Fibonacci in C in chars. 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 Chars Time Submitted 208th trinityy-7 865 52 2ms 7 Aug 2025 208th prestosilver 🇺🇸 865 52 2ms 4 days ago 228th AbhayAravinda 849 53 2ms 26 Jul 2020 228th neihousaigaai 849 53 2ms 8 May 2021 228th mohakkhowal 849 53 2ms 30 May 2021 228th puyuliao 849 53 1ms 26 Jul 2021 228th Bubbler-4 849 53 2ms 3 Nov 2021 228th c0d3-4-F00d 🇩🇪 849 53 6ms 6 Jan 2022 228th Gosefu 849 53 2ms 13 Jul 2022 228th raphaelimahorn 849 53 1ms 3 Oct 2022 228th namcartoon06 849 53 2ms 30 Jun 2023 228th Szum123321 🇵🇱 849 53 2ms 25 Nov 2023 228th funnyboy-roks 849 53 2ms 14 Jun 2024 228th Mychecksdead 849 53 2ms 25 Jul 2024 228th NickTheEASDude 🇺🇸 849 53 2ms 29 Aug 2024 228th snyderek 🇺🇸 849 53 2ms 20 Jan 2025 228th ReterikHub 849 53 2ms 24 Apr 2025 228th camren-m 849 53 2ms 23 May 2025 228th arvidjonasson 849 53 1ms 7 Jun 2025 228th VeryHolyCheeeese 🇫🇮 849 53 2ms 25 Jun 2025 246th rqberry 833 54 2ms 8 Mar 2023 246th kyokucyou 🇩🇪 833 54 2ms 13 Mar 2023 246th nishantc1527 833 54 2ms 5 Apr 2023 246th Garklein 🇨🇦 833 54 2ms 23 Oct 2023 246th LHLaurini 🇧🇷 833 54 1ms 30 Jun 2024 246th Stockoh 🇫🇷 833 54 2ms 4 Nov 2024 246th heanyang1 833 54 2ms 22 Apr 2025 246th myirci 833 54 2ms 15 Jun 2025 246th blaztoma 🇱🇹 833 54 2ms 17 Aug 2025 246th Apataras 833 54 2ms 2 Sep 2025 256th rambox11 818 55 2ms 12 Mar 2019 256th AkashTandon167 818 55 2ms 25 Sep 2019 256th AasiApina 818 55 2ms 28 Jan 2020 256th minarjos 818 55 2ms 12 Jan 2021 256th rak1507 🇬🇧 818 55 1ms 1 Feb 2021 256th boxjelly 818 55 2ms 15 Feb 2021 256th ktiy 818 55 2ms 19 Apr 2021 256th blasio99 818 55 2ms 2 Nov 2021 256th rick-gnous 818 55 3ms 5 Nov 2021 256th LorenzoDeGaspari 818 55 1ms 20 Jun 2022 256th AnnoyedArt1256 818 55 2ms 19 Aug 2022 256th ndren 818 55 2ms 6 Aug 2023 256th triedel42 818 55 5ms 15 May 2024 256th Mabeloid 🇳🇴 818 55 2ms 23 Oct 2025 270th alexjlaberge 804 56 2ms 8 Mar 2019 270th serenac26 804 56 2ms 2 May 2019 270th shuding 804 56 2ms 12 May 2020 270th ytaki0801 🇯🇵 804 56 2ms 19 Jun 2021 270th jgbaldwinbrown 804 56 1ms 2 Jul 2021 270th ACMichels 804 56 2ms 13 Aug 2021 270th LordAzyks 🇫🇷 804 56 2ms 30 Jun 2022 270th MCausc78 🇺🇦 804 56 2ms 5 Jan 2023 270th aevykt 804 56 2ms 29 Oct 2023 270th DevinJFarmer 804 56 2ms 29 Oct 2023 270th ashtraypettingzoo 🇺🇸 804 56 2ms 19 Mar 2024 270th 2022dyx 804 56 2ms 19 Jul 2024 270th madeforlosers 804 56 3ms 22 Nov 2024 270th desecaw13 804 56 2ms 24 Jan 2025 270th Emutis 🇱🇹 804 56 1ms 16 Aug 2025 270th ApoChagi 804 56 3ms 21 Oct 2025 270th deglebe 804 56 2ms 22 days ago 287th ahenningsen 789 57 2ms 5 May 2019 287th ieeemma 789 57 2ms 30 Apr 2020 287th agrukuki 789 57 2ms 20 Sep 2020 287th ngocbd 🇻🇳 789 57 2ms 25 Sep 2020 287th iznax 789 57 2ms 16 Oct 2020 287th b-paul 789 57 2ms 25 Dec 2020 287th TheHammerBro 789 57 2ms 30 Apr 2021 287th shibacho 🇯🇵 789 57 2ms 18 Mar 2022 287th menezesd 789 57 2ms 1 Dec 2022 287th Ripick 789 57 2ms 30 Apr 2023 287th imma-Spring 789 57 2ms 2 Nov 2023 287th rsgray 789 57 2ms 29 Dec 2023 287th loganmacdougall 🇨🇦 789 57 1ms 19 Jan 2024 287th jbjd 789 57 2ms 24 Feb 2024 First Prev 226–300 of 567 Next Last