The Calendar hole will go live in approximately 6 days. Why not try and solve it ahead of time?
Fizz Buzz in Ruby in chars. 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 239th OddballGreg 592 76 35ms 25 Jul 2020 239th Cobrabb 592 76 41ms 7 Oct 2021 239th chrismytton 592 76 36ms 28 Jan 2022 239th alexjurkiewicz 🇦🇺 592 76 38ms 7 Nov 2023 245th paramsiddharth 584 77 36ms 18 Apr 2020 245th dwayneparton 584 77 35ms 8 May 2020 245th lbrito1 584 77 36ms 8 Jan 2022 245th Feniske 🇫🇷 584 77 37ms 7 Oct 2022 249th martynas-sm 577 78 35ms 13 Apr 2021 250th StevenElberger 570 79 34ms 29 Jun 2021 250th bbakersmith 570 79 35ms 1 Jul 2021 252nd Shirish111 563 80 38ms 12 Sep 2019 252nd torokmark 563 80 35ms 17 Nov 2019 252nd RowdyLemon 563 80 36ms 8 Jan 2020 252nd javmorin 563 80 34ms 17 May 2020 252nd MadonnaMat 563 80 36ms 21 Jan 2022 252nd CodeF53 563 80 36ms 6 Mar 2025 258th anna328p 556 81 39ms 22 Feb 2019 258th elisherer 🇮🇱 556 81 36ms 3 Apr 2019 258th marshallku 🇰🇷 556 81 35ms 11 Sep 2020 261st FnControlOption 549 82 39ms 26 Oct 2020 261st jacobmichaelis 549 82 37ms 27 May 2022 261st TEdFlow18 549 82 37ms 2 Jan 2023 261st vluyzvg 549 82 37ms 16 Feb 2023 265th jacobsmith 542 83 44ms 15 Feb 2018 265th rtmacaibay 542 83 42ms 28 Mar 2020 267th genius257 536 84 36ms 29 Mar 2018 267th joesenova 536 84 40ms 26 Apr 2018 267th theLobsterRevolution 536 84 36ms 30 Dec 2020 267th TheZwierzLF 🇵🇱 536 84 38ms 9 days ago 271st youchan 529 85 38ms 16 Dec 2018 272nd alexandre-lavoie 523 86 40ms 30 Jul 2020 272nd kjeldahl 523 86 37ms 4 Nov 2020 272nd ratPoopert 523 86 36ms 31 Jan 2023 275th julioolvr 517 87 39ms 1 Aug 2020 275th 5si 517 87 36ms 2 Nov 2020 277th 0xddom 511 88 35ms 18 Dec 2019 277th Ralac07 🇦🇺 511 88 37ms 27 Aug 2024 279th jamespeilunli 506 89 43ms 4 Jul 2022 280th BuoyantPigeon 489 92 36ms 10 Aug 2019 280th swanmatch 489 92 35ms 11 Oct 2019 280th volpi-m 🇫🇷 489 92 36ms 19 Mar 2024 283rd maths22 🇺🇸 484 93 33ms 10 Dec 2020 283rd r-iwakata 484 93 35ms 29 Dec 2022 283rd giruzou 484 93 37ms 16 Sep 2023 286th jimworm 479 94 39ms 8 Nov 2017 287th brianlwatson 474 95 39ms 7 Aug 2019 287th PotatoSaladOverlord 474 95 36ms 18 Jan 2024 289th ryanmt 469 96 35ms 27 Jun 2019 289th UnusedConfetti 469 96 39ms 27 Feb 2024 291st rambox11 464 97 35ms 7 Apr 2018 291st serene 464 97 37ms 12 May 2023 293rd karinknutsson 459 98 36ms 19 Mar 2021 294th bethdebelak 455 99 47ms 11 Mar 2018 294th Gradizer 455 99 34ms 23 Feb 2021 294th shibacho 🇯🇵 455 99 36ms 1 Dec 2021 297th atayarani 446 101 37ms 17 Jan 2019 297th dillon-duncando 446 101 37ms 12 Nov 2021 299th Dominoscompute 441 102 35ms 18 Jul 2022 299th hollma 441 102 36ms 2 Nov 2023 301st namelessiw 437 103 33ms 28 Jul 2023 302nd ArturLukianov 433 104 40ms 17 Dec 2020 302nd nckraghu 433 104 34ms 28 Sep 2021 302nd abbasmoosajee07 433 104 34ms 25 May 2025 305th sqlreader 429 105 36ms 12 Dec 2020 305th j-Ewan 429 105 39ms 15 Feb 2022 307th chris-arsenault 425 106 40ms 2 Feb 2018 307th jetpks 425 106 39ms 27 Jun 2019 307th rholliday 425 106 40ms 26 Feb 2021 307th pengu1n-master 425 106 36ms 11 Dec 2021 307th copoer 425 106 37ms 28 Feb 2023 307th keelimeguy 🇺🇸 425 106 37ms 24 Oct 2023 313th kkittlive 417 108 38ms 5 Oct 2020 313th msbranicky 417 108 35ms 8 Sep 2023 315th esmg1 413 109 36ms 22 Aug 2018 315th twocatsinatrenchcoat 413 109 38ms 25 Apr 2022 317th TheAristos 409 110 35ms 11 Dec 2019 318th Lucca-mito 402 112 37ms 18 Apr 2018 319th ninjawarrior1337 395 114 36ms 8 Aug 2021 320th GWStuart 388 116 35ms 24 Nov 2021 First Prev 241–320 of 366 Next Last