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 (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 12th Luca2812 979 47 1ms 1 Mar 2024 12th neel11235813 979 47 2ms 26 Mar 2024 12th Mandrzejy 🇵🇱 979 47 1ms 1 Apr 2024 12th Herbert00709 🇵🇱 979 47 2ms 1 Apr 2024 12th Flying-Toast 979 47 2ms 25 Apr 2024 12th jipsong 🇩🇪 979 47 2ms 1 Jul 2024 12th Kacarott 🇦🇺 979 47 1ms 29 Aug 2024 12th edsrzf 🇳🇿 979 47 2ms 12 Sep 2024 12th pardouin 🇫🇷 979 47 1ms 22 Sep 2024 12th SimBys 979 47 1ms 22 Oct 2024 12th AdrienHache 🇫🇷 979 47 1ms 16 Dec 2024 12th kaurakeksi 🇫🇮 979 47 2ms 29 Dec 2024 12th rucin93 🇵🇱 979 47 1ms 16 Jan 2025 12th Natanaelel 🇸🇪 979 47 1ms 24 Jan 2025 12th Iznoanygod 🇺🇸 979 47 2ms 16 Apr 2025 12th b-illy 🇬🇧 979 47 2ms 31 May 2025 12th emgordon154 979 47 2ms 1 Jun 2025 12th oscargeerts 979 47 2ms 23 Jun 2025 12th iczelia 🇩🇪 979 47 1ms 16 Oct 2025 12th luuumine 🇫🇷 979 47 2ms 23 Oct 2025 12th ansgustjd 979 47 2ms 5 Nov 2025 12th cefqrn 979 47 1ms 17 Nov 2025 12th solisolu 979 47 2ms 27 days ago 12th bzd7 979 47 2ms 10 days ago 100th madeve-unipi 958 48 1ms 8 Oct 2019 100th Alesun 🇮🇹 958 48 1ms 15 Oct 2019 100th BenAns 958 48 1ms 18 Sep 2020 100th BBoehm 🇩🇪 958 48 1ms 10 Dec 2020 100th Indivicivet 958 48 2ms 16 Mar 2021 100th Stenzel 958 48 1ms 20 Mar 2021 100th tsunderu 🇯🇵 958 48 1ms 13 Sep 2021 100th syntax-rules 958 48 1ms 25 Dec 2022 100th CatsAreFluffy 958 48 2ms 18 Feb 2023 100th Parma-Jon 958 48 2ms 20 Mar 2023 100th cesarm4 958 48 1ms 5 May 2023 100th ognen98 958 48 2ms 10 Jun 2023 100th southpolenator 958 48 1ms 11 Jun 2023 100th nyoshe 958 48 2ms 30 Jun 2023 100th ListeriaM 958 48 1ms 21 Aug 2023 100th ihebu 🇹🇳 958 48 1ms 20 Dec 2023 100th YellowBunnyGit 958 48 1ms 28 Dec 2023 100th retrohun 958 48 1ms 13 Jan 2024 100th quesswho 🇸🇪 958 48 1ms 31 Mar 2024 100th Us1ngTh3Hub 958 48 1ms 2 Apr 2024 100th IlkkaTakala 958 48 2ms 29 Apr 2024 100th wuzekai518 958 48 2ms 24 Jul 2024 100th Jacob385 958 48 2ms 30 Jul 2024 100th rniii 958 48 1ms 24 Sep 2024 100th plcc0 958 48 2ms 27 Mar 2025 100th Babafaba 958 48 1ms 23 Oct 2025 100th peachey2k2 958 48 2ms 25 days ago 100th Languag3 958 48 2ms 2 hours ago 128th DavidSkrundz 939 49 2ms 25 Jan 2020 128th hugohutri 939 49 2ms 28 Jan 2020 128th JuhoHeiskanen 939 49 1ms 19 Feb 2020 128th Sayan505 🇮🇳 939 49 1ms 23 Feb 2020 128th marcin7Cd 939 49 1ms 15 May 2020 128th nexaitch 939 49 2ms 6 Jul 2020 128th nairda1705 939 49 1ms 16 Oct 2020 128th djeedjay 🇳🇱 939 49 2ms 25 Oct 2020 128th elttil 939 49 1ms 1 Feb 2021 128th Re-Adventures 🇮🇳 939 49 1ms 13 Apr 2021 128th Spruill-1 939 49 1ms 1 Sep 2021 128th Waffle3z 939 49 1ms 2 Sep 2021 128th MichaelMBradley 🇨🇦 939 49 2ms 21 Mar 2022 128th orthoplex 🇨🇽 939 49 2ms 6 Apr 2022 128th solmyr2000 939 49 1ms 18 Jun 2022 128th michael-pruglo 🇺🇦 939 49 1ms 13 Jul 2022 128th jhpaques 🇫🇷 939 49 1ms 3 Dec 2022 128th cmayer777 939 49 2ms 6 Jan 2023 128th scpchicken 🇵🇼 939 49 1ms 8 Jan 2023 128th tailorspy 939 49 2ms 14 Sep 2023 128th Vinterion 939 49 1ms 5 Nov 2023 128th RealAMC 🇳🇿 939 49 2ms 24 Nov 2023 128th oceko 939 49 1ms 13 Feb 2024 First Prev 76–150 of 593 Next Last
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