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 olivermrose 🇺🇸 919 51 118ms 23 Aug 2021 482nd lynn 919 60 26ms 11 Jul 2023 482nd Lydxn 🇨🇦 919 60 25ms 11 Jul 2023 484th Lydxn 🇨🇦 918 41 1ms 8 Oct 2023 484th MeWhenI 🇻🇦 918 41 2ms 18 Aug 2024 486th Attero 🇸🇪 918 46 1ms 9 May 2020 486th Waffle3z 918 46 2ms 11 Jul 2021 486th GrayJoKing 🇦🇺 918 46 2ms 9 Feb 2022 486th jared-hughes 918 46 1ms 10 Mar 2022 486th MeWhenI 🇻🇦 918 46 1ms 31 Dec 2022 486th b10011 🇫🇮 918 46 2ms 5 Jan 2023 486th sean-niemann 🇺🇸 918 46 1ms 12 Jan 2023 486th DialFrost 🇸🇬 918 46 2ms 8 Nov 2023 486th dokutan 918 46 1ms 25 Sep 2024 486th FlyingPenguin223 918 46 1ms 17 Dec 2024 486th edsrzf 🇳🇿 918 46 2ms 14 Dec 2025 486th Steffan153 🇫🇮 918 46 2ms 5 days ago 498th primo-ppcg 🇹🇭 917 87 306ms 2 May 2020 499th DialFrost 🇸🇬 916 28 278ms 14 Dec 2025 500th GrayJoKing 🇦🇺 916 53 108ms 18 Oct 2022 501st voytxt 🇨🇿 916 68 477ms 25 Sep 2025 501st ScottHamper 916 68 479ms 30 Nov 2025 503rd Lydxn 🇨🇦 915 55 4ms 16 Jul 2023 504th rambox11 914 44 11ms 20 Dec 2018 504th skps2010 914 44 9ms 4 Jan 2019 504th obarakon 914 44 9ms 9 Jan 2019 504th elisherer 🇮🇱 914 44 10ms 28 Mar 2019 504th goldenice 914 44 10ms 4 Apr 2019 504th user189032 914 44 8ms 29 May 2019 504th marcin7Cd 914 44 8ms 13 Mar 2020 504th ondras 914 44 10ms 3 May 2020 504th daisy-lau 914 44 10ms 20 May 2020 504th efgen 914 44 11ms 12 Jun 2020 504th itsh01 914 44 9ms 15 Jul 2020 504th thisishowmymindworks 🇳🇴 914 44 9ms 20 Jul 2020 504th ToriTheChicken 914 44 9ms 21 Jul 2020 504th ehouais 914 44 9ms 23 Aug 2020 504th Athe81 914 44 12ms 30 Oct 2020 504th jn-lp 🇺🇦 914 44 10ms 1 Nov 2020 504th pandapawskat 914 44 9ms 3 Dec 2020 504th boxjelly 914 44 10ms 14 Feb 2021 504th blader0x 914 44 11ms 28 Mar 2021 504th heypwesto 🇳🇿 914 44 8ms 20 Apr 2021 504th Shanethegamer 🇺🇸 914 44 9ms 22 May 2021 504th Natanaelel 🇸🇪 914 44 10ms 1 Oct 2021 504th alex-oser 🇲🇰 914 44 10ms 5 Oct 2021 504th igmcdowell 914 44 10ms 25 Nov 2021 504th shellbertt 🇨🇦 914 44 9ms 3 Dec 2021 504th ZakkkkAttackkkk 🇵🇭 914 44 9ms 17 Dec 2021 504th fitzdotlol 🇺🇸 914 44 10ms 8 Mar 2022 504th vincens2005 🇺🇸 914 44 8ms 30 Mar 2022 504th otubby 914 44 9ms 30 Mar 2022 504th NathanGabrielson 914 44 12ms 30 Mar 2022 504th inverseLorentz 🇦🇺 914 44 10ms 28 Jun 2022 504th two-bad 🇬🇧 914 44 9ms 5 Jul 2022 504th aksyristos 914 44 9ms 28 Oct 2022 504th scpchicken 🇵🇼 914 44 8ms 22 Feb 2023 504th Kesefon 914 44 10ms 25 Apr 2023 504th dteague3989 914 44 10ms 27 May 2023 504th unfinishedprogram 914 44 8ms 4 Jul 2023 504th Davr1 🇨🇿 914 44 9ms 15 Oct 2023 504th Yewzir 🇧🇪 914 44 9ms 15 Oct 2023 504th dylanarmstrong 914 44 9ms 22 Jan 2024 504th hacker112 🇸🇪 914 44 10ms 22 Jun 2024 504th GrayJoKing 🇦🇺 914 44 122ms 3 Aug 2024 504th lukegustafson 🇺🇸 914 44 137ms 8 Aug 2024 504th DialFrost 🇸🇬 914 44 132ms 8 Aug 2024 504th sean-niemann 🇺🇸 914 44 129ms 8 Aug 2024 504th voytxt 🇨🇿 914 44 129ms 8 Aug 2024 504th Steffan153 🇫🇮 914 44 124ms 8 Aug 2024 504th rucin93 🇵🇱 914 44 120ms 9 Aug 2024 504th piano-miles 914 44 10ms 6 Sep 2024 504th kovdmm 914 44 9ms 13 Oct 2024 504th CaedenHarper 🇨🇦 914 44 11ms 22 Oct 2024 504th emplv 🇱🇻 914 44 129ms 29 Oct 2024 504th XenThe 🇬🇧 914 44 11ms 7 Jun 2025 504th olleicua 🇺🇸 914 44 8ms 13 Aug 2025 504th LordSir101 914 44 10ms 18 Aug 2025 504th Elkfoot2 914 44 9ms 10 Jan 2026 504th bac0id 914 44 10ms 20 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