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 (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 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 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 Chars Time Submitted 289th loganmacdougall 🇨🇦 789 57 1ms 19 Jan 2024 289th jbjd 789 57 2ms 24 Feb 2024 289th Jigglypuffed 789 57 2ms 15 Jul 2025 289th KAKISKA-code 🇫🇮 789 57 2ms 24 Sep 2025 289th FortuiteMan 🇫🇷 789 57 2ms 9 days ago 306th MadMax129 776 58 1ms 25 Dec 2019 306th bastienvoirin 🇫🇷 776 58 2ms 24 Apr 2020 306th iddoroshenko 776 58 2ms 27 Jul 2020 306th LexouDuck 776 58 2ms 24 Oct 2020 306th KatieLG 🇬🇧 776 58 2ms 19 Jun 2021 306th AIn0n 776 58 2ms 11 Jul 2021 306th garrisonhh 776 58 2ms 15 Aug 2021 306th bakaq 776 58 2ms 9 Nov 2021 306th MichalMarsalek 🇨🇿 776 58 2ms 18 Aug 2022 306th Baxi-codes 776 58 2ms 25 Dec 2022 306th kallmi28 🇨🇿 776 58 2ms 20 Oct 2023 306th Maximizer02 776 58 2ms 1 Mar 2024 318th archee303 763 59 2ms 5 Feb 2020 318th SubsTheTechnomancer 763 59 2ms 22 Apr 2021 318th matricronia 763 59 2ms 27 May 2021 318th kayahr 763 59 2ms 18 Jun 2021 318th wansacis 🇩🇪 763 59 2ms 20 Aug 2021 318th VictorChemin 🇫🇷 763 59 2ms 24 Nov 2021 318th aguyon1 763 59 2ms 17 Jun 2023 318th 1231234md5 🇨🇳 763 59 3ms 20 Jan 2024 318th yuchuehw 763 59 2ms 6 Jun 2024 318th xyangst 763 59 2ms 15 Oct 2024 318th Maashau 763 59 2ms 8 days ago 329th shaneliu-zf 🇹🇼 750 60 2ms 6 Jul 2020 329th pkasting 750 60 2ms 6 Sep 2020 329th heypwesto 🇳🇿 750 60 2ms 20 Apr 2021 329th lesserfish 750 60 1ms 7 May 2021 329th Waterperry 750 60 2ms 2 Nov 2021 329th lemogne 750 60 2ms 13 Nov 2021 329th ClementCarre-BionomeeX 750 60 4ms 17 Nov 2021 329th stellartux 750 60 2ms 24 Dec 2023 329th kasarino 750 60 2ms 9 days ago 338th dc03 738 61 2ms 13 Sep 2020 338th Non-J 738 61 2ms 27 Sep 2020 338th isaiah0311 738 61 2ms 16 Feb 2023 338th inverseLorentz 🇦🇺 738 61 2ms 12 Oct 2023 338th logvp 738 61 1ms 1 Feb 2024 338th h-hh-hhh 🇺🇦 738 61 2ms 2 Nov 2024 338th wh3n3v3r 🇨🇿 738 61 2ms 15 Nov 2024 338th mttcrn 738 61 2ms 22 Mar 2025 346th uier 726 62 2ms 28 Dec 2019 346th jakingy 726 62 2ms 8 Jul 2020 346th aliakseikalosha 726 62 2ms 25 Apr 2021 346th rchalamala 726 62 2ms 7 Aug 2021 346th Omega65536 🇩🇪 726 62 2ms 8 Jul 2022 346th TheRealOhead 🇺🇸 726 62 2ms 28 Nov 2022 346th n8pjl 726 62 2ms 29 Oct 2023 346th andrewjc2000 726 62 2ms 7 Mar 2025 346th matejmatik123 🇸🇰 726 62 2ms 27 Jun 2025 346th gigaprofisi 🇺🇸 726 62 2ms 21 days ago 356th Tilka 714 63 2ms 3 May 2021 356th petreleon 714 63 2ms 20 Oct 2021 356th heabr12 714 63 2ms 6 Sep 2024 359th lukasmoellerch 703 64 2ms 3 May 2021 359th bijlpieter 703 64 2ms 19 Nov 2021 359th BruceMcRooster 703 64 2ms 25 Mar 2022 359th 201170 703 64 2ms 29 Jul 2022 359th H3Rol4x 703 64 2ms 5 Jan 2023 359th galloj 🇨🇿 703 64 2ms 7 Feb 2023 359th elektricM 703 64 2ms 22 Sep 2023 359th jacekwladzinski 703 64 2ms 2 Oct 2025 359th GodlyProgrammer1 703 64 2ms 22 days ago 368th Batzuga 692 65 2ms 10 Sep 2019 368th loooph 692 65 2ms 2 Aug 2020 368th CaraCompSci 692 65 2ms 10 Oct 2020 368th b10011 🇫🇮 692 65 2ms 3 Jan 2023 368th calinous 🇷🇴 692 65 2ms 27 Feb 2023 368th rifatx 692 65 2ms 24 Jul 2024 368th mhgockel 692 65 2ms 21 Jun 2025 375th citsur 682 66 2ms 1 Jun 2019 First Prev 301–375 of 571 Next Last