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 558th 1337-man 648 318 10ms 1 Feb 2022 558th jeaosh 648 318 17ms 23 Oct 2022 558th Deedogg 648 318 18ms 23 Oct 2022 564th CopperyMarrow15 646 319 11ms 16 Feb 2020 564th devRND-ess 646 319 24ms 30 Apr 2020 564th r-benson 🇬🇧 646 319 10ms 31 Jan 2023 567th Haksell 🇦🇶 644 320 9ms 1 Dec 2019 567th dgambit 644 320 11ms 12 Apr 2021 567th jacklecroy 644 320 16ms 13 Apr 2021 567th sleepyStick 644 320 18ms 8 Dec 2021 567th RJFuller 644 320 11ms 8 Mar 2024 572nd godraadam 642 321 11ms 16 Nov 2020 572nd mothcolada 🇺🇸 642 321 12ms 13 Apr 2021 572nd lemogne 642 321 10ms 8 Aug 2021 572nd DylanScottCarroll 642 321 12ms 8 Nov 2021 572nd UriyaBA 642 321 10ms 6 Dec 2023 572nd tsidwick 642 321 10ms 20 Dec 2023 572nd mantrades 642 321 10ms 24 Dec 2024 579th TTWNO 640 322 11ms 8 Apr 2019 579th maggym00 640 322 18ms 5 May 2021 579th NoKGamer 640 322 10ms 6 Jul 2021 579th mhenion8293 🇺🇸 640 322 10ms 19 Jan 2022 579th Shiran-Yuan 640 322 9ms 5 Apr 2023 579th setop 640 322 14ms 25 Aug 2023 579th JakeDaCake36 640 322 10ms 19 Feb 2024 579th abcdhhhh 640 322 10ms 24 Aug 2024 587th rasdasd 638 323 9ms 18 Nov 2019 587th b10011 🇫🇮 638 323 16ms 25 Jun 2020 587th Miles-1000 🇬🇧 638 323 10ms 14 Mar 2021 587th abrn 638 323 10ms 30 Jul 2022 587th Mikey-Beep 🇬🇧 638 323 10ms 3 Oct 2022 587th KiwiLT 638 323 10ms 21 Nov 2022 587th Seis 638 323 10ms 9 Dec 2022 587th jrbud 638 323 10ms 30 Dec 2023 587th lamorach 638 323 11ms 27 Mar 2024 587th gautambp 638 323 17ms 30 Jun 2025 587th EthanJantz 638 323 10ms 15 Aug 2025 598th sambirnbaum1 636 324 15ms 6 Sep 2019 598th btjones0 636 324 10ms 15 Jul 2022 598th dillon-duncando 636 324 10ms 4 Oct 2022 598th alexeldridge 636 324 10ms 8 Aug 2024 602nd JamesPriest 634 325 10ms 19 Dec 2019 602nd constant-stranger 634 325 9ms 28 Feb 2022 602nd JuanGomez12 634 325 10ms 19 Jan 2023 602nd ziselsberger 634 325 10ms 12 Oct 2024 602nd Mizkii 634 325 10ms 20 Oct 2024 602nd abhinavuppala 634 325 10ms 14 days ago 608th ydevor 🇮🇱 632 326 10ms 8 Mar 2021 608th piebot3000 632 326 9ms 13 Sep 2023 608th dlee888 632 326 10ms 17 Nov 2023 608th hellwue 632 326 10ms 29 Aug 2024 608th robbertvz 632 326 10ms 20 Jan 2026 613th jgermain48 630 327 11ms 9 Dec 2019 613th ianpoe 630 327 10ms 14 Mar 2020 613th Eilonlif 🇮🇱 630 327 10ms 9 Sep 2022 613th pustovalovm 630 327 10ms 13 Jan 2023 613th alexjurkiewicz 🇦🇺 630 327 9ms 7 Nov 2023 613th RedzGoose 🇦🇺 630 327 10ms 15 Dec 2024 613th honeyxm8 630 327 10ms 13 Mar 2025 620th michael-celani 628 328 11ms 30 Dec 2017 620th forlack 628 328 10ms 30 Oct 2021 620th brochmann 🇸🇪 628 328 31ms 24 Jan 2022 620th James-Oswald 🇺🇸 628 328 10ms 19 May 2023 620th MichaelHorwitz 628 328 10ms 29 Aug 2023 620th dragonshadows07 628 328 10ms 28 Jan 2024 626th ShadowGorn 626 329 11ms 10 Feb 2018 626th valgardg 🇮🇸 626 329 10ms 6 Aug 2021 626th PotatoSaladOverlord 626 329 10ms 13 Mar 2023 626th CorporalCrawdad 626 329 10ms 19 Aug 2024 630th Icymice 624 330 10ms 16 Mar 2020 630th twrogers1 624 330 10ms 12 Aug 2020 630th mokymok 🇺🇸 624 330 10ms 12 Jul 2021 630th SlicesOfficial 624 330 10ms 16 Oct 2021 630th luca1339 624 330 11ms 24 May 2024 635th ejerrard 622 331 9ms 20 Jun 2020 635th LukasFolwarczny 🇨🇿 622 331 10ms 17 Sep 2022 635th wampixel 622 331 15ms 12 Nov 2022 638th DonCharlesLambert 620 332 17ms 21 Feb 2024 638th ioorik 620 332 10ms 6 Mar 2025 640th david-wiles6 619 333 10ms 24 Jan 2020 First Prev 561–640 of 1,103 Next Last
