Leap Years in all languages 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 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 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 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 Lily 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 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 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 Bytes Time Submitted 481st lynn 919 60 26ms 11 Jul 2023 481st Lydxn 🇨🇦 919 60 25ms 11 Jul 2023 483rd Lydxn 🇨🇦 918 41 1ms 8 Oct 2023 483rd MeWhenI 🇻🇦 918 41 2ms 18 Aug 2024 485th Attero 🇸🇪 918 46 1ms 9 May 2020 485th Waffle3z 918 46 2ms 11 Jul 2021 485th GrayJoKing 🇦🇺 918 46 2ms 9 Feb 2022 485th jared-hughes 918 46 1ms 10 Mar 2022 485th MeWhenI 🇻🇦 918 46 1ms 31 Dec 2022 485th b10011 🇫🇮 918 46 2ms 5 Jan 2023 485th sean-niemann 🇺🇸 918 46 1ms 12 Jan 2023 485th DialFrost 🇸🇬 918 46 2ms 8 Nov 2023 485th dokutan 918 46 1ms 25 Sep 2024 485th FlyingPenguin223 918 46 1ms 17 Dec 2024 485th edsrzf 🇳🇿 918 46 2ms 14 Dec 2025 485th Steffan153 🇫🇮 918 46 2ms 3 days ago 497th primo-ppcg 🇹🇭 917 87 306ms 2 May 2020 498th DialFrost 🇸🇬 916 28 278ms 14 Dec 2025 499th GrayJoKing 🇦🇺 916 53 108ms 18 Oct 2022 500th voytxt 🇨🇿 916 68 477ms 25 Sep 2025 500th ScottHamper 916 68 479ms 30 Nov 2025 502nd Lydxn 🇨🇦 915 55 4ms 16 Jul 2023 503rd rambox11 914 44 11ms 20 Dec 2018 503rd skps2010 914 44 9ms 4 Jan 2019 503rd obarakon 914 44 9ms 9 Jan 2019 503rd elisherer 🇮🇱 914 44 10ms 28 Mar 2019 503rd goldenice 914 44 10ms 4 Apr 2019 503rd user189032 914 44 8ms 29 May 2019 503rd marcin7Cd 914 44 8ms 13 Mar 2020 503rd ondras 914 44 10ms 3 May 2020 503rd daisy-lau 914 44 10ms 20 May 2020 503rd efgen 914 44 11ms 12 Jun 2020 503rd itsh01 914 44 9ms 15 Jul 2020 503rd thisishowmymindworks 🇳🇴 914 44 9ms 20 Jul 2020 503rd ToriTheChicken 914 44 9ms 21 Jul 2020 503rd ehouais 914 44 9ms 23 Aug 2020 503rd Athe81 914 44 12ms 30 Oct 2020 503rd jn-lp 🇺🇦 914 44 10ms 1 Nov 2020 503rd pandapawskat 914 44 9ms 3 Dec 2020 503rd boxjelly 914 44 10ms 14 Feb 2021 503rd blader0x 914 44 11ms 28 Mar 2021 503rd heypwesto 🇳🇿 914 44 8ms 20 Apr 2021 503rd Shanethegamer 🇺🇸 914 44 9ms 22 May 2021 503rd Natanaelel 🇸🇪 914 44 10ms 1 Oct 2021 503rd alex-oser 🇲🇰 914 44 10ms 5 Oct 2021 503rd igmcdowell 914 44 10ms 25 Nov 2021 503rd shellbertt 🇨🇦 914 44 9ms 3 Dec 2021 503rd ZakkkkAttackkkk 🇵🇭 914 44 9ms 17 Dec 2021 503rd fitzdotlol 🇺🇸 914 44 10ms 8 Mar 2022 503rd vincens2005 🇺🇸 914 44 8ms 30 Mar 2022 503rd otubby 914 44 9ms 30 Mar 2022 503rd NathanGabrielson 914 44 12ms 30 Mar 2022 503rd inverseLorentz 🇦🇺 914 44 10ms 28 Jun 2022 503rd two-bad 🇬🇧 914 44 9ms 5 Jul 2022 503rd aksyristos 914 44 9ms 28 Oct 2022 503rd scpchicken 🇵🇼 914 44 8ms 22 Feb 2023 503rd Kesefon 914 44 10ms 25 Apr 2023 503rd dteague3989 914 44 10ms 27 May 2023 503rd unfinishedprogram 914 44 8ms 4 Jul 2023 503rd Davr1 🇨🇿 914 44 9ms 15 Oct 2023 503rd Yewzir 🇧🇪 914 44 9ms 15 Oct 2023 503rd dylanarmstrong 914 44 9ms 22 Jan 2024 503rd hacker112 🇸🇪 914 44 10ms 22 Jun 2024 503rd GrayJoKing 🇦🇺 914 44 122ms 3 Aug 2024 503rd lukegustafson 🇺🇸 914 44 137ms 8 Aug 2024 503rd DialFrost 🇸🇬 914 44 132ms 8 Aug 2024 503rd sean-niemann 🇺🇸 914 44 129ms 8 Aug 2024 503rd voytxt 🇨🇿 914 44 129ms 8 Aug 2024 503rd Steffan153 🇫🇮 914 44 124ms 8 Aug 2024 503rd rucin93 🇵🇱 914 44 120ms 9 Aug 2024 503rd piano-miles 914 44 10ms 6 Sep 2024 503rd kovdmm 914 44 9ms 13 Oct 2024 503rd CaedenHarper 🇨🇦 914 44 11ms 22 Oct 2024 503rd emplv 🇱🇻 914 44 129ms 29 Oct 2024 503rd XenThe 🇬🇧 914 44 11ms 7 Jun 2025 503rd olleicua 🇺🇸 914 44 8ms 13 Aug 2025 503rd LordSir101 914 44 10ms 18 Aug 2025 503rd Elkfoot2 914 44 9ms 10 Jan 2026 503rd bac0id 914 44 10ms 18 days ago 503rd JOrE20 🇺🇸 914 44 9ms 2 days 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