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 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 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 31ms 23 Sep 2022 75th aaronze 🇦🇺 688 48 32ms 17 Sep 2023 75th roguh 🇬🇹 688 48 32ms 14 Jan 2024 79th flavono123 673 49 32ms 16 Jul 2019 79th AetherQuantity 673 49 32ms 21 Oct 2025 81st meenie 660 50 32ms 24 Jan 2021 82nd sk- 635 52 32ms 11 Sep 2019 82nd fynnkroeger 635 52 34ms 10 Jan 2021 82nd Marin-Kitagawa 635 52 33ms 18 Jul 2021 82nd purp 635 52 32ms 13 Aug 2022 82nd Ralac07 🇦🇺 635 52 34ms 4 Jul 2024 82nd LostSyntax21 🇬🇧 635 52 34ms 23 Aug 2024 82nd albanian-laundromat 635 52 32ms 11 Mar 2025 89th Mir0ff944 623 53 32ms 14 Nov 2019 89th Luj8n 623 53 32ms 12 Nov 2021 89th aksyristos 623 53 33ms 31 Jan 2023 89th edsrzf 🇳🇿 623 53 34ms 23 Nov 2024 89th D-MOVE 🇵🇭 623 53 34ms 69 mins ago 94th snltd 611 54 32ms 14 Aug 2019 94th n1LS 611 54 33ms 26 Sep 2019 94th JRaspass 🇬🇧 611 54 32ms 23 Mar 2021 97th sapphyrus 600 55 32ms 13 Jun 2019 97th tadd 600 55 32ms 16 Apr 2020 97th p-vf 🇨🇭 600 55 32ms 25 Oct 2021 97th FnControlOption 600 55 36ms 21 Aug 2022 101st pandapawskat 579 57 32ms 11 Oct 2021 101st msbranicky 579 57 33ms 6 Jul 2023 103rd SalimBXL 569 58 36ms 3 Feb 2021 103rd ninjawarrior1337 569 58 34ms 1 Dec 2021 105th AIn0n 559 59 32ms 1 Dec 2021 106th michaelrychly 550 60 32ms 5 Jun 2019 106th StronkCheese 🇺🇸 550 60 32ms 27 Jan 2023 108th Betuaredead 516 64 32ms 4 Jan 2023 109th atayarani 508 65 32ms 17 Jan 2019 109th juntuu 508 65 33ms 24 Mar 2019 109th DaCuteRaccoon 508 65 32ms 12 Dec 2022 112th Smetalo 458 72 32ms 25 Aug 2022 113th markturner 440 75 32ms 30 Nov 2020 114th san-nat 402 82 32ms 12 Dec 2020 115th BharadwajSridharan 🇮🇳 108 306 32ms 17 Nov 2020 116th retrohun 45 735 32ms 21 Dec 2018 116th KatieLG-Transpiler 🇬🇧 45 735 32ms 24 Jun 2022 116th Mabeloid 🇳🇴 45 735 33ms 22 Sep 2024 116th CaedenHarper 🇨🇦 45 735 32ms 16 Aug 2025 120th mokymok 🇺🇸 37 883 32ms 10 Nov 2021 121st marcin7Cd 0 191,959 152ms 14 Jan 2021 First Prev 76–121 of 121
