Leap Years in Ruby 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 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 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 Calendar 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 Multitap Input 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 Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 Calendar 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 Multitap Input 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 75th Andriamanitra 🇫🇮 688 48 44ms 23 Sep 2022 75th aaronze 🇦🇺 688 48 35ms 17 Sep 2023 75th roguh 🇬🇹 688 48 47ms 14 Jan 2024 75th Matter1024 🇮🇳 688 48 35ms 42 hours ago 75th TheZwierzLF 🇵🇱 688 48 38ms 11 hours ago 81st flavono123 673 49 44ms 16 Jul 2019 81st AetherQuantity 673 49 50ms 21 Oct 2025 83rd meenie 660 50 41ms 24 Jan 2021 84th sk- 635 52 44ms 11 Sep 2019 84th fynnkroeger 635 52 33ms 10 Jan 2021 84th Marin-Kitagawa 635 52 36ms 18 Jul 2021 84th purp 635 52 35ms 13 Aug 2022 84th Ralac07 🇦🇺 635 52 35ms 4 Jul 2024 84th LostSyntax21 🇬🇧 635 52 41ms 23 Aug 2024 84th albanian-laundromat 635 52 35ms 11 Mar 2025 91st Mir0ff944 623 53 35ms 14 Nov 2019 91st Luj8n 623 53 35ms 12 Nov 2021 91st aksyristos 623 53 38ms 31 Jan 2023 91st edsrzf 🇳🇿 623 53 38ms 23 Nov 2024 91st D-MOVE 🇵🇭 623 53 41ms 9 days ago 96th snltd 611 54 39ms 14 Aug 2019 96th n1LS 611 54 40ms 26 Sep 2019 96th JRaspass 🇬🇧 611 54 48ms 23 Mar 2021 99th sapphyrus 600 55 49ms 13 Jun 2019 99th tadd 600 55 46ms 16 Apr 2020 99th p-vf 🇨🇭 600 55 38ms 25 Oct 2021 99th FnControlOption 600 55 33ms 21 Aug 2022 103rd pandapawskat 579 57 35ms 11 Oct 2021 103rd msbranicky 579 57 42ms 6 Jul 2023 105th SalimBXL 569 58 36ms 3 Feb 2021 105th ninjawarrior1337 569 58 35ms 1 Dec 2021 107th AIn0n 559 59 42ms 1 Dec 2021 108th michaelrychly 550 60 35ms 5 Jun 2019 108th StronkCheese 🇺🇸 550 60 40ms 27 Jan 2023 110th Betuaredead 516 64 36ms 4 Jan 2023 111th atayarani 508 65 35ms 17 Jan 2019 111th juntuu 508 65 38ms 24 Mar 2019 111th DaCuteRaccoon 508 65 41ms 12 Dec 2022 114th Smetalo 458 72 34ms 25 Aug 2022 115th markturner 440 75 43ms 30 Nov 2020 116th san-nat 402 82 40ms 12 Dec 2020 117th BharadwajSridharan 🇮🇳 108 306 35ms 17 Nov 2020 118th retrohun 45 735 35ms 21 Dec 2018 118th KatieLG-Transpiler 🇬🇧 45 735 33ms 24 Jun 2022 118th Mabeloid 🇳🇴 45 735 52ms 22 Sep 2024 118th CaedenHarper 🇨🇦 45 735 36ms 16 Aug 2025 122nd mokymok 🇺🇸 37 883 34ms 10 Nov 2021 123rd marcin7Cd 0 191,959 147ms 14 Jan 2021 First Prev 76–123 of 123
