Fibonacci in C in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Erlang 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 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 Erlang 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 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 222nd Bubbler-4 868 53 2ms 3 Nov 2021 222nd c0d3-4-F00d 🇩🇪 868 53 6ms 6 Jan 2022 222nd Gosefu 868 53 2ms 13 Jul 2022 222nd raphaelimahorn 868 53 1ms 3 Oct 2022 222nd namcartoon06 868 53 2ms 30 Jun 2023 222nd gussy420 868 53 2ms 28 Oct 2023 222nd Szum123321 🇵🇱 868 53 2ms 25 Nov 2023 222nd funnyboy-roks 868 53 2ms 14 Jun 2024 222nd Mychecksdead 868 53 2ms 25 Jul 2024 222nd NickTheEASDude 🇺🇸 868 53 2ms 29 Aug 2024 222nd snyderek 🇺🇸 868 53 2ms 20 Jan 2025 222nd ReterikHub 868 53 2ms 24 Apr 2025 222nd camren-m 868 53 2ms 23 May 2025 222nd arvidjonasson 868 53 1ms 7 Jun 2025 222nd VeryHolyCheeeese 🇫🇮 868 53 2ms 25 Jun 2025 222nd trinityy-7 868 53 2ms 7 Aug 2025 242nd rqberry 852 54 2ms 8 Mar 2023 242nd kyokucyou 🇩🇪 852 54 2ms 13 Mar 2023 242nd nishantc1527 852 54 2ms 5 Apr 2023 242nd Garklein 🇨🇦 852 54 2ms 23 Oct 2023 242nd Stockoh 🇫🇷 852 54 2ms 4 Nov 2024 242nd heanyang1 852 54 2ms 22 Apr 2025 242nd myirci 852 54 2ms 15 Jun 2025 242nd blaztoma 🇱🇹 852 54 2ms 17 Aug 2025 242nd Apataras 852 54 2ms 2 Sep 2025 251st rambox11 836 55 2ms 12 Mar 2019 251st AkashTandon167 836 55 2ms 25 Sep 2019 251st AasiApina 836 55 2ms 28 Jan 2020 251st minarjos 836 55 2ms 12 Jan 2021 251st rak1507 🇬🇧 836 55 1ms 1 Feb 2021 251st boxjelly 836 55 2ms 15 Feb 2021 251st ktiy 836 55 2ms 19 Apr 2021 251st blasio99 836 55 2ms 2 Nov 2021 251st rick-gnous 836 55 3ms 5 Nov 2021 251st LorenzoDeGaspari 836 55 1ms 20 Jun 2022 251st AnnoyedArt1256 836 55 2ms 19 Aug 2022 251st ndren 836 55 2ms 6 Aug 2023 251st triedel42 836 55 5ms 15 May 2024 251st LHLaurini 🇧🇷 836 55 2ms 30 Jun 2024 251st prestosilver 🇺🇸 836 55 2ms 18 Sep 2025 266th alexjlaberge 821 56 2ms 8 Mar 2019 266th serenac26 821 56 2ms 2 May 2019 266th shuding 821 56 2ms 12 May 2020 266th ytaki0801 🇯🇵 821 56 2ms 19 Jun 2021 266th jgbaldwinbrown 821 56 1ms 2 Jul 2021 266th ACMichels 821 56 2ms 13 Aug 2021 266th LordAzyks 🇫🇷 821 56 2ms 30 Jun 2022 266th MCausc78 🇺🇦 821 56 2ms 5 Jan 2023 266th aevykt 821 56 2ms 29 Oct 2023 266th DevinJFarmer 821 56 2ms 29 Oct 2023 266th ashtraypettingzoo 🇺🇸 821 56 2ms 19 Mar 2024 266th 2022dyx 821 56 2ms 19 Jul 2024 266th madeforlosers 821 56 3ms 22 Nov 2024 266th desecaw13 821 56 2ms 24 Jan 2025 266th Emutis 🇱🇹 821 56 1ms 16 Aug 2025 266th ApoChagi 821 56 3ms 30 hours ago 282nd ahenningsen 807 57 2ms 5 May 2019 282nd ieeemma 807 57 2ms 30 Apr 2020 282nd agrukuki 807 57 2ms 20 Sep 2020 282nd ngocbd 🇻🇳 807 57 2ms 25 Sep 2020 282nd iznax 807 57 2ms 16 Oct 2020 282nd b-paul 807 57 2ms 25 Dec 2020 282nd TheHammerBro 807 57 2ms 30 Apr 2021 282nd shibacho 🇯🇵 807 57 2ms 18 Mar 2022 282nd menezesd 807 57 2ms 1 Dec 2022 282nd Ripick 807 57 2ms 30 Apr 2023 282nd imma-Spring 807 57 2ms 2 Nov 2023 282nd rsgray 807 57 2ms 29 Dec 2023 282nd loganmacdougall 🇨🇦 807 57 1ms 19 Jan 2024 282nd jbjd 807 57 2ms 24 Feb 2024 282nd Jigglypuffed 807 57 2ms 15 Jul 2025 282nd KAKISKA-code 🇫🇮 807 57 2ms 24 Sep 2025 282nd solisolu 807 57 2ms 5 days ago 282nd Mabeloid 🇳🇴 807 57 2ms 2 days ago 300th MadMax129 793 58 1ms 25 Dec 2019 First Prev 226–300 of 559 Next Last