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 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 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 370th feherd 682 66 2ms 16 Nov 2023 370th Just4FunCoder 682 66 2ms 26 Aug 2024 370th FortuiteMan 🇫🇷 682 66 1ms 30 Sep 2024 370th Upload-and-View 🇺🇦 682 66 2ms 21 Aug 2025 380th asadullayev 672 67 2ms 9 Dec 2020 380th godraadam 672 67 2ms 13 Apr 2021 380th Xwilarg 🇫🇷 672 67 2ms 17 Nov 2021 380th michatmon 672 67 3ms 11 Jan 2022 380th martinnorling 🇸🇪 672 67 2ms 8 Feb 2022 380th JasonRaubenheimer 672 67 2ms 8 Jul 2023 380th jtaxen 672 67 2ms 26 Apr 2024 380th CutSandstone 672 67 1ms 5 Jul 2024 388th pingu19 662 68 2ms 16 Oct 2019 388th mxchen2001 662 68 2ms 18 Nov 2020 388th LeeCamp 662 68 2ms 28 Apr 2022 388th esseeffeenne 662 68 2ms 6 Jun 2022 388th GameChaos 662 68 2ms 16 Jun 2022 393rd TornadoCookie 652 69 2ms 17 Oct 2022 393rd xnacly 🇩🇪 652 69 2ms 30 Jun 2023 393rd Pyro569 652 69 2ms 30 Jul 2023 393rd eiburns 652 69 2ms 7 Sep 2023 393rd CheeseCake628 🇳🇴 652 69 2ms 11 Oct 2023 393rd viitanet 652 69 2ms 22 Oct 2023 393rd hacker112 🇸🇪 652 69 2ms 12 Jun 2024 393rd msbranicky 652 69 2ms 3 Jul 2024 393rd SwordF-Official 652 69 2ms 3 Jun 2025 393rd Alex-Huggett 🇬🇧 652 69 2ms 13 Sep 2025 403rd PatrickLove 643 70 6ms 26 Jun 2019 403rd furokku 643 70 2ms 14 Feb 2021 403rd gabe-gallegos 643 70 2ms 25 Mar 2025 403rd RYSF13 🇨🇳 643 70 3ms 19 Jul 2025 407th jackrosenb 634 71 2ms 7 Oct 2020 407th yoshykai 634 71 2ms 16 Jun 2023 407th jccummi1 634 71 2ms 29 Oct 2023 407th LawrenceZ1A 🇨🇦 634 71 2ms 25 Feb 2024 407th nstearns96 🇬🇧 634 71 2ms 13 Sep 2024 412th kendstott 625 72 1ms 25 Jun 2019 412th mqyhlkahu 625 72 2ms 10 Sep 2023 412th 0dyse 625 72 2ms 6 May 2025 415th DrProfPatPending 616 73 2ms 25 Jun 2019 415th nwdamgaard 616 73 2ms 19 Dec 2021 415th kellantech 616 73 2ms 2 Jun 2023 415th albanian-laundromat 616 73 2ms 14 days ago 419th willpiam 608 74 5ms 21 Sep 2021 419th dillon-duncando 608 74 2ms 24 Dec 2021 419th Vexxter9 🇳🇱 608 74 2ms 20 Sep 2024 422nd KiwiKoder0123 600 75 2ms 28 Jun 2019 422nd StHagel 600 75 2ms 25 May 2023 422nd Azearia 600 75 2ms 9 Aug 2023 422nd NDR0216 🇹🇼 600 75 12ms 8 May 2024 422nd RedzGoose 🇦🇺 600 75 2ms 19 Sep 2024 422nd Sciman101 600 75 2ms 26 Mar 2025 428th HectorPeeters 592 76 11ms 26 Mar 2021 428th opsiff 592 76 2ms 8 Aug 2021 428th iwalker2702 592 76 2ms 9 Nov 2021 428th GreenBeansAgainstVeganism 592 76 11ms 28 May 2022 428th james-downey 592 76 11ms 14 Jul 2022 428th DaCuteRaccoon 592 76 2ms 12 Dec 2022 428th NeatCrown 🇨🇦 592 76 2ms 14 Dec 2022 428th tvcv901 592 76 12ms 22 Mar 2023 428th hjcafaroUC 592 76 2ms 5 Aug 2023 428th ridingqwerty 🇺🇸 592 76 12ms 21 Dec 2023 438th ramytarchichy 584 77 13ms 22 Jun 2019 438th EnergeticBark 584 77 2ms 14 Jul 2019 438th jngbsn 584 77 2ms 30 Jun 2020 438th ei14 584 77 14ms 23 Jun 2021 438th mickmurci 584 77 12ms 7 Apr 2023 438th IdkWhatIsIdk 584 77 2ms 27 Nov 2024 444th DeepuBenson 577 78 2ms 27 Mar 2020 444th dev-loop0 577 78 2ms 20 Aug 2020 444th oschmidh 577 78 11ms 18 Nov 2020 444th muztanger 577 78 2ms 1 Jan 2021 444th 444nuits 577 78 13ms 31 Jan 2022 444th junten1 577 78 2ms 18 Oct 2024 450th davidgblanes 570 79 2ms 22 Sep 2019 First Prev 376–450 of 566 Next Last