The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Fizz Buzz in C 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 217th 2011-Chan-Ethan 847 85 1ms 9 Jul 2021 217th TomatOid 847 85 2ms 14 Sep 2021 217th pengu1n-master 847 85 2ms 14 Sep 2021 217th Bonjour27891 🇻🇳 847 85 2ms 11 Mar 2022 217th two-bad 🇬🇧 847 85 2ms 12 Jul 2022 217th lvillani6 847 85 2ms 14 Oct 2022 217th Garfield1002 847 85 2ms 28 Oct 2022 217th diddily 847 85 1ms 24 Nov 2022 217th LogicalJoe 847 85 2ms 18 Mar 2023 217th AidanWalter 847 85 2ms 23 Apr 2023 217th nyoshe 847 85 2ms 19 Sep 2023 217th jagannathhari 847 85 1ms 3 Oct 2023 217th michael-lehn 847 85 2ms 7 Nov 2023 217th ben-j-herbertz 847 85 2ms 21 Nov 2023 217th brandonszeto 847 85 1ms 10 Mar 2024 217th masinag 🇮🇹 847 85 2ms 29 Sep 2024 217th sciencejiho 847 85 1ms 17 Oct 2024 217th lin-alg 847 85 1ms 23 Oct 2024 217th LvLError 847 85 2ms 26 May 2025 260th Ljabert 837 86 2ms 15 Dec 2021 260th Jasper-Ty 🇵🇭 837 86 2ms 22 Apr 2022 260th neuhaus 837 86 1ms 12 Nov 2022 260th Haksell 🇦🇶 837 86 2ms 28 Feb 2023 260th 0xV0RT3X 837 86 1ms 4 Mar 2024 260th nathom 837 86 1ms 20 Mar 2024 260th qpwoeirut 837 86 2ms 3 Jul 2025 260th prestosilver 🇺🇸 837 86 1ms 27 days ago 268th robinastedt 828 87 2ms 5 Jun 2020 268th gdickie 828 87 1ms 18 Aug 2020 268th bijlpieter 828 87 1ms 19 Nov 2021 268th User2654 828 87 3ms 10 Feb 2023 268th roupiq 🇵🇱 828 87 2ms 23 Feb 2024 268th Ripick 828 87 1ms 21 Oct 2025 274th guliyevemil1 🇦🇿 818 88 2ms 3 Feb 2021 274th neihousaigaai 818 88 2ms 20 Mar 2021 274th alexvitkov 818 88 1ms 6 Aug 2022 274th elgan65536 818 88 1ms 24 Oct 2023 274th helbling 🇨🇭 818 88 1ms 8 Jul 2024 274th mickmurci 818 88 2ms 2 Feb 2025 274th BlueGummi 818 88 2ms 15 Apr 2025 274th ethanlchristensen 818 88 1ms 17 Oct 2025 282nd daedals 809 89 1ms 1 Jul 2019 282nd LexouDuck 809 89 2ms 24 Oct 2020 282nd GReaperEx 809 89 1ms 11 Feb 2021 282nd HVMarci 🇭🇺 809 89 2ms 3 Jun 2021 282nd JosephPrachar 809 89 2ms 11 Jan 2023 282nd commandblockguy 🇺🇸 809 89 1ms 20 Aug 2023 282nd rsgray 809 89 2ms 21 Jan 2024 282nd sjrct 809 89 2ms 7 Aug 2024 282nd not-a-pokemon 809 89 2ms 27 Jul 2025 291st hyphz 800 90 3ms 14 Nov 2019 291st ACMichels 800 90 2ms 13 Aug 2021 291st Natanaelel 🇸🇪 800 90 2ms 9 Dec 2021 291st jupj 🇫🇮 800 90 2ms 31 Aug 2022 291st Jandoife 800 90 2ms 25 Nov 2022 291st YoranDS 800 90 2ms 29 May 2023 291st sulphemi 800 90 2ms 5 Oct 2023 291st LorenzoDeGaspari 800 90 1ms 2 May 2024 291st AlexKent3141 800 90 1ms 1 Jun 2024 291st 0dyse 800 90 2ms 21 Apr 2025 291st GodlyProgrammer1 800 90 2ms 15 Nov 2025 302nd fourtf 791 91 1ms 28 Aug 2020 302nd DaCuteRaccoon 791 91 1ms 12 Dec 2022 302nd Andriamanitra 🇫🇮 791 91 2ms 17 Oct 2023 302nd mazspork 791 91 2ms 4 Dec 2023 302nd NickTheEASDude 🇺🇸 791 91 1ms 27 Feb 2024 307th tsunderu 🇯🇵 783 92 2ms 26 Aug 2021 307th shellbertt 🇨🇦 783 92 2ms 4 Nov 2021 307th pyrolitic 🇮🇪 783 92 1ms 10 Apr 2022 307th anbutle 783 92 1ms 14 Aug 2022 307th ValentinCassayre 783 92 2ms 8 Oct 2022 307th devoil-g 783 92 1ms 17 Oct 2025 313th Spruill-1 774 93 1ms 11 Sep 2021 313th loganmacdougall 🇨🇦 774 93 2ms 12 Nov 2021 313th aliakseikalosha 774 93 2ms 22 Apr 2022 313th Us1ngTh3Hub 774 93 2ms 21 Jun 2023 313th Szum123321 🇵🇱 774 93 2ms 25 Nov 2023 318th AndreaNeti 766 94 1ms 29 Oct 2019 318th ian-h-chamberlain 🇺🇸 766 94 1ms 6 Jan 2020 318th osmith93 766 94 2ms 12 Dec 2020 First Prev 241–320 of 746 Next Last