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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL 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 ><> ALGOL 68 ArkScript 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 APL 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 79th aaronze 🇦🇺 688 48 36ms 17 Sep 2023 79th roguh 🇬🇹 688 48 36ms 14 Jan 2024 79th Matter1024 🇮🇳 688 48 33ms 16 Dec 2025 84th flavono123 673 49 35ms 16 Jul 2019 84th AetherQuantity 673 49 33ms 21 Oct 2025 86th meenie 660 50 35ms 24 Jan 2021 87th JOrE20 647 51 35ms 1 Jan 2026 87th flekAI 647 51 34ms 3 hours ago 89th sk- 635 52 36ms 11 Sep 2019 89th fynnkroeger 635 52 35ms 10 Jan 2021 89th Marin-Kitagawa 635 52 37ms 18 Jul 2021 89th purp 635 52 37ms 13 Aug 2022 89th Ralac07 🇦🇺 635 52 39ms 4 Jul 2024 89th LostSyntax21 🇬🇧 635 52 37ms 23 Aug 2024 89th albanian-laundromat 🇺🇸 635 52 35ms 11 Mar 2025 96th Mir0ff944 623 53 37ms 14 Nov 2019 96th Luj8n 623 53 36ms 12 Nov 2021 96th aksyristos 623 53 37ms 31 Jan 2023 96th edsrzf 🇳🇿 623 53 34ms 23 Nov 2024 100th snltd 611 54 35ms 14 Aug 2019 100th n1LS 611 54 35ms 26 Sep 2019 100th JRaspass 🇬🇧 611 54 35ms 23 Mar 2021 100th Thinkr1 611 54 35ms 3 Feb 2026 104th sapphyrus 600 55 35ms 13 Jun 2019 104th tadd 600 55 35ms 16 Apr 2020 104th p-vf 🇨🇭 600 55 36ms 25 Oct 2021 104th FnControlOption 600 55 35ms 21 Aug 2022 108th pandapawskat 579 57 34ms 11 Oct 2021 108th msbranicky 579 57 36ms 6 Jul 2023 110th SalimBXL 569 58 35ms 3 Feb 2021 110th ninjawarrior1337 569 58 39ms 1 Dec 2021 112th AIn0n 559 59 36ms 1 Dec 2021 113th michaelrychly 550 60 35ms 5 Jun 2019 113th StronkCheese 🇺🇸 550 60 34ms 27 Jan 2023 115th Betuaredead 516 64 34ms 4 Jan 2023 116th atayarani 508 65 35ms 17 Jan 2019 116th juntuu 508 65 37ms 24 Mar 2019 116th DaCuteRaccoon 508 65 35ms 12 Dec 2022 119th Smetalo 458 72 34ms 25 Aug 2022 120th markturner 440 75 35ms 30 Nov 2020 121st san-nat 402 82 35ms 12 Dec 2020 122nd BharadwajSridharan 🇮🇳 108 306 35ms 17 Nov 2020 123rd retrohun 45 735 36ms 21 Dec 2018 123rd KatieLG-Transpiler 🇬🇧 45 735 37ms 24 Jun 2022 123rd Mabeloid 🇳🇴 45 735 36ms 22 Sep 2024 123rd CaedenHarper 🇨🇦 45 735 35ms 16 Aug 2025 127th jusaka 45 740 54ms 3 days ago 128th mokymok 🇺🇸 37 883 35ms 10 Nov 2021 129th marcin7Cd 0 191,959 146ms 14 Jan 2021 First Prev 81–129 of 129
