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 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 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Knight 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 451st phpboyscout 536 84 26 May 2021 451st ANovelForStudy 536 84 9 Jun 2023 451st fkantelberg 536 84 15 Jul 2023 451st sbercx 536 84 29 Jul 2023 455th mxwli 529 85 16 May 2021 455th stonethurg 529 85 14 Feb 2023 455th VictorFordham 529 85 4 Mar 2023 455th ilovapples 529 85 9 Jun 2025 459th drkameleon 🇪🇸 523 86 28 Jan 2020 459th ms-tingliang 523 86 6 Aug 2022 459th AZ9tumas 523 86 15 Oct 2022 459th GWStuart 523 86 15 Sep 2023 459th Giantnoodlemonster 523 86 15 Sep 2024 459th BlueGummi 523 86 15 Apr 2025 465th vonKrafft 517 87 25 Mar 2020 465th tm70 517 87 23 Jan 2021 465th ArianKG 517 87 21 Mar 2024 468th ottsco7697 511 88 3 Jul 2019 468th TerenceTux 511 88 6 Jun 2023 468th bpbjs 🇨🇳 511 88 7 Jul 2024 468th kurkale6ka 511 88 15 Aug 2024 472nd ryguyNelson 506 89 12 Aug 2020 472nd ze-h 🇺🇸 506 89 19 Feb 2022 472nd S-Ruban 506 89 26 Feb 2023 472nd uncertaain 506 89 28 Dec 2023 472nd tik25 506 89 28 Mar 2024 472nd iilegacyyii 506 89 20 Jan 2025 478th humz2k 500 90 26 Sep 2022 478th Jaro32768 🇸🇰 500 90 20 Sep 2023 480th Verlio-H 495 91 17 Feb 2025 481st bryanmytko 489 92 5 Jul 2022 481st DrPiranoid 489 92 22 Sep 2022 483rd sm1lko 484 93 7 Dec 2022 483rd aDwarfNamedUrist 484 93 12 Jul 2023 483rd Sephirem98 484 93 24 Oct 2023 483rd Unknownuserfrommars 484 93 20 Nov 2024 487th ArturLukianov 479 94 10 Aug 2020 487th Mortis66666 479 94 27 May 2022 489th abailey2020 🇺🇸 474 95 3 Oct 2020 489th lemmaandrew 474 95 23 Jan 2021 489th zt14427 474 95 28 Feb 2023 489th epic-programmer-guy 474 95 17 Dec 2023 489th MID246 474 95 14 Nov 2024 494th shagunsingh30 469 96 2 Apr 2022 495th nico-bachner 464 97 28 Dec 2020 495th atazzam 🇺🇸 464 97 2 Sep 2022 497th GnotAGnelf 459 98 24 Nov 2020 497th kennyhow 459 98 27 Jan 2021 497th Robbe7730 459 98 17 Nov 2021 500th albanian-laundromat 455 99 14 Jul 2025 501st AntoineBlondon 450 100 18 Aug 2024 502nd aaronze 🇦🇺 446 101 29 Apr 2021 503rd 4ndyJ 🇬🇧 441 102 17 Dec 2022 504th cgjohannsen 437 103 10 Jun 2022 505th MisterrLuck 429 105 11 Sep 2023 506th adoxography 425 106 3 Oct 2019 506th siddharth2411 425 106 22 Mar 2020 508th MunibullahShah 417 108 31 Aug 2019 509th george1605 413 109 14 Feb 2023 510th barbu110 398 113 2 Dec 2019 511th JesseNoEyes 🇺🇸 391 115 4 Oct 2024 512th milliorn 385 117 9 Feb 2020 512th plainoldcheese 🇦🇶 385 117 23 Mar 2023 514th kenballus 375 120 12 Nov 2019 514th CyberTapir 375 120 28 Aug 2024 514th Rex-xeR 375 120 3 Feb 2025 517th AshishAntil07 369 122 10 Oct 2022 517th brimstonetrader 369 122 15 Jan 2024 519th Philipuss1 354 127 14 Aug 2020 520th kittrz9 344 131 19 Jul 2019 521st jckjjcckk 341 132 16 Feb 2024 522nd Kreavita 338 133 3 Feb 2022 523rd Mr-Backdoor 328 137 26 Mar 2022 523rd lanzarote0tr 328 137 13 Aug 2023 525th samuelecarafassi 319 141 28 Nov 2020 Prev 451–525 of 546 Next