Fibonacci in C in chars. Cheevos Holes Recent Holes Langs Medals Misc 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 Calendar Connect Four 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 Calendar Connect Four 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 451st NJRist 🇺🇸 556 81 3ms 24 Nov 2022 451st s-gannon 556 81 12ms 3 May 2023 453rd markus-rekdal 549 82 12ms 4 Jun 2019 453rd stdstijn 549 82 2ms 10 May 2020 453rd Adrien-AM 549 82 18ms 31 Jan 2022 453rd CameronGBell 549 82 2ms 10 Nov 2022 453rd dpethes 549 82 2ms 9 Jan 2024 453rd PyryL 🇫🇮 549 82 2ms 23 Aug 2024 453rd jorbDehmel 🇺🇸 549 82 2ms 20 Sep 2024 460th PeriBooty 542 83 12ms 26 Nov 2019 460th Smetalo 542 83 2ms 25 Aug 2022 460th Qruintrox 542 83 2ms 24 Jun 2023 463rd phpboyscout 536 84 2ms 26 May 2021 463rd ANovelForStudy 536 84 2ms 9 Jun 2023 463rd fkantelberg 536 84 2ms 15 Jul 2023 463rd sbercx 536 84 11ms 29 Jul 2023 467th mxwli 529 85 2ms 16 May 2021 467th stonethurg 529 85 2ms 14 Feb 2023 467th VictorFordham 529 85 2ms 4 Mar 2023 467th ilovapples 529 85 2ms 9 Jun 2025 471st drkameleon 🇪🇸 523 86 10ms 28 Jan 2020 471st ms-tingliang 523 86 2ms 6 Aug 2022 471st AZ9tumas 523 86 2ms 15 Oct 2022 471st GWStuart 523 86 2ms 15 Sep 2023 471st Giantnoodlemonster 523 86 2ms 15 Sep 2024 471st BlueGummi 523 86 12ms 15 Apr 2025 477th vonKrafft 517 87 3ms 25 Mar 2020 477th tm70 517 87 11ms 23 Jan 2021 477th ArianKG 517 87 2ms 21 Mar 2024 480th ottsco7697 511 88 2ms 3 Jul 2019 480th TerenceTux 511 88 2ms 6 Jun 2023 480th bpbjs 🇨🇳 511 88 2ms 7 Jul 2024 480th kurkale6ka 511 88 2ms 15 Aug 2024 484th ryguyNelson 506 89 5ms 12 Aug 2020 484th ze-h 🇺🇸 506 89 2ms 19 Feb 2022 484th S-Ruban 506 89 2ms 26 Feb 2023 484th uncertaain 506 89 2ms 28 Dec 2023 484th tik25 506 89 2ms 28 Mar 2024 484th iilegacyyii 506 89 9ms 20 Jan 2025 490th humz2k 500 90 2ms 26 Sep 2022 490th Jaro32768 🇸🇰 500 90 3ms 20 Sep 2023 492nd Verlio-H 495 91 2ms 17 Feb 2025 493rd bryanmytko 489 92 12ms 5 Jul 2022 493rd DrPiranoid 489 92 2ms 22 Sep 2022 495th sm1lko 484 93 1ms 7 Dec 2022 495th aDwarfNamedUrist 484 93 13ms 12 Jul 2023 495th Sephirem98 484 93 2ms 24 Oct 2023 495th Unknownuserfrommars 484 93 2ms 20 Nov 2024 499th ArturLukianov 479 94 3ms 10 Aug 2020 499th Mortis66666 479 94 2ms 27 May 2022 499th PeytonNowlin 479 94 2ms 26 days ago 502nd abailey2020 🇺🇸 474 95 2ms 3 Oct 2020 502nd lemmaandrew 474 95 2ms 23 Jan 2021 502nd zt14427 474 95 2ms 28 Feb 2023 502nd epic-programmer-guy 474 95 2ms 17 Dec 2023 502nd MID246 474 95 2ms 14 Nov 2024 507th shagunsingh30 469 96 2ms 2 Apr 2022 508th nico-bachner 464 97 2ms 28 Dec 2020 508th atazzam 🇺🇸 464 97 2ms 2 Sep 2022 510th GnotAGnelf 459 98 2ms 24 Nov 2020 510th kennyhow 459 98 2ms 27 Jan 2021 510th Robbe7730 459 98 2ms 17 Nov 2021 513th azure-blondon 450 100 2ms 18 Aug 2024 514th aaronze 🇦🇺 446 101 2ms 29 Apr 2021 515th 4ndyJ 🇬🇧 441 102 2ms 17 Dec 2022 516th cgjohannsen 437 103 2ms 10 Jun 2022 517th 52525rr 433 104 2ms 15 days ago 518th MisterrLuck 429 105 2ms 11 Sep 2023 519th adoxography 425 106 14ms 3 Oct 2019 519th siddharth2411 425 106 2ms 22 Mar 2020 521st MunibullahShah 417 108 2ms 31 Aug 2019 522nd george1605 413 109 2ms 14 Feb 2023 523rd barbu110 398 113 14ms 2 Dec 2019 524th JesseNoEyes 🇺🇸 391 115 2ms 4 Oct 2024 525th milliorn 385 117 2ms 9 Feb 2020 First Prev 451–525 of 560 Next Last