Leap Years in C in bytes. 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 154th Vinterion 818 66 1ms 6 Nov 2023 154th funnyboy-roks 818 66 1ms 15 Jun 2024 154th snoozingnewt 🇨🇦 818 66 2ms 18 Jun 2024 154th hacker112 🇸🇪 818 66 2ms 22 Jun 2024 154th TheBrokenRail 818 66 1ms 5 Oct 2024 154th nulzo 818 66 1ms 17 Oct 2025 154th isaiah0311 🇺🇸 818 66 2ms 1 Feb 2026 168th juntuu 806 67 1ms 24 Mar 2019 168th dymowski 806 67 1ms 14 Jul 2019 168th ToriTheChicken 806 67 1ms 31 Jul 2020 168th Indivicivet 806 67 1ms 15 Mar 2021 168th KatieLG 🇬🇧 806 67 1ms 9 Jun 2021 168th jhpaques 🇫🇷 806 67 1ms 4 Dec 2022 168th BalaM314 806 67 1ms 8 Feb 2025 168th matricronia 806 67 2ms 1 Feb 2026 168th tsschepens 806 67 2ms 4 Mar 2026 177th archee303 794 68 1ms 5 Feb 2020 177th BenAns 794 68 1ms 26 Sep 2020 177th ei14 794 68 2ms 23 Jun 2021 177th lemogne 794 68 2ms 8 Aug 2021 177th Bobini1 🇵🇱 794 68 1ms 11 Feb 2022 177th pyrolitic 🇮🇪 794 68 1ms 7 Apr 2022 177th slerpyyy 🇩🇪 794 68 1ms 21 Oct 2022 177th aubergine-sauce 794 68 1ms 21 May 2023 177th camieac 🇬🇧 794 68 2ms 12 Jul 2023 177th pandaninjas 794 68 1ms 9 Aug 2023 177th iilegacyyii 794 68 1ms 22 Jan 2024 177th kellantech 794 68 2ms 16 Dec 2025 177th RealBen9 🇬🇧 794 68 2ms 3 days ago 190th chunky 783 69 1ms 2 Oct 2020 190th AIn0n 783 69 1ms 19 Aug 2021 190th VictorChemin 🇫🇷 783 69 1ms 30 Nov 2021 190th ishvanl 783 69 1ms 11 Jul 2022 190th anbutle 783 69 2ms 14 Aug 2022 190th trist224 🇫🇷 783 69 1ms 14 Dec 2022 190th msbranicky 783 69 1ms 20 Aug 2023 190th 1231234md5 🇨🇳 783 69 1ms 13 Dec 2023 190th cpchrispye 783 69 2ms 20 Apr 2024 190th evanjaco 783 69 1ms 4 Oct 2024 190th ibrahimhanifceker 783 69 2ms 30 Jan 2025 190th Maashau 783 69 2ms 12 Dec 2025 202nd jngbsn 771 70 1ms 2 Mar 2019 202nd nwdamgaard 771 70 1ms 19 Dec 2021 202nd gussy420 771 70 1ms 28 Oct 2023 202nd kasarino 771 70 2ms 2 Feb 2026 206th madeve-unipi 761 71 2ms 16 Oct 2019 206th uier 761 71 2ms 28 Dec 2019 206th FrederikHutfless 🇩🇪 761 71 1ms 12 Jan 2023 206th NickTheEASDude 🇺🇸 761 71 2ms 6 Nov 2023 206th Iznoanygod 🇺🇸 761 71 2ms 26 Apr 2025 211th Batzuga 750 72 2ms 10 Sep 2019 211th alexjlaberge 750 72 1ms 3 Aug 2020 211th petroselo 750 72 1ms 29 Aug 2021 211th Ripick 750 72 1ms 13 Aug 2022 215th KiwiKoder0123 740 73 2ms 28 Jun 2019 215th AaronGarbut 740 73 2ms 30 Jul 2019 215th MadMax129 740 73 2ms 24 Dec 2019 215th rchalamala 740 73 1ms 8 Jun 2021 215th wirewolf010 740 73 1ms 6 Jan 2022 215th ibexq 740 73 2ms 29 Sep 2022 215th TornadoCookie 740 73 1ms 8 Mar 2023 215th Ralac07 🇦🇺 740 73 1ms 11 Mar 2024 215th mickmurci 740 73 2ms 30 Dec 2024 215th matejmatik123 🇸🇰 740 73 1ms 27 Jun 2025 215th RYSF13 🇨🇳 740 73 2ms 5 Jul 2025 226th Waterperry 730 74 1ms 24 Dec 2021 226th kallmi28 🇨🇿 730 74 1ms 26 Sep 2023 228th jgbaldwinbrown 720 75 2ms 30 Jun 2021 228th ryguyNelson 720 75 1ms 19 Jul 2021 228th Cloakless 🇬🇧 720 75 1ms 17 Oct 2021 228th ms-tingliang 720 75 1ms 5 Aug 2022 228th heabr12 720 75 2ms 6 Sep 2024 233rd simontime 711 76 1ms 20 May 2020 233rd StHagel 711 76 1ms 18 Aug 2020 233rd garrisonhh 711 76 2ms 20 Nov 2020 233rd furokku 711 76 1ms 15 Feb 2021 233rd elizj3 🇵🇱 711 76 1ms 30 Oct 2021 233rd calinous 🇷🇴 711 76 2ms 2 Mar 2023 233rd 0dyse 711 76 1ms 30 Apr 2025 240th b-paul 701 77 1ms 1 Nov 2020 First Prev 161–240 of 295 Next Last