Fibonacci 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 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Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 126th CaedenHarper 🇨🇦 939 49 2ms 16 Oct 2024 126th kdx2a 939 49 2ms 18 Dec 2024 126th stackofbears 939 49 2ms 20 Jan 2025 126th TeodorDyakov 🇧🇬 939 49 1ms 3 Mar 2025 126th 5quiwyrm 939 49 2ms 28 Jul 2025 126th Yax42 🇫🇷 939 49 2ms 9 Oct 2025 126th Andrey2001 939 49 2ms 84 mins ago 158th osmith93 920 50 2ms 31 Mar 2019 158th kevokevol 920 50 1ms 28 Apr 2019 158th AaronGarbut 920 50 2ms 1 Aug 2019 158th xenophobia 920 50 2ms 13 Aug 2019 158th bengsparks 920 50 2ms 24 Jan 2020 158th paralysedforce 920 50 4ms 6 Dec 2020 158th gastropner 920 50 2ms 23 Dec 2020 158th SnapDragon64 920 50 2ms 3 Feb 2021 158th guliyevemil1 🇦🇿 920 50 2ms 3 Feb 2021 158th ccecka 920 50 2ms 27 Aug 2021 158th ColesHoles 920 50 2ms 6 Oct 2021 158th tegenton 920 50 2ms 6 Oct 2021 158th Hecate2 920 50 2ms 26 Oct 2021 158th yzkonchain 920 50 2ms 26 Oct 2021 158th thebuilder6 🇺🇸 920 50 2ms 22 Nov 2021 158th simon-biber 920 50 2ms 5 Feb 2022 158th MinorLegato 🇸🇪 920 50 2ms 5 May 2022 158th kskjer 920 50 2ms 12 Jun 2022 158th ColeBardin 920 50 2ms 30 Jul 2022 158th astdefu 920 50 2ms 10 Dec 2022 158th Grrisly 920 50 2ms 3 Nov 2023 158th Noam527 920 50 2ms 4 Apr 2024 158th Emsa001 920 50 2ms 18 May 2024 158th not-a-pokemon 920 50 2ms 14 May 2025 182nd bac0id 902 51 2ms 11 Jul 2020 182nd atakan-se 902 51 2ms 24 Sep 2020 182nd iannisdezwart 🇳🇱 902 51 2ms 1 Feb 2021 182nd jeremy-murphy 902 51 2ms 20 Mar 2021 182nd Heathcorp 🇦🇺 902 51 2ms 31 Mar 2022 182nd warmCabin 902 51 2ms 9 Apr 2022 182nd ibexq 902 51 2ms 30 Sep 2022 182nd aksyristos 902 51 2ms 17 Jan 2023 182nd annoj 902 51 3ms 18 Jan 2023 182nd Cloakless 🇬🇧 902 51 2ms 17 Feb 2023 182nd olishenton 902 51 2ms 17 Feb 2023 182nd Tavress 902 51 2ms 11 May 2023 182nd annaproxy 902 51 2ms 18 May 2023 182nd funnsam 🇭🇰 902 51 2ms 12 Jun 2023 182nd sona-tau 902 51 2ms 26 Aug 2023 182nd jacobly0 🇺🇸 902 51 2ms 4 Sep 2023 182nd Kesefon 902 51 1ms 24 Oct 2023 182nd elgan65536 902 51 2ms 11 Nov 2023 182nd Xzyaihni 902 51 2ms 26 Apr 2024 182nd 0scarB 902 51 2ms 15 Jun 2024 182nd hrrs01 902 51 2ms 20 Aug 2024 182nd LostSyntax21 🇬🇧 902 51 1ms 10 Sep 2024 182nd bo1led-owl 902 51 2ms 14 Sep 2024 182nd SirObby 🇫🇮 902 51 2ms 26 Jun 2025 206th clementblaudeau 885 52 2ms 7 Jun 2021 206th yudi-matsuzake 885 52 2ms 11 Aug 2021 206th Bobini1 🇵🇱 885 52 2ms 29 Oct 2021 206th wirewolf010 885 52 2ms 6 Jan 2022 206th CedricGebistorf 885 52 2ms 4 Mar 2022 206th Anonymousellama21 885 52 3ms 8 Jun 2022 206th jupj 🇫🇮 885 52 2ms 12 Aug 2022 206th slerpyyy 🇩🇪 885 52 2ms 21 Oct 2022 206th thatbirdguythatuknownot 885 52 2ms 8 Jan 2023 206th LogicalJoe 885 52 2ms 18 Mar 2023 206th yzhs 🇩🇪 885 52 2ms 23 Jun 2023 206th weliveinhell 🇭🇹 885 52 2ms 28 Dec 2023 206th ngthanhtrung23 885 52 2ms 7 Mar 2024 206th voytxt 🇨🇿 885 52 1ms 11 Mar 2024 206th HumanoidCPU 885 52 2ms 16 Mar 2024 206th ibrahimhanifceker 885 52 2ms 9 Aug 2024 206th kTheLemon 885 52 2ms 16 Mar 2025 206th Blendi-Goose 885 52 2ms 16 Mar 2025 206th Lv0Sys 🇵🇱 885 52 2ms 30 May 2025 206th prestosilver 🇺🇸 885 52 2ms 4 days ago First Prev 151–225 of 566 Next Last