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 Calendar 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 Multitap Input Musical Chords N Queens Niven 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Gray Code Encoder Hexagonal Spiral Highly Composite Numbers 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 ArkScript 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 ArkScript 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 Calendar 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 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) 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 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 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 Chars Time Submitted 316th KatieLG 🇬🇧 776 58 2ms 19 Jun 2021 316th AIn0n 776 58 2ms 11 Jul 2021 316th garrisonhh 776 58 2ms 15 Aug 2021 316th bakaq 776 58 1ms 9 Nov 2021 316th MichalMarsalek 🇨🇿 776 58 1ms 18 Aug 2022 316th Baxi-codes 776 58 1ms 25 Dec 2022 316th kallmi28 🇨🇿 776 58 2ms 20 Oct 2023 316th 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352nd Non-J 738 61 1ms 27 Sep 2020 352nd inverseLorentz 🇦🇺 738 61 1ms 12 Oct 2023 352nd logvp 738 61 1ms 1 Feb 2024 352nd h-hh-hhh 🇺🇦 738 61 1ms 2 Nov 2024 352nd wh3n3v3r 🇨🇿 738 61 1ms 15 Nov 2024 352nd mttcrn 738 61 3ms 22 Mar 2025 359th uier 726 62 1ms 28 Dec 2019 359th jakingy 726 62 1ms 8 Jul 2020 359th aliakseikalosha 726 62 1ms 25 Apr 2021 359th rchalamala 726 62 1ms 7 Aug 2021 359th Omega65536 🇩🇪 726 62 1ms 8 Jul 2022 359th TheRealOhead 🇺🇸 726 62 1ms 28 Nov 2022 359th n8pjl 726 62 2ms 29 Oct 2023 359th andrewjc2000 726 62 2ms 7 Mar 2025 359th matejmatik123 🇸🇰 726 62 2ms 27 Jun 2025 359th gigaprofisi 🇺🇸 726 62 2ms 15 Nov 2025 369th Tilka 714 63 2ms 3 May 2021 369th petreleon 714 63 4ms 20 Oct 2021 369th heabr12 714 63 1ms 6 Sep 2024 372nd lukasmoellerch 703 64 2ms 3 May 2021 372nd bijlpieter 703 64 2ms 19 Nov 2021 372nd BruceMcRooster 703 64 2ms 25 Mar 2022 372nd 201170 703 64 1ms 29 Jul 2022 372nd H3Rol4x 703 64 1ms 5 Jan 2023 372nd galloj 🇨🇿 703 64 2ms 7 Feb 2023 372nd elektricM 703 64 1ms 22 Sep 2023 372nd jacekwladzinski 703 64 1ms 2 Oct 2025 372nd GodlyProgrammer1 703 64 2ms 15 Nov 2025 381st Batzuga 692 65 1ms 10 Sep 2019 381st rosvik 🇳🇴 692 65 1ms 29 Apr 2020 381st loooph 692 65 1ms 2 Aug 2020 381st tfkls 692 65 2ms 18 Aug 2020 381st CaraCompSci 692 65 2ms 10 Oct 2020 381st sech1p 🇵🇱 692 65 2ms 30 Oct 2021 381st b10011 🇫🇮 692 65 2ms 3 Jan 2023 381st calinous 🇷🇴 692 65 1ms 27 Feb 2023 381st rifatx 692 65 1ms 24 Jul 2024 381st mhgockel 692 65 1ms 21 Jun 2025 391st citsur 682 66 1ms 1 Jun 2019 391st generot 🇧🇬 682 66 2ms 9 Apr 2020 391st resetcentral 682 66 2ms 22 May 2022 391st destofr 682 66 2ms 23 Aug 2022 391st piano-miles 682 66 2ms 30 Mar 2023 391st mikiymk 682 66 2ms 21 Sep 2023 391st feherd 682 66 2ms 16 Nov 2023 391st Just4FunCoder 682 66 1ms 26 Aug 2024 391st muser-logiccpu 🇺🇦 682 66 1ms 21 Aug 2025 400th asadullayev 672 67 1ms 9 Dec 2020 First Prev 321–400 of 600 Next Last