The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 6 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 880th DePopadopalis 502 410 10ms 6 Apr 2022 880th Molliojing 502 410 11ms 29 Mar 2024 880th ineedcookie 502 410 10ms 23 Apr 2024 884th fatcat2 499 413 10ms 3 Jan 2020 884th sevkun 499 413 13ms 5 Jun 2020 884th iihiro 🇯🇵 499 413 10ms 6 Jul 2022 884th Evytag 🇫🇷 499 413 17ms 9 Oct 2025 888th jbrry 496 415 11ms 29 Mar 2022 888th Nektar24 496 415 16ms 2 Jun 2023 888th jmjaggi1202 496 415 10ms 13 Dec 2023 891st rahulbyte-js 495 416 9ms 25 Nov 2025 892nd shinylego 494 417 12ms 17 Oct 2022 893rd joel-e-m-mitchell 493 418 11ms 10 Jun 2018 893rd SaberSwordBoy 493 418 9ms 23 Apr 2022 893rd fredoinsilico 493 418 11ms 9 Sep 2023 896th SpielerNogard 489 421 10ms 13 Feb 2021 897th joe0400 488 422 10ms 7 Sep 2021 897th 4ndyJ 🇬🇧 488 422 17ms 29 Nov 2022 897th HanaEndUser 488 422 10ms 10 Jan 2024 897th JKfromHMS 488 422 10ms 20 May 2024 901st Gadzillion 487 423 10ms 18 Apr 2021 902nd ArturLange 486 424 9ms 31 Aug 2018 903rd plainoldcheese 🇦🇶 480 429 12ms 16 Apr 2020 903rd mm-news 480 429 11ms 1 Dec 2022 905th zuparnowa 479 430 16ms 29 Jan 2019 905th henrytranter 479 430 17ms 20 Sep 2019 905th Rago-Tony 479 430 10ms 20 Jun 2025 908th sadfun 478 431 10ms 29 Jan 2021 908th Shardscape1 478 431 11ms 1 Jan 2025 910th EthanGrant1 476 433 10ms 13 Apr 2022 910th dylanjones92 476 433 10ms 22 Jan 2024 912th felicksLindgren 475 434 10ms 13 Sep 2024 913th AgathokakologicalBit 474 435 9ms 26 Jul 2019 913th Xaevien 474 435 10ms 26 Aug 2021 915th MoonWatcher582 472 436 10ms 26 Apr 2018 915th CRHillman 472 436 17ms 16 Aug 2018 917th alexandre-lavoie 471 437 9ms 30 Jul 2020 917th BackslashWelsh 471 437 10ms 24 Jul 2021 919th GeryonDev 469 439 10ms 21 Oct 2021 920th ktnguyen2 466 442 10ms 4 Jan 2020 920th Bodo171 466 442 11ms 21 Nov 2022 922nd jrm5399 🇰🇿 465 443 11ms 9 Sep 2022 922nd bingbingcrosby 465 443 10ms 8 Oct 2022 922nd brimstonetrader 465 443 11ms 17 Dec 2023 925th esaelo 464 444 11ms 13 Nov 2022 925th pythonNoobOz 464 444 10ms 7 Jun 2023 927th Tagfox 462 446 11ms 16 Jul 2022 928th luxdragon 458 450 10ms 12 Oct 2022 929th halp1 457 451 11ms 7 Apr 2022 930th babulibaba 454 454 9ms 15 Aug 2019 930th atazzam 🇺🇸 454 454 10ms 4 Mar 2022 932nd Cynopolis 453 455 10ms 16 Oct 2023 933rd OliverLunn 452 456 10ms 11 Sep 2024 934th kenballus 451 457 11ms 21 Jan 2022 934th Bitdragon50 451 457 9ms 12 Sep 2023 936th Niitrogen 447 461 10ms 17 Jan 2020 937th StoverGitHub 445 463 10ms 16 Jun 2022 938th wazawoo 441 467 9ms 21 Oct 2018 939th arinhyther 440 468 9ms 16 Jan 2023 940th Luc201 439 469 10ms 13 Oct 2018 941st goGuru 438 470 10ms 17 Dec 2022 942nd bhaanukaul 433 476 10ms 10 May 2020 943rd Zhenyu-Bo 432 477 10ms 1 Aug 2025 944th JuanMHuerta 431 478 11ms 11 Feb 2022 945th t1819 429 480 10ms 6 Feb 2019 946th tmanternach 428 481 10ms 23 Nov 2022 947th archieduffin 424 486 10ms 17 Dec 2021 948th zyc-2024 🇨🇳 422 488 9ms 5 Oct 2024 949th Yahiamice 419 492 10ms 30 Jul 2024 950th W20002026 417 494 10ms 13 Sep 2023 951st HAV0C101 414 497 10ms 5 Mar 2021 951st Thestralos 414 497 10ms 18 Apr 2023 953rd christensendaniel 414 498 10ms 12 Apr 2023 954th Rtb31 413 499 11ms 9 Jun 2020 954th DraagDunk 413 499 9ms 1 Dec 2025 956th WCScrypto-official 406 508 11ms 21 Dec 2024 957th poklj 403 511 10ms 16 Nov 2020 958th Seraph18 399 516 10ms 13 Jan 2022 959th peculiarination 398 517 10ms 30 Apr 2021 960th PALredemption 397 519 10ms 5 Aug 2024 First Prev 881–960 of 1,100 Next Last
