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 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 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 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 78th roguh 🇬🇹 688 48 37ms 14 Jan 2024 78th Matter1024 🇮🇳 688 48 36ms 16 Dec 2025 83rd flavono123 673 49 36ms 16 Jul 2019 83rd AetherQuantity 673 49 35ms 21 Oct 2025 85th meenie 660 50 39ms 24 Jan 2021 86th JOrE20 647 51 37ms 1 Jan 2026 87th sk- 635 52 37ms 11 Sep 2019 87th fynnkroeger 635 52 43ms 10 Jan 2021 87th Marin-Kitagawa 635 52 41ms 18 Jul 2021 87th purp 635 52 36ms 13 Aug 2022 87th Ralac07 🇦🇺 635 52 37ms 4 Jul 2024 87th LostSyntax21 🇬🇧 635 52 37ms 23 Aug 2024 87th albanian-laundromat 635 52 38ms 11 Mar 2025 94th Mir0ff944 623 53 38ms 14 Nov 2019 94th Luj8n 623 53 43ms 12 Nov 2021 94th aksyristos 623 53 37ms 31 Jan 2023 94th edsrzf 🇳🇿 623 53 36ms 23 Nov 2024 98th snltd 611 54 36ms 14 Aug 2019 98th n1LS 611 54 37ms 26 Sep 2019 98th JRaspass 🇬🇧 611 54 36ms 23 Mar 2021 98th Thinkr1 611 54 34ms 4 hours ago 102nd sapphyrus 600 55 36ms 13 Jun 2019 102nd tadd 600 55 37ms 16 Apr 2020 102nd p-vf 🇨🇭 600 55 34ms 25 Oct 2021 102nd FnControlOption 600 55 51ms 21 Aug 2022 106th pandapawskat 579 57 37ms 11 Oct 2021 106th msbranicky 579 57 35ms 6 Jul 2023 108th SalimBXL 569 58 37ms 3 Feb 2021 108th ninjawarrior1337 569 58 35ms 1 Dec 2021 110th AIn0n 559 59 35ms 1 Dec 2021 111th michaelrychly 550 60 37ms 5 Jun 2019 111th StronkCheese 🇺🇸 550 60 41ms 27 Jan 2023 113th Betuaredead 516 64 36ms 4 Jan 2023 114th atayarani 508 65 35ms 17 Jan 2019 114th juntuu 508 65 37ms 24 Mar 2019 114th DaCuteRaccoon 508 65 36ms 12 Dec 2022 117th Smetalo 458 72 36ms 25 Aug 2022 118th markturner 440 75 36ms 30 Nov 2020 119th san-nat 402 82 36ms 12 Dec 2020 120th BharadwajSridharan 🇮🇳 108 306 36ms 17 Nov 2020 121st retrohun 45 735 35ms 21 Dec 2018 121st KatieLG-Transpiler 🇬🇧 45 735 36ms 24 Jun 2022 121st Mabeloid 🇳🇴 45 735 41ms 22 Sep 2024 121st CaedenHarper 🇨🇦 45 735 36ms 16 Aug 2025 125th mokymok 🇺🇸 37 883 36ms 10 Nov 2021 126th marcin7Cd 0 191,959 147ms 14 Jan 2021 First Prev 81–126 of 126
