Leap Years in Perl 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 1st HPWiz 🇳🇿 1,000 29 2ms 4 Dec 2018 1st primo-ppcg 🇹🇭 1,000 29 2ms 4 Dec 2018 1st GrayJoKing 🇦🇺 1,000 29 2ms 28 Mar 2021 1st sisyphus-ppcg 🇦🇺 1,000 29 2ms 21 Jun 2021 1st o0lit3 🇺🇸 1,000 29 3ms 12 Sep 2021 1st Lydxn 🇨🇦 1,000 29 3ms 26 Sep 2021 1st nwellnhof 🇩🇪 1,000 29 3ms 28 Sep 2021 1st saito-ta 🇯🇵 1,000 29 2ms 24 Jun 2022 1st JRaspass 🇬🇧 1,000 29 3ms 1 Jan 2026 10th kurkale6ka 967 30 3ms 2 Sep 2021 11th retrohun 935 31 2ms 30 Apr 2019 11th scpchicken 🇵🇼 935 31 2ms 18 Jun 2023 11th fuzzylojik-golf 🇺🇸 935 31 3ms 22 May 2025 14th lynn 906 32 3ms 26 Mar 2021 14th perlebach 🇨🇿 906 32 2ms 13 Aug 2021 14th Steffan153 🇫🇮 906 32 3ms 24 Feb 2023 14th sean-niemann 🇺🇸 906 32 2ms 13 Mar 2025 18th janbehrens 🇩🇪 879 33 3ms 22 May 2021 18th MeWhenI 🇻🇦 879 33 2ms 15 Apr 2023 18th DialFrost 🇸🇬 879 33 2ms 15 Dec 2023 18th xsot 🇸🇬 879 33 3ms 27 Jun 2025 22nd BBoehm 🇩🇪 853 34 2ms 18 Nov 2020 23rd somebody1234 829 35 2ms 7 Dec 2018 23rd KrausRaus 🇺🇸 829 35 3ms 2 Mar 2020 23rd samhilluk 829 35 2ms 30 Nov 2020 23rd zebardy 829 35 2ms 30 Nov 2020 23rd NewDefectus 🇮🇱 829 35 3ms 27 May 2021 23rd AlephSquirrel 829 35 2ms 10 Dec 2022 23rd Yewzir 🇧🇪 829 35 2ms 23 Nov 2023 30th heypwesto 🇳🇿 806 36 3ms 20 Apr 2021 30th Natanaelel 🇸🇪 806 36 2ms 15 Sep 2021 30th simon-biber 806 36 2ms 19 May 2022 33rd griffinschreiber 784 37 3ms 5 Nov 2024 34th denkyuu1 744 39 3ms 18 mins ago 35th Shanethegamer 🇺🇸 707 41 2ms 22 Dec 2021 35th roguh 🇬🇹 707 41 2ms 14 Jan 2024 37th Code-Hex 690 42 2ms 2 Oct 2019 37th DaCuteRaccoon 690 42 2ms 12 Dec 2022 37th iczelia 🇩🇪 690 42 2ms 30 Sep 2025 40th nephila-nacrea 🇬🇧 674 43 2ms 10 Dec 2020 41st daedals 659 44 2ms 3 Jul 2019 41st msbranicky 659 44 3ms 8 Sep 2023 43rd Betuaredead 644 45 2ms 17 Jan 2023 43rd dokutan 644 45 2ms 7 Oct 2024 45th thisishowmymindworks 🇳🇴 630 46 2ms 22 Jul 2020 46th dymowski 617 47 3ms 12 Jul 2019 46th LorenzoTa 617 47 3ms 15 Sep 2020 48th erwoba 🇩🇪 604 48 3ms 15 Oct 2019 49th ian-h-chamberlain 🇺🇸 558 52 2ms 27 Dec 2019 50th hridge-golf 537 54 2ms 28 Oct 2020 51st tynovsky 527 55 2ms 31 Jan 2020 51st p-vf 🇨🇭 527 55 2ms 28 Oct 2021 53rd juntuu 518 56 3ms 25 Mar 2019 53rd Unknownuserfrommars 518 56 2ms 5 Aug 2025 53rd snoozingnewt 🇨🇦 518 56 3ms 26 Sep 2025 56th KaeruCT 439 66 2ms 7 Oct 2020 57th ghandmann 414 70 3ms 24 Apr 2019 58th lancew 🇳🇿 315 92 3ms 27 Jan 2019 59th KatieLG 🇬🇧 53 550 2ms 30 Nov 2025 60th theunofficialcoder 40 734 2ms 13 Sep 2021 60th HumanoidCPU 40 734 3ms 18 May 2024 60th Mabeloid 🇳🇴 40 734 2ms 22 Sep 2024 60th CaedenHarper 🇨🇦 40 734 2ms 16 Aug 2025 64th KatieLG-Transpiler 🇬🇧 39 736 2ms 2 Jan 2023 65th mokymok 🇺🇸 33 879 2ms 10 Nov 2021 1–65 of 65