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 291st Ripick 789 57 1ms 30 Apr 2023 291st imma-Spring 789 57 1ms 2 Nov 2023 291st rsgray 789 57 2ms 29 Dec 2023 291st loganmacdougall 🇨🇦 789 57 1ms 19 Jan 2024 291st jbjd 789 57 1ms 24 Feb 2024 291st Jigglypuffed 789 57 1ms 15 Jul 2025 291st KAKISKA-code 🇫🇮 789 57 1ms 24 Sep 2025 291st FortuiteMan 🇫🇷 789 57 2ms 10 days ago 309th MadMax129 776 58 2ms 25 Dec 2019 309th bastienvoirin 🇫🇷 776 58 1ms 24 Apr 2020 309th iddoroshenko 776 58 1ms 27 Jul 2020 309th LexouDuck 776 58 1ms 24 Oct 2020 309th Evoniuk 776 58 1ms 30 May 2021 309th KatieLG 🇬🇧 776 58 2ms 19 Jun 2021 309th AIn0n 776 58 2ms 11 Jul 2021 309th garrisonhh 776 58 2ms 15 Aug 2021 309th bakaq 776 58 1ms 9 Nov 2021 309th MichalMarsalek 🇨🇿 776 58 1ms 18 Aug 2022 309th Baxi-codes 776 58 1ms 25 Dec 2022 309th kallmi28 🇨🇿 776 58 2ms 20 Oct 2023 309th Maximizer02 776 58 2ms 1 Mar 2024 322nd archee303 763 59 1ms 5 Feb 2020 322nd SubsTheTechnomancer 763 59 1ms 22 Apr 2021 322nd matricronia 763 59 1ms 27 May 2021 322nd kayahr 763 59 2ms 18 Jun 2021 322nd wansacis 🇩🇪 763 59 2ms 20 Aug 2021 322nd VictorChemin 🇫🇷 763 59 1ms 24 Nov 2021 322nd aguyon1 763 59 1ms 17 Jun 2023 322nd 1231234md5 🇨🇳 763 59 1ms 20 Jan 2024 322nd yuchuehw 763 59 2ms 6 Jun 2024 322nd xyangst 763 59 2ms 15 Oct 2024 322nd Maashau 763 59 2ms 8 days ago 333rd shaneliu-zf 🇹🇼 750 60 1ms 6 Jul 2020 333rd pkasting 750 60 2ms 6 Sep 2020 333rd heypwesto 🇳🇿 750 60 1ms 20 Apr 2021 333rd lesserfish 750 60 2ms 7 May 2021 333rd Waterperry 750 60 1ms 2 Nov 2021 333rd lemogne 750 60 1ms 13 Nov 2021 333rd ClementCarre-BionomeeX 750 60 1ms 17 Nov 2021 333rd stellartux 750 60 1ms 24 Dec 2023 333rd kasarino 750 60 2ms 10 days ago 342nd dc03 738 61 2ms 13 Sep 2020 342nd Non-J 738 61 1ms 27 Sep 2020 342nd isaiah0311 738 61 2ms 16 Feb 2023 342nd inverseLorentz 🇦🇺 738 61 1ms 12 Oct 2023 342nd logvp 738 61 1ms 1 Feb 2024 342nd h-hh-hhh 🇺🇦 738 61 1ms 2 Nov 2024 342nd wh3n3v3r 🇨🇿 738 61 1ms 15 Nov 2024 342nd mttcrn 738 61 3ms 22 Mar 2025 350th uier 726 62 1ms 28 Dec 2019 350th jakingy 726 62 1ms 8 Jul 2020 350th aliakseikalosha 726 62 1ms 25 Apr 2021 350th rchalamala 726 62 1ms 7 Aug 2021 350th Omega65536 🇩🇪 726 62 1ms 8 Jul 2022 350th TheRealOhead 🇺🇸 726 62 1ms 28 Nov 2022 350th n8pjl 726 62 2ms 29 Oct 2023 350th andrewjc2000 726 62 2ms 7 Mar 2025 350th matejmatik123 🇸🇰 726 62 2ms 27 Jun 2025 350th gigaprofisi 🇺🇸 726 62 2ms 22 days ago 360th Tilka 714 63 2ms 3 May 2021 360th petreleon 714 63 4ms 20 Oct 2021 360th heabr12 714 63 1ms 6 Sep 2024 363rd lukasmoellerch 703 64 2ms 3 May 2021 363rd bijlpieter 703 64 2ms 19 Nov 2021 363rd BruceMcRooster 703 64 2ms 25 Mar 2022 363rd 201170 703 64 1ms 29 Jul 2022 363rd H3Rol4x 703 64 1ms 5 Jan 2023 363rd galloj 🇨🇿 703 64 2ms 7 Feb 2023 363rd elektricM 703 64 1ms 22 Sep 2023 363rd jacekwladzinski 703 64 1ms 2 Oct 2025 363rd GodlyProgrammer1 703 64 2ms 23 days ago 372nd Batzuga 692 65 1ms 10 Sep 2019 372nd rosvik 🇳🇴 692 65 1ms 29 Apr 2020 372nd loooph 692 65 1ms 2 Aug 2020 372nd tfkls 692 65 2ms 18 Aug 2020 First Prev 301–375 of 590 Next Last