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 557th jeaosh 648 318 17ms 23 Oct 2022 557th Deedogg 648 318 18ms 23 Oct 2022 563rd CopperyMarrow15 646 319 11ms 16 Feb 2020 563rd devRND-ess 646 319 24ms 30 Apr 2020 563rd r-benson 🇬🇧 646 319 10ms 31 Jan 2023 566th Haksell 🇦🇶 644 320 9ms 1 Dec 2019 566th dgambit 644 320 11ms 12 Apr 2021 566th jacklecroy 644 320 16ms 13 Apr 2021 566th sleepyStick 644 320 18ms 8 Dec 2021 566th RJFuller 644 320 11ms 8 Mar 2024 571st godraadam 642 321 11ms 16 Nov 2020 571st mothcolada 🇺🇸 642 321 12ms 13 Apr 2021 571st lemogne 642 321 10ms 8 Aug 2021 571st DylanScottCarroll 642 321 12ms 8 Nov 2021 571st UriyaBA 642 321 10ms 6 Dec 2023 571st tsidwick 642 321 10ms 20 Dec 2023 571st mantrades 642 321 10ms 24 Dec 2024 578th TTWNO 640 322 11ms 8 Apr 2019 578th maggym00 640 322 18ms 5 May 2021 578th NoKGamer 640 322 10ms 6 Jul 2021 578th mhenion8293 🇺🇸 640 322 10ms 19 Jan 2022 578th Shiran-Yuan 640 322 9ms 5 Apr 2023 578th setop 640 322 14ms 25 Aug 2023 578th JakeDaCake36 640 322 10ms 19 Feb 2024 578th abcdhhhh 640 322 10ms 24 Aug 2024 586th rasdasd 638 323 9ms 18 Nov 2019 586th b10011 🇫🇮 638 323 16ms 25 Jun 2020 586th Miles-1000 🇬🇧 638 323 10ms 14 Mar 2021 586th abrn 638 323 10ms 30 Jul 2022 586th Mikey-Beep 🇬🇧 638 323 10ms 3 Oct 2022 586th KiwiLT 638 323 10ms 21 Nov 2022 586th Seis 638 323 10ms 9 Dec 2022 586th jrbud 638 323 10ms 30 Dec 2023 586th lamorach 638 323 11ms 27 Mar 2024 586th gautambp 638 323 17ms 30 Jun 2025 586th EthanJantz 638 323 10ms 15 Aug 2025 597th sambirnbaum1 636 324 15ms 6 Sep 2019 597th btjones0 636 324 10ms 15 Jul 2022 597th dillon-duncando 636 324 10ms 4 Oct 2022 597th alexeldridge 636 324 10ms 8 Aug 2024 601st JamesPriest 634 325 10ms 19 Dec 2019 601st constant-stranger 634 325 9ms 28 Feb 2022 601st JuanGomez12 634 325 10ms 19 Jan 2023 601st ziselsberger 634 325 10ms 12 Oct 2024 601st Mizkii 634 325 10ms 20 Oct 2024 601st abhinavuppala 634 325 10ms 12 days ago 607th ydevor 🇮🇱 632 326 10ms 8 Mar 2021 607th piebot3000 632 326 9ms 13 Sep 2023 607th dlee888 632 326 10ms 17 Nov 2023 607th hellwue 632 326 10ms 29 Aug 2024 607th robbertvz 632 326 10ms 20 Jan 2026 612th jgermain48 630 327 11ms 9 Dec 2019 612th ianpoe 630 327 10ms 14 Mar 2020 612th Eilonlif 🇮🇱 630 327 10ms 9 Sep 2022 612th pustovalovm 630 327 10ms 13 Jan 2023 612th alexjurkiewicz 🇦🇺 630 327 9ms 7 Nov 2023 612th RedzGoose 🇦🇺 630 327 10ms 15 Dec 2024 612th honeyxm8 630 327 10ms 13 Mar 2025 619th michael-celani 628 328 11ms 30 Dec 2017 619th forlack 628 328 10ms 30 Oct 2021 619th brochmann 🇸🇪 628 328 31ms 24 Jan 2022 619th James-Oswald 🇺🇸 628 328 10ms 19 May 2023 619th MichaelHorwitz 628 328 10ms 29 Aug 2023 619th dragonshadows07 628 328 10ms 28 Jan 2024 625th ShadowGorn 626 329 11ms 10 Feb 2018 625th valgardg 🇮🇸 626 329 10ms 6 Aug 2021 625th PotatoSaladOverlord 626 329 10ms 13 Mar 2023 625th CorporalCrawdad 626 329 10ms 19 Aug 2024 629th Icymice 624 330 10ms 16 Mar 2020 629th twrogers1 624 330 10ms 12 Aug 2020 629th mokymok 🇺🇸 624 330 10ms 12 Jul 2021 629th SlicesOfficial 624 330 10ms 16 Oct 2021 629th luca1339 624 330 11ms 24 May 2024 634th ejerrard 622 331 9ms 20 Jun 2020 634th LukasFolwarczny 🇨🇿 622 331 10ms 17 Sep 2022 634th wampixel 622 331 15ms 12 Nov 2022 637th DonCharlesLambert 620 332 17ms 21 Feb 2024 637th ioorik 620 332 10ms 6 Mar 2025 639th david-wiles6 619 333 10ms 24 Jan 2020 639th bastienvoirin 🇫🇷 619 333 9ms 28 Nov 2020 First Prev 561–640 of 1,102 Next Last
