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 801st Eulentier161 557 370 10ms 1 Nov 2023 801st yuchuehw 557 370 10ms 30 Dec 2023 803rd Retkoj 555 371 16ms 30 Nov 2020 803rd lokesh1809 555 371 10ms 3 Dec 2021 805th shota-eguchi 554 372 10ms 23 Jun 2022 805th roguh 🇬🇹 554 372 10ms 9 Jan 2024 805th tpremoli 554 372 10ms 11 Jun 2024 808th djtuBIG-MaliceX 552 373 16ms 2 Feb 2018 809th sgaltair 551 374 10ms 22 Feb 2023 809th wenbang24 551 374 10ms 29 Mar 2024 809th OyuDays 551 374 10ms 17 Mar 2025 812th chris3145 549 375 10ms 30 Jun 2022 812th Wonamm 549 375 10ms 14 Feb 2025 812th Apfelvater 549 375 16ms 26 days ago 815th thomashastings 548 376 11ms 16 Apr 2021 815th ShadowOfTheFuture 548 376 9ms 3 Dec 2021 817th jaxmattfair 🇺🇸 546 377 10ms 22 May 2024 818th dpasionek 545 378 17ms 7 Oct 2020 818th milainlambers 545 378 10ms 30 May 2022 820th MrLotU 541 381 17ms 7 Dec 2022 821st mishakmak 539 382 10ms 19 May 2018 821st chua-wei-cheng 539 382 11ms 28 Jul 2020 821st Yareeeema 539 382 10ms 10 Apr 2022 821st jelleromer 539 382 11ms 23 Apr 2024 825th RobertPoienar 538 383 11ms 18 Oct 2019 825th Omega65536 🇩🇪 538 383 11ms 5 Jan 2021 825th rohanku 538 383 11ms 7 Aug 2021 825th amadeusdotpng 538 383 10ms 22 Apr 2023 829th joshvd 536 384 10ms 1 Sep 2019 829th samburba 536 384 11ms 27 Jan 2025 831st W1Z44RD 534 386 9ms 26 Sep 2022 831st TheAtrossian 534 386 10ms 5 Jan 2025 833rd nwunderly 532 387 10ms 23 Aug 2024 833rd Unknownuserfrommars 532 387 9ms 7 Oct 2024 833rd jusaka 532 387 10ms 9 days ago 836th theonlytruemathnerd 531 388 9ms 10 Jan 2020 836th shibacho 🇯🇵 531 388 17ms 18 Mar 2022 836th Pyro569 531 388 11ms 26 Feb 2024 839th Eskumu 530 389 11ms 19 Nov 2017 839th IAGOAG 530 389 10ms 24 Jun 2018 839th TheShai81 530 389 10ms 31 Aug 2024 839th llPlayll 530 389 10ms 5 Dec 2025 843rd 0JCRG0 528 390 10ms 19 Jan 2024 843rd june410 🇨🇦 528 390 12ms 6 Jun 2024 845th jackdonofrio 527 391 10ms 22 Apr 2020 845th jmorton89 527 391 11ms 10 Aug 2020 845th katmh 527 391 10ms 1 Feb 2021 845th Havelex 527 391 10ms 15 Dec 2023 845th HagenFritz 527 391 10ms 20 Jun 2025 850th memuyskens 526 392 11ms 20 May 2021 850th fulgurbloom 526 392 10ms 5 Jul 2025 852nd thefakequake 524 393 11ms 27 May 2022 852nd cseiter 524 393 10ms 17 Jun 2022 854th katharine67 523 394 10ms 8 Oct 2022 855th GodEmperorCaterpie 522 395 17ms 5 Sep 2019 855th besasam 522 395 10ms 31 Mar 2021 855th AlanSmithee419 522 395 10ms 18 Nov 2021 855th zwxzwxzwx21 522 395 10ms 22 Dec 2023 855th raflemakt 522 395 11ms 3 Jan 2024 860th WilliamBate 520 396 10ms 18 Aug 2020 860th Wodinthemighty 520 396 10ms 5 Mar 2021 862nd Xzoky174 519 397 9ms 7 Oct 2022 863rd pecholsjones 518 398 10ms 8 Dec 2021 863rd krcs 🇵🇱 518 398 11ms 25 Dec 2021 863rd FK76exe 518 398 12ms 8 Oct 2022 866th hectordubuis 516 399 9ms 17 Dec 2022 867th AndrewYinLi 515 400 9ms 26 May 2020 867th delphonso 515 400 10ms 21 Dec 2021 867th aloobun 515 400 10ms 2 Dec 2024 870th loser1k 514 401 11ms 25 Jul 2024 871st DragonaireM 511 403 10ms 4 Feb 2023 872nd HorseScary 510 404 9ms 16 Nov 2021 872nd bwenstar 510 404 11ms 9 Aug 2022 872nd YoungjuneKwon 510 404 10ms 28 Jun 2023 872nd robmillersoftware 510 404 10ms 5 Aug 2023 876th vzsky 507 406 9ms 9 Nov 2022 877th Loag 506 407 10ms 7 Sep 2024 878th Stockoh 🇫🇷 505 408 10ms 5 May 2023 878th Bit125 505 408 9ms 31 Jan 2024 880th AliceFord 504 409 10ms 2 Jun 2022 First Prev 801–880 of 1,103 Next Last
