jun 2022 634th Qu1etboy 891 64 11ms 23 Jun 2022 634th AbelPelser 891 64 11ms 3 Jul 2022 634th P-Quentin 🇫🇷 891 64 11ms 3 Aug 2022 634th smartiel 891 64 15ms 13 Sep 2022 634th LukasFolwarczny 🇨🇿 891 64 14ms 16 Sep 2022 634th ImpressedByRocks 891 64 10ms 16 Sep 2022 634th ls-samer-abuthaher 891 64 12ms 7 Oct 2022 634th AZ9tumas 891 64 11ms 11 Oct 2022 634th nkoppel 891 64 10ms 20 Oct 2022 634th aeonsablaze 891 64 10ms 22 Nov 2022 634th UltimateGuy0987 891 64 11ms 18 Dec 2022 634th Alfiecxn 🇬🇧 891 64 10ms 18 Dec 2022 634th vrnprkh 891 64 10ms 3 Mar 2023 634th Edjyzod 891 64 10ms 7 Mar 2023 634th gregoirebezier 891 64 10ms 26 Apr 2023 634th LiquidPulsar 891 64 11ms 19 Jul 2023 634th tails618 891 64 10ms 21 Aug 2023 634th dranjohn 891 64 10ms 20 Sep 2023 634th kaptsanovb 891 64 10ms 23 Sep 2023 634th vTrial 891 64 10ms 16 Dec 2023 634th Pale-Vessel 891 64 11ms 19 Dec 2023 634th JakeDaCake36 891 64 11ms 19 Feb 2024 634th sciencejiho 891 64 10ms 10 Apr 2024 634th thienudomsrirungruang 891 64 11ms 11 Apr 2024 634th OCNeve 891 64 10ms 17 Jun 2024 634th mrinalTheCoder 891 64 13ms 5 Jul 2024 634th MaxCastella 🇫🇷 891 64 10ms 9 Jul 2024 634th jameswmccarty 891 64 10ms 10 Jul 2024 634th aaa123git 891 64 10ms 17 Jul 2024 634th WillConker 891 64 10ms 11 Aug 2024 634th Mathrew2012 891 64 9ms 14 Aug 2024 634th JesseNoEyes 🇺🇸 891 64 10ms 4 Oct 2024 634th shogo314 891 64 11ms 24 Oct 2024 634th gallium-gonzollium 891 64 10ms 2 Nov 2024 634th itljan30 891 64 11ms 28 Jan 2025 634th gdpr777 891 64 11ms 19 Apr 2025 634th BabySharkHi 891 64 11ms 22 Apr 2025 634th benvreeves 891 64 10ms 25 Jul 2025 634th osNiko 🇧🇷 891 64 10ms 28 Jul 2025 634th countlpaul-dotcom 891 64 10ms 19 Oct 2025 634th Tristanchaang 891 64 10ms 13 Nov 2025 634th Mefred 891 64 10ms 25 Nov 2025 634th TJK-S 891 64 10ms 8 Dec 2025 713th zyasserd 877 65 11ms 7 Sep 2018 713th danwley 877 65 10ms 21 Nov 2018 713th jrobert2 877 65 11ms 19 Dec 2018 713th sokorieh 877 65 10ms 29 Mar 2019 713th Bibi2424 877 65 10ms 13 May 2019 713th nkansal96 877 65 11ms 21 May 2019 713th kallipygos 877 65 11ms 25 Jul 2019 713th GodEmperorCaterpie 877 65 10ms 6 Sep 2019 First Prev 641–720 of 1,508 Next Last
