The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 5 days. Why not try and solve them ahead of time?
99 Bottles of Beer 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 400th b4dpxl 694 297 9ms 14 Nov 2019 400th lamba09 694 297 16ms 20 Aug 2020 400th petroselo 694 297 11ms 9 Apr 2022 400th jm600 694 297 10ms 14 Apr 2022 400th nstearns96 🇬🇧 694 297 10ms 10 Dec 2022 400th Edjyzod 694 297 10ms 7 Mar 2023 400th taesungh 694 297 10ms 15 Oct 2023 400th askipio 694 297 9ms 22 Nov 2023 400th j3mak 694 297 10ms 16 Jan 2024 400th Mathrew2012 694 297 10ms 30 Aug 2024 400th damoose717 694 297 16ms 23 May 2025 412th sombreWeb 691 298 11ms 5 Nov 2020 412th chbea1 691 298 17ms 30 Mar 2021 412th asheeri 691 298 10ms 15 Aug 2021 412th Starwort 🇬🇧 691 298 10ms 4 Dec 2022 412th qwjhvbxi 691 298 10ms 5 Feb 2024 412th estrawitch 691 298 10ms 9 days ago 418th surbainczyk 689 299 10ms 20 Jul 2022 418th oneWaveAdrian 🇩🇪 689 299 10ms 14 Oct 2022 418th PaulMWeiser 689 299 11ms 14 Feb 2023 418th Yewzir 🇧🇪 689 299 19ms 12 Apr 2023 418th fenix-bear 689 299 10ms 3 Jul 2023 418th DavidVadnais 689 299 10ms 15 Feb 2024 418th gallium-gonzollium 689 299 10ms 24 Aug 2024 418th Pyroan 689 299 11ms 19 Apr 2025 426th leny-mi 687 300 10ms 27 Jul 2020 426th gardarjuto 687 300 11ms 16 Nov 2020 426th Re-Adventures 🇮🇳 687 300 10ms 20 Mar 2021 426th mrmena 🇦🇺 687 300 10ms 27 May 2021 426th eoinfennessy 687 300 10ms 23 Jul 2021 426th jwfiredragon 687 300 11ms 15 May 2025 426th maxficco 687 300 11ms 27 Sep 2025 433rd SniperSmiley 🇺🇸 684 301 11ms 1 Jul 2021 433rd ramsay 684 301 10ms 8 Aug 2022 433rd alexhroom 684 301 9ms 1 Sep 2022 433rd Dundunbra 🇳🇴 684 301 9ms 18 Sep 2022 437th HassanAliKadhem 🇧🇭 682 302 17ms 5 Jan 2022 437th PhysicDev 🇫🇷 682 302 11ms 5 Sep 2022 437th za3k 682 302 9ms 8 Oct 2022 437th en4rab 682 302 9ms 7 May 2023 437th fbe 682 302 10ms 18 May 2023 442nd starsandspirals 680 303 13ms 9 Jul 2020 442nd goldstraw 680 303 10ms 30 Nov 2021 442nd thiccaxe 680 303 10ms 2 Oct 2022 442nd tails618 680 303 10ms 10 Sep 2023 442nd PixelSoftwareStudios 🇺🇸 680 303 10ms 15 Jun 2024 442nd resoNathan 680 303 10ms 8 Jul 2024 442nd wh3n3v3r 🇨🇿 680 303 11ms 8 Nov 2024 442nd NoneTheFewer 680 303 10ms 5 Jan 2026 450th adesanjo 678 304 11ms 16 Jun 2018 450th JackM25 678 304 17ms 28 Sep 2020 450th MurrayHS 678 304 17ms 28 Sep 2020 450th hidude562 678 304 10ms 19 Oct 2022 450th CatsAreFluffy 678 304 10ms 18 Dec 2022 450th Stanworld80 678 304 13ms 6 Dec 2023 450th davidheineman 678 304 17ms 1 Jul 2024 450th themoonisacheese 678 304 19ms 3 Mar 2025 450th aksyristos 678 304 17ms 1 Aug 2025 459th GG2024 675 305 11ms 6 Aug 2019 459th Pie42 675 305 17ms 7 Apr 2020 459th ihalseide 🇺🇸 675 305 17ms 5 Jun 2021 459th phpboyscout 675 305 16ms 10 Feb 2023 459th tknight00 675 305 17ms 9 Jan 2024 459th imelxr 🇮🇱 675 305 10ms 16 Aug 2024 459th hippopotam00sehead 🇨🇦 675 305 11ms 9 Sep 2024 459th AodhanDalton 675 305 16ms 27 Nov 2024 467th 130N35 673 306 17ms 28 Jan 2020 467th vonKrafft 673 306 10ms 24 Mar 2020 467th NerdyMcNerd42 673 306 11ms 14 Oct 2022 467th anclrii 673 306 10ms 14 Feb 2023 467th tvcv901 673 306 10ms 22 Mar 2023 467th jatloe 673 306 10ms 28 Jan 2024 467th yokasuretsu 673 306 10ms 10 Jan 2025 467th megargayu 673 306 17ms 14 Aug 2025 475th mrmavana 671 307 10ms 16 Dec 2019 475th haydenridd 671 307 10ms 20 Oct 2020 475th markbyrne 671 307 10ms 20 Oct 2020 475th htquach 671 307 11ms 26 Jun 2022 475th ShiniGangrade 671 307 13ms 14 Jul 2022 475th jorisbertram 671 307 19ms 26 Aug 2022 First Prev 401–480 of 1,102 Next Last
