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 720th gcrk 590 349 11ms 2 Mar 2022 720th Code-Coder-coder 590 349 9ms 14 Oct 2025 723rd ethandhunt 589 350 10ms 14 Aug 2021 723rd joshuamkite 589 350 11ms 25 Aug 2023 723rd bh2smith 589 350 10ms 8 May 2024 726th Nordle 587 351 16ms 26 Feb 2020 726th reedwilemon 587 351 10ms 10 Jun 2021 726th twocatsinatrenchcoat 587 351 9ms 14 Apr 2022 726th Donkere-vader 587 351 17ms 28 Nov 2022 726th charliegaming 587 351 11ms 4 Oct 2023 726th jtaxen 587 351 16ms 1 Apr 2024 726th syspro86 587 351 11ms 27 Feb 2025 733rd martinbaros 585 352 10ms 19 May 2020 733rd miranyx 585 352 10ms 12 Nov 2023 733rd Einsitein 585 352 11ms 21 Apr 2024 733rd lilymeoww 585 352 10ms 10 Dec 2025 737th RussellDash332 584 353 17ms 20 Nov 2021 737th emirps 584 353 10ms 21 Feb 2023 737th epic-programmer-guy 584 353 11ms 31 Dec 2023 737th raktim10 584 353 11ms 8 Nov 2024 741st pizie11 582 354 11ms 26 Dec 2022 741st DGipe 582 354 10ms 4 Mar 2024 741st duduaugusto123 582 354 10ms 15 Aug 2024 744th nathanaelbosilia 580 355 17ms 21 Mar 2018 744th NatriumKlorit 580 355 17ms 21 Mar 2018 744th lukehatcher 🇺🇸 580 355 10ms 30 Aug 2021 744th esnethen 580 355 9ms 21 Feb 2023 744th DukeOfSlovakia 580 355 18ms 27 Feb 2024 744th cthierfelder 🇲🇨 580 355 11ms 6 Sep 2025 750th Claxon 579 356 10ms 17 Dec 2021 751st Sturalke 577 357 10ms 10 Sep 2021 751st Great-Gamer 577 357 11ms 25 Feb 2022 751st zlohner 577 357 10ms 6 Apr 2022 751st InitialPosition 577 357 11ms 31 Aug 2022 751st HelloYuiYui 577 357 9ms 1 Nov 2023 751st diquah 577 357 10ms 1 Nov 2023 751st ItsEthanDev 577 357 10ms 13 Dec 2023 751st MttWed 577 357 10ms 26 Nov 2024 759th Hazedd 575 358 10ms 10 May 2021 759th FJSFerreira 575 358 10ms 22 May 2021 759th rak1507 🇬🇧 575 358 10ms 28 Oct 2021 759th Ankl1 🇺🇸 575 358 10ms 10 Apr 2025 763rd timchu 574 359 10ms 4 Mar 2021 763rd Alfiecxn 🇬🇧 574 359 10ms 13 Oct 2024 763rd logalex8369 🇺🇸 574 359 16ms 19 Dec 2025 766th ToE42 572 360 10ms 7 Sep 2021 766th vhoudev 572 360 16ms 15 Nov 2021 766th n0es 572 360 10ms 28 Sep 2022 766th trist224 🇫🇷 572 360 10ms 28 Nov 2022 766th BlakeBleem 572 360 17ms 20 Apr 2023 766th Tkidder132 572 360 10ms 28 Aug 2023 772nd derekthatcher 571 361 18ms 22 Sep 2020 772nd HairyOtter07 571 361 17ms 17 Jun 2021 772nd SURAJMITTAL 571 361 9ms 19 Dec 2024 772nd SOONwasTaken 571 361 9ms 18 Mar 2025 772nd ukeSJTU 571 361 10ms 20 Oct 2025 777th Rosco5555 569 362 10ms 22 Jul 2022 777th PeterDekkers 569 362 10ms 7 Aug 2022 777th specbug 569 362 11ms 30 Nov 2022 780th josephjojoe 567 363 11ms 22 Feb 2021 780th adammehaney 567 363 11ms 25 Sep 2024 782nd cadecrandall 566 364 11ms 4 Jun 2020 782nd pquline 566 364 10ms 4 Mar 2025 784th Psirving 564 365 10ms 20 Jul 2020 784th MLPdiscord 564 365 10ms 7 Jan 2022 784th BrysonHamlin 🇺🇸 564 365 10ms 8 Apr 2022 784th jnluke 564 365 11ms 27 Mar 2024 788th boxjelly 563 366 17ms 24 Feb 2021 788th TheSmilingTurtle 563 366 10ms 19 May 2022 788th andrewgopher 563 366 10ms 5 Dec 2022 788th ImpressedByRocks 563 366 36ms 2 May 2025 792nd edre 561 367 10ms 3 May 2018 792nd jake-gnosis 561 367 10ms 4 Jun 2024 792nd Florian-Mt 561 367 9ms 4 Dec 2025 795th Querinus 560 368 10ms 10 Nov 2022 795th jknndy 560 368 10ms 22 Oct 2023 795th CyberTapir 560 368 10ms 6 Sep 2024 795th muser-logiccpu 🇺🇦 560 368 10ms 23 Jul 2025 799th KieranZimmer 558 369 10ms 12 Mar 2022 799th cingulataluke 558 369 10ms 26 Aug 2023 First Prev 721–800 of 1,103 Next Last
