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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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) Taxicab Numbers 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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) Taxicab Numbers 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 14th scpchicken 🇵🇼 979 47 2ms 11 days ago 102nd madeve-unipi 958 48 1ms 8 Oct 2019 102nd Alesun 🇮🇹 958 48 1ms 15 Oct 2019 102nd BenAns 958 48 1ms 18 Sep 2020 102nd BBoehm 🇩🇪 958 48 1ms 10 Dec 2020 102nd Indivicivet 958 48 1ms 16 Mar 2021 102nd Stenzel 958 48 1ms 20 Mar 2021 102nd tsunderu 🇯🇵 958 48 1ms 13 Sep 2021 102nd syntax-rules 958 48 1ms 25 Dec 2022 102nd CatsAreFluffy 958 48 1ms 18 Feb 2023 102nd Parma-Jon 958 48 2ms 20 Mar 2023 102nd cesarm4 958 48 1ms 5 May 2023 102nd ognen98 958 48 1ms 10 Jun 2023 102nd southpolenator 958 48 1ms 11 Jun 2023 102nd nyoshe 958 48 1ms 30 Jun 2023 102nd ListeriaM 958 48 1ms 21 Aug 2023 102nd ihebu 🇹🇳 958 48 1ms 20 Dec 2023 102nd YellowBunnyGit 958 48 1ms 28 Dec 2023 102nd retrohun 958 48 1ms 13 Jan 2024 102nd quesswho 🇸🇪 958 48 1ms 31 Mar 2024 102nd Us1ngTh3Hub 958 48 1ms 2 Apr 2024 102nd IlkkaTakala 958 48 2ms 29 Apr 2024 102nd wuzekai518 958 48 1ms 24 Jul 2024 102nd Jacob385 958 48 2ms 30 Jul 2024 102nd rniii 958 48 1ms 24 Sep 2024 102nd plcc0 958 48 1ms 27 Mar 2025 102nd Babafaba 958 48 1ms 23 Oct 2025 102nd peachey2k2 958 48 2ms 22 Nov 2025 102nd Languag3 958 48 2ms 18 Dec 2025 102nd albanian-laundromat 🇺🇸 958 48 2ms 20 Jan 2026 131st DavidSkrundz 939 49 1ms 25 Jan 2020 131st hugohutri 939 49 2ms 28 Jan 2020 131st JuhoHeiskanen 939 49 1ms 19 Feb 2020 131st Sayan505 🇮🇳 939 49 1ms 23 Feb 2020 131st marcin7Cd 939 49 1ms 15 May 2020 131st nexaitch 939 49 1ms 6 Jul 2020 131st nairda1705 939 49 1ms 16 Oct 2020 131st djeedjay 🇳🇱 939 49 1ms 25 Oct 2020 131st elttil 939 49 1ms 1 Feb 2021 131st Re-Adventures 🇮🇳 939 49 1ms 13 Apr 2021 131st Spruill-1 939 49 1ms 1 Sep 2021 131st Waffle3z 939 49 1ms 2 Sep 2021 131st MichaelMBradley 🇨🇦 939 49 1ms 21 Mar 2022 131st orthoplex 🇨🇽 939 49 1ms 6 Apr 2022 131st solmyr2000 939 49 1ms 18 Jun 2022 131st michael-pruglo 🇺🇦 939 49 1ms 13 Jul 2022 131st jhpaques 🇫🇷 939 49 1ms 3 Dec 2022 131st cmayer777 939 49 1ms 6 Jan 2023 131st tailorspy 939 49 2ms 14 Sep 2023 131st Vinterion 939 49 1ms 5 Nov 2023 131st RealAMC 🇳🇿 939 49 2ms 24 Nov 2023 131st oceko 939 49 1ms 13 Feb 2024 131st dokutan 939 49 1ms 13 Jul 2024 131st error256 939 49 1ms 29 Aug 2024 131st CaedenHarper 🇨🇦 939 49 1ms 16 Oct 2024 131st kdx2a 939 49 2ms 18 Dec 2024 131st stackofbears 939 49 1ms 20 Jan 2025 131st TeodorDyakov 🇧🇬 939 49 1ms 3 Mar 2025 131st 5quiwyrm 939 49 2ms 28 Jul 2025 131st Andrey2001 939 49 1ms 25 Nov 2025 131st matricronia 939 49 2ms 1 Feb 2026 162nd osmith93 920 50 1ms 31 Mar 2019 162nd kevokevol 920 50 1ms 28 Apr 2019 162nd AaronGarbut 920 50 1ms 1 Aug 2019 162nd xenophobia 920 50 1ms 13 Aug 2019 162nd bengsparks 920 50 1ms 24 Jan 2020 162nd paralysedforce 920 50 1ms 6 Dec 2020 162nd gastropner 920 50 1ms 23 Dec 2020 162nd SnapDragon64 920 50 1ms 3 Feb 2021 162nd guliyevemil1 🇦🇿 920 50 1ms 3 Feb 2021 162nd ccecka 920 50 1ms 27 Aug 2021 162nd ColesHoles 920 50 1ms 6 Oct 2021 162nd tegenton 920 50 2ms 6 Oct 2021 162nd Hecate2 920 50 1ms 26 Oct 2021 162nd yzkonchain 920 50 1ms 26 Oct 2021 162nd thebuilder6 🇺🇸 920 50 2ms 22 Nov 2021 162nd simon-biber 920 50 1ms 5 Feb 2022 162nd MinorLegato 🇸🇪 920 50 1ms 5 May 2022 162nd kskjer 920 50 1ms 12 Jun 2022 162nd ColeBardin 920 50 1ms 30 Jul 2022 162nd astdefu 920 50 1ms 10 Dec 2022 162nd Grrisly 920 50 1ms 3 Nov 2023 162nd Noam527 920 50 1ms 4 Apr 2024 162nd Emsa001 920 50 1ms 18 May 2024 162nd not-a-pokemon 920 50 1ms 14 May 2025 162nd CheeseCake628 🇳🇴 920 50 2ms 6 Jan 2026 162nd FoxInTheClouds 920 50 2ms 15 Feb 2026 162nd zgialor-lab 920 50 2ms 5 days ago 189th bac0id 902 51 1ms 11 Jul 2020 189th atakan-se 902 51 1ms 24 Sep 2020 189th iannisdezwart 🇳🇱 902 51 1ms 1 Feb 2021 189th jeremy-murphy 902 51 1ms 20 Mar 2021 189th Heathcorp 🇦🇺 902 51 1ms 31 Mar 2022 189th warmCabin 902 51 1ms 9 Apr 2022 189th ibexq 902 51 1ms 30 Sep 2022 189th aksyristos 902 51 2ms 17 Jan 2023 189th annoj 902 51 1ms 18 Jan 2023 189th Cloakless 🇬🇧 902 51 1ms 17 Feb 2023 189th olishenton 902 51 1ms 17 Feb 2023 189th Tavress 902 51 1ms 11 May 2023 First Prev 101–200 of 606 Next Last