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 400th rexim 706 102 2ms 28 Aug 2020 400th Emp3404 706 102 4ms 28 Aug 2020 400th slerpyyy 🇩🇪 706 102 2ms 3 Nov 2022 400th ayushdewan 706 102 1ms 27 Dec 2022 400th mathisfun271 706 102 2ms 11 Feb 2023 400th MahmoudMartini 706 102 2ms 17 Jun 2023 400th cospplredman 706 102 1ms 24 Jun 2023 400th kallmi28 🇨🇿 706 102 2ms 26 Sep 2023 400th iilegacyyii 706 102 1ms 20 Jan 2025 410th kendstott 699 103 2ms 28 Jun 2019 410th Spadi0 699 103 2ms 2 Jan 2022 410th GreenyNeko 699 103 2ms 3 Nov 2022 410th Vexxter9 🇳🇱 699 103 2ms 3 Sep 2025 414th riccetn 692 104 2ms 7 Jul 2022 414th calinous 🇷🇴 692 104 1ms 2 Mar 2023 416th AaronGarbut 686 105 1ms 30 Jul 2019 416th Waterperry 686 105 2ms 1 Nov 2021 416th Drew-j-Smith 686 105 1ms 11 Apr 2022 416th james-downey 686 105 2ms 14 Jul 2022 416th galloj 🇨🇿 686 105 1ms 29 Aug 2022 416th Maashau 686 105 2ms 19 days ago 422nd kevokevol 679 106 2ms 28 Apr 2019 422nd AkashTandon167 679 106 1ms 12 Nov 2019 422nd Luz-K 679 106 1ms 20 Apr 2020 422nd EFHIII 679 106 1ms 7 Aug 2020 422nd agrukuki 679 106 2ms 23 Sep 2020 422nd bvpav 679 106 1ms 8 Aug 2022 422nd n8pjl 679 106 1ms 29 Oct 2023 422nd MCausc78 🇺🇦 679 106 2ms 18 Jan 2024 430th lukasmoellerch 673 107 1ms 14 Jul 2019 430th AIn0n 673 107 2ms 11 Jul 2021 430th TornadoCookie 673 107 2ms 17 Oct 2022 430th AforAmpere 673 107 1ms 20 Sep 2023 430th a-sakharov 673 107 2ms 8 Nov 2023 435th archee303 667 108 2ms 4 Feb 2020 435th Non-J 667 108 2ms 26 Sep 2020 435th Despacito696969 667 108 1ms 12 Nov 2021 435th caynraiser 667 108 2ms 24 Dec 2021 435th guilhem-roy 🇫🇷 667 108 2ms 30 Aug 2022 440th vartult 661 109 2ms 16 Apr 2020 440th mochaaP 661 109 2ms 5 Aug 2020 440th aksyristos 661 109 3ms 29 Oct 2022 440th kuba160 661 109 1ms 2 Jun 2023 440th MateuszPietrzak 🇵🇱 661 109 2ms 22 Nov 2023 445th citsur 655 110 2ms 9 Jun 2019 445th Alesun 🇮🇹 655 110 2ms 11 Oct 2019 445th rodrigoronin 655 110 2ms 3 Aug 2023 445th 1231234md5 🇨🇳 655 110 1ms 14 Dec 2023 445th humz2k 655 110 2ms 26 Sep 2024 450th tusharpandey13 649 111 1ms 6 Apr 2019 450th oschmidh 649 111 2ms 17 Nov 2020 450th jeff-at-tamer-dot-codes 🇺🇸 649 111 1ms 1 Jun 2023 450th Sephirem98 649 111 2ms 3 Nov 2023 450th Karambeium 649 111 2ms 19 Aug 2024 450th pquline 649 111 2ms 25 Jan 2025 456th davidgblanes 643 112 1ms 22 Sep 2019 456th tm70 643 112 1ms 23 Jan 2021 456th Gosefu 643 112 2ms 24 Aug 2022 456th Nightmarius 643 112 2ms 25 Jan 2024 456th yuchuehw 643 112 2ms 6 Jun 2024 461st BuoyantPigeon 637 113 2ms 10 Aug 2019 461st Eolu 637 113 1ms 24 Apr 2020 461st Sascha37 🇩🇪 637 113 2ms 20 Sep 2025 464th jackkav 632 114 2ms 6 Oct 2019 464th seanbone 632 114 2ms 27 Jan 2021 464th catwhip 632 114 1ms 11 Feb 2021 464th vincens2005 🇺🇸 632 114 2ms 18 Nov 2022 464th klixel 🇨🇦 632 114 2ms 22 Nov 2023 464th Stockoh 🇫🇷 632 114 2ms 29 Sep 2024 464th Upload-and-View 🇺🇦 632 114 1ms 20 Aug 2025 464th Matto58 632 114 1ms 13 Sep 2025 472nd DrProfPatPending 626 115 1ms 2 Jan 2021 472nd Tchy258 626 115 2ms 14 Jan 2024 472nd Blockyheadman 626 115 3ms 7 Nov 2025 475th burton-aad 621 116 2ms 27 Jul 2020 475th lukeme 621 116 2ms 30 Sep 2020 475th blazingdynamo 621 116 1ms 8 Nov 2022 478th madeve-unipi 615 117 2ms 7 Oct 2019 478th komos90 615 117 2ms 21 May 2020 478th generot 🇧🇬 615 117 1ms 4 Jul 2020 First Prev 401–480 of 746 Next Last
