The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Fizz Buzz in C 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 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 Bytes Time Submitted 639th Stanbroek 444 162 2ms 18 Sep 2023 642nd Jokillerbee 442 163 2ms 29 May 2019 642nd escapable 442 163 2ms 7 Feb 2022 642nd PanKarapas 442 163 2ms 16 May 2023 642nd aDwarfNamedUrist 442 163 1ms 12 Jul 2023 646th GitMensch 434 166 1ms 11 Aug 2020 646th Zach1031 434 166 2ms 14 Nov 2025 648th sasekg 431 167 2ms 8 Feb 2020 648th Lampomaniac 🇳🇴 431 167 2ms 30 Dec 2021 650th rholliday 429 168 2ms 25 Feb 2021 651st cpatrascu-bd 426 169 2ms 15 Jan 2021 651st festiveelephantseal 🇺🇸 426 169 1ms 23 Mar 2021 651st asadullayev 426 169 2ms 30 Aug 2021 651st roy-sianez 426 169 2ms 23 Nov 2023 651st tlucanti 🇷🇺 426 169 1ms 8 Jan 2024 656th tetraxile 424 170 2ms 17 Oct 2021 656th chartung17 424 170 2ms 1 Jan 2024 656th Rambso 424 170 1ms 15 Oct 2024 659th Cristianinho 421 171 2ms 19 Oct 2021 659th cryptoriddlerUIO 421 171 2ms 14 Mar 2025 661st Error-42 419 172 1ms 22 Jul 2021 662nd eecb 416 173 2ms 21 Nov 2020 662nd paulelong 416 173 2ms 16 Aug 2022 662nd resherra 416 173 2ms 26 Feb 2024 665th pauloVato-sketch 414 174 2ms 22 Jan 2021 666th TravorLZH 411 175 2ms 6 May 2020 666th logancammish 411 175 2ms 21 Mar 2023 668th andrelisboa1 409 176 2ms 10 Aug 2020 668th RoscoeDaWah 🇬🇧 409 176 2ms 22 Mar 2023 668th kevinnaviapaiva 409 176 2ms 25 Feb 2025 671st orbanbalage 🇸🇰 407 177 2ms 29 Nov 2024 672nd phpboyscout 404 178 2ms 3 Sep 2019 672nd benjlester 404 178 1ms 3 Dec 2019 672nd ttl41 404 178 2ms 7 Nov 2020 675th paramsiddharth 402 179 2ms 18 Apr 2020 675th russjr08 402 179 2ms 29 Aug 2020 675th jhfranklin 🇬🇧 402 179 2ms 6 Mar 2022 675th SniperSmiley 🇺🇸 402 179 2ms 1 Aug 2022 679th Sanctuspaladin 400 180 1ms 11 May 2023 679th june410 🇨🇦 400 180 2ms 6 Jun 2024 681st valgardg 🇮🇸 398 181 2ms 22 Mar 2022 682nd whagar 396 182 2ms 18 Dec 2023 683rd Mch47 393 183 2ms 29 Oct 2023 683rd ReeseJBunker 393 183 2ms 29 Oct 2023 685th eclyptox 391 184 2ms 5 Oct 2024 686th kenballus 387 186 2ms 12 Nov 2019 686th iamkahvi 387 186 2ms 6 May 2020 686th OttscoMC 387 186 2ms 18 Jun 2021 686th CyberTapir 387 186 2ms 28 Aug 2024 690th sam-hurst 385 187 2ms 21 Apr 2020 691st alexdreptate 379 190 1ms 18 Aug 2022 692nd hatesune 377 191 1ms 18 Mar 2024 692nd calum12345 377 191 2ms 25 Mar 2025 694th ltabis 375 192 2ms 29 Aug 2020 695th noah-dean-wa 373 193 2ms 28 May 2024 696th siddharth2411 369 195 2ms 22 Mar 2020 696th pkruszec 369 195 2ms 7 May 2023 698th Harrison-Schultz 367 196 2ms 5 Sep 2020 698th techieji 367 196 2ms 23 Feb 2022 700th mrmena 🇦🇺 365 197 2ms 12 Dec 2022 701st pinguicula 362 199 2ms 25 Apr 2023 702nd MoxPoto 353 204 2ms 30 Jul 2021 703rd s-gannon 348 207 2ms 21 Nov 2021 704th prince01Storm 346 208 2ms 10 Jul 2021 705th eiburns 338 213 2ms 7 Sep 2023 706th vini2003 335 215 2ms 30 Jul 2019 707th troutser 329 219 2ms 11 Jan 2025 708th WilliamRagstad 316 228 2ms 28 Dec 2019 709th natinaum 314 229 1ms 26 Oct 2022 710th joseph-scott-campbell 308 234 2ms 27 Dec 2024 711th JakDanyelz82 305 236 3ms 13 Aug 2022 712th 3p14 291 247 2ms 25 Dec 2020 713th Rowdydangerous 283 254 2ms 19 Feb 2021 714th sambarnes06 278 259 2ms 17 Aug 2022 715th 51atoms 277 260 1ms 24 Jun 2021 716th Utsawb 276 261 2ms 20 Nov 2022 717th AX3M 271 266 2ms 1 Dec 2019 717th Lewflo 271 266 2ms 19 Nov 2024 719th 2xback 268 269 2ms 14 Feb 2023 720th funami2k 265 272 2ms 20 Apr 2020 First Prev 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