The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 3 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 313th elgan65536 🇺🇸 720 286 10ms 16 Apr 2024 313th santiagvalencia 720 286 17ms 29 Apr 2025 313th professor-l 720 286 11ms 43 mins ago 324th MichaelMBradley 🇨🇦 718 287 17ms 26 Feb 2022 324th Wildst 718 287 9ms 20 Jul 2022 324th Ralac07 🇦🇺 718 287 17ms 4 Jul 2024 324th starfihs 718 287 10ms 1 Mar 2025 324th vhoulbreque 🇫🇷 718 287 9ms 28 Nov 2025 329th myleopard 715 288 17ms 29 Jan 2021 329th fredrik-bakke 🇳🇴 715 288 11ms 5 Oct 2022 331st stordev 713 289 11ms 26 Feb 2021 331st scpchicken 🇵🇼 713 289 13ms 12 Mar 2022 331st GulgDev 713 289 11ms 22 Mar 2023 331st M4rc0g1 713 289 10ms 15 Nov 2025 335th TheAristos 710 290 10ms 25 Oct 2019 335th itiievskyi 🇺🇦 710 290 10ms 10 Aug 2020 335th dzshn 710 290 10ms 25 Nov 2020 335th firegene 🇮🇪 710 290 17ms 1 Apr 2023 335th markusgraube 710 290 11ms 13 Apr 2023 335th rucin93 🇵🇱 710 290 17ms 17 Jan 2024 335th lelbal 710 290 10ms 15 Sep 2025 335th FoxInTheClouds 710 290 10ms 8 Feb 2026 343rd ari-gutierrez 708 291 10ms 23 Oct 2018 343rd AkashTandon167 708 291 9ms 19 Jan 2021 343rd GeneralTwi 708 291 17ms 4 May 2022 343rd julienlamoureux78 708 291 11ms 17 Aug 2022 343rd drewburr 708 291 11ms 28 Nov 2022 343rd BenjaminHGong 708 291 10ms 22 Jan 2024 349th zdzc 705 292 10ms 3 Mar 2018 349th Trunksistor 🇫🇷 705 292 11ms 8 Apr 2022 349th mrnomm 705 292 10ms 12 Aug 2022 349th SubsTheTechnomancer 705 292 10ms 27 Feb 2023 349th eddvrs 705 292 10ms 21 Dec 2023 349th jacekwladzinski 705 292 10ms 4 Oct 2025 349th Nikinator2704 705 292 18ms 31 Oct 2025 349th mossiegoat 705 292 10ms 28 Jan 2026 357th guliyevemil1 🇦🇿 703 293 9ms 16 Apr 2020 357th NanduBC 703 293 12ms 17 Mar 2021 357th Jaydosu 703 293 11ms 22 Oct 2021 357th 5space 703 293 10ms 13 Apr 2022 357th 6lr61 703 293 10ms 1 Dec 2022 357th sandorstormen 703 293 9ms 11 Mar 2023 357th 2011-Chan-Ethan 703 293 10ms 6 Jul 2023 357th KadinSchultz 703 293 10ms 2 days ago 365th ionutm82 701 294 16ms 12 Nov 2018 365th decorator-factory 701 294 9ms 19 May 2019 365th vezzick 701 294 18ms 5 Mar 2021 365th wrjv 701 294 10ms 7 Jul 2021 365th colraw 🇸🇪 701 294 16ms 21 Jan 2023 365th mbittner20 701 294 11ms 28 Feb 2023 365th ross-i 701 294 10ms 5 Jul 2023 365th mar-moraes 701 294 10ms 13 Dec 2023 365th theadamabrams 701 294 10ms 1 Jan 2024 365th BREMAUCY 🇫🇷 701 294 17ms 27 Mar 2024 365th willow-iam 701 294 10ms 10 Jul 2024 365th edsrzf 🇳🇿 701 294 11ms 28 Sep 2024 365th tpolster 701 294 30ms 9 Oct 2024 378th Vaekor 698 295 9ms 18 Nov 2020 378th argusdusty 🇺🇸 698 295 10ms 26 Dec 2020 378th inverseLorentz 🇦🇺 698 295 11ms 6 Jun 2022 378th andre-de-lorde 698 295 10ms 1 Sep 2022 378th suhasdara 698 295 10ms 29 Oct 2022 378th eiburns 698 295 10ms 21 Jan 2023 378th MiranDaniel 🇨🇿 698 295 17ms 1 May 2023 378th lillian314159 698 295 10ms 13 Jul 2023 378th Andrey135296 698 295 10ms 26 Sep 2023 378th nhausspiegel 698 295 17ms 25 Oct 2023 378th blueCormorant 698 295 9ms 26 May 2024 378th sacredeux 698 295 10ms 2 Aug 2024 378th Malizma333 698 295 10ms 17 Oct 2024 378th ridingqwerty 🇺🇸 698 295 16ms 17 Mar 2025 378th SectorCorruptor 698 295 16ms 25 Jul 2025 378th Hyperoplex145 698 295 11ms 10 Nov 2025 394th drew-loukusa 696 296 11ms 27 May 2020 394th CodyMiner 696 296 29ms 17 Nov 2021 394th Will-Howard 696 296 10ms 19 Dec 2021 394th The3gs 696 296 10ms 5 Jan 2022 394th ThijsLuttikhuis 696 296 10ms 4 Mar 2024 394th GeneralFabian 696 296 12ms 14 Dec 2024 394th RobGLambert 696 296 10ms 7 Jun 2025 First Prev 321–400 of 1,103 Next Last
