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 1st Lydxn 🇨🇦 1,000 33 34ms 9 Feb 2022 1st JayXon 🇺🇸 1,000 33 37ms 9 Feb 2022 3rd primo-ppcg 🇹🇭 917 36 34ms 8 Dec 2018 3rd nwellnhof 🇩🇪 917 36 33ms 28 Apr 2020 3rd Waffle3z 917 36 32ms 14 Jul 2021 3rd lynn 917 36 32ms 10 Sep 2021 3rd sean-niemann 🇺🇸 917 36 33ms 5 Apr 2022 3rd jared-hughes 917 36 32ms 9 Sep 2022 3rd MeWhenI 🇻🇦 917 36 33ms 10 Oct 2022 3rd Steffan153 🇫🇮 917 36 32ms 26 Dec 2022 3rd ovs-code 🇩🇪 917 36 32ms 9 May 2023 3rd DialFrost 🇸🇬 917 36 33ms 8 Nov 2023 3rd pardouin 🇫🇷 917 36 32ms 21 Aug 2024 3rd dokutan 917 36 32ms 25 Sep 2024 3rd FlyingPenguin223 917 36 32ms 17 Dec 2024 3rd fuzzylojik-golf 🇺🇸 917 36 33ms 25 Aug 2025 17th orthoplex 🇨🇽 892 37 32ms 30 Mar 2022 18th janlelis 868 38 32ms 11 Nov 2021 18th GrayJoKing 🇦🇺 868 38 33ms 9 Feb 2022 18th stefangimmillaro 868 38 33ms 4 Aug 2023 21st proton 🇩🇪 846 39 32ms 9 Jun 2020 21st KatieLG 🇬🇧 846 39 32ms 3 Oct 2020 21st sisyphus-ppcg 🇦🇺 846 39 35ms 26 Mar 2021 21st janbehrens 🇩🇪 846 39 32ms 22 May 2021 21st anter69 🇭🇺 846 39 32ms 23 Feb 2023 21st annaproxy 846 39 31ms 19 Sep 2023 27th omegahm 825 40 32ms 6 Nov 2019 27th Irratix 🇳🇱 825 40 33ms 4 Mar 2022 29th acornellier 805 41 33ms 8 Dec 2018 29th jaredcrystal 🇺🇸 805 41 33ms 10 Dec 2018 29th jstanley0 805 41 33ms 12 Dec 2020 29th Natanaelel 🇸🇪 805 41 32ms 14 Sep 2021 29th emgordon154 805 41 33ms 23 Dec 2021 29th yzhs 🇩🇪 805 41 33ms 20 Jul 2022 29th tatzyr 🇯🇵 805 41 34ms 5 Mar 2025 29th csharpython 805 41 32ms 22 Jul 2025 29th Babafaba 805 41 35ms 15 Oct 2025 29th HumanoidCPU 805 41 40ms 17 days ago 39th seanstory 786 42 32ms 4 Nov 2019 39th davishmcclurg 786 42 32ms 5 Nov 2019 39th prplz 🇦🇺 786 42 32ms 1 Dec 2019 39th TFeld00 🇩🇰 786 42 32ms 15 Jun 2022 39th OhmNomNom 786 42 33ms 8 Oct 2022 39th olleicua 🇺🇸 786 42 34ms 9 Jan 2024 39th error256 786 42 33ms 13 May 2024 39th SirBogman 🇺🇸 786 42 32ms 15 Aug 2025 39th blaztoma 🇱🇹 786 42 32ms 11 Oct 2025 48th hugolgst 767 43 33ms 18 May 2019 48th reireias 767 43 35ms 31 Jul 2019 48th tarotaro0 767 43 32ms 2 Oct 2019 48th hiddicop 🇸🇪 767 43 37ms 23 Jan 2021 48th Haksell 🇦🇶 767 43 34ms 4 Feb 2021 48th gilufin 767 43 33ms 2 Jun 2021 48th olivermrose 🇺🇸 767 43 33ms 21 Sep 2021 48th akshatj27 🇦🇶 767 43 32ms 11 Jan 2022 48th HallMatthew314 767 43 34ms 9 Feb 2022 48th m-tkach 🇺🇦 767 43 33ms 13 Dec 2022 48th 4hg 🇺🇸 767 43 32ms 14 Feb 2023 48th Yewzir 🇧🇪 767 43 32ms 23 Nov 2023 48th ngthanhtrung23 767 43 32ms 15 Mar 2024 61st ureishi 🇯🇵 750 44 33ms 30 Jan 2021 61st Shanethegamer 🇺🇸 750 44 32ms 4 Jun 2021 61st BREMAUCY 🇫🇷 750 44 33ms 17 Apr 2024 61st ejini6969 750 44 32ms 14 Jun 2025 61st snoozingnewt 🇨🇦 750 44 32ms 26 Sep 2025 66th graft 733 45 35ms 21 Dec 2018 66th handisb 733 45 33ms 12 Sep 2019 66th boxjelly 733 45 32ms 11 Feb 2021 66th kinoute 🇫🇷 733 45 32ms 10 Sep 2021 66th scpchicken 🇵🇼 733 45 32ms 22 Feb 2023 66th RuyiLi 733 45 33ms 7 Apr 2023 66th aydamak 733 45 35ms 14 May 2024 66th Lv0Sys 🇵🇱 733 45 53ms 7 days ago 74th adoxography 717 46 32ms 6 Dec 2018 75th jbbarth 🇫🇷 688 48 33ms 2 Sep 2021 1–75 of 121 Next Last