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Leap Years in C# 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 70th dorschmeister 881 67 318ms 18 May 2023 70th Matgc04 881 67 317ms 20 May 2023 70th Adix-null 🇱🇹 881 67 322ms 6 Jun 2023 70th rifatx 881 67 310ms 9 Jul 2024 70th Bubblesphere 881 67 331ms 24 Dec 2024 70th CaedenHarper 🇨🇦 881 67 354ms 1 Feb 2025 70th Mikey-Beep 🇬🇧 881 67 318ms 23 Jul 2025 83rd hklemp 🇩🇪 868 68 345ms 21 Nov 2021 83rd Re-Adventures 🇮🇳 868 68 326ms 15 Feb 2022 83rd malworthy 868 68 324ms 17 Oct 2023 83rd michelebastione 🇮🇹 868 68 354ms 6 Aug 2025 83rd snoozingnewt 🇺🇸 868 68 318ms 4 Oct 2025 88th muztanger 855 69 304ms 21 Nov 2021 88th tdkkdt 🇷🇺 855 69 325ms 21 Nov 2021 88th ericlangedijk 🇸🇮 855 69 316ms 19 Mar 2022 88th hacktick 855 69 318ms 22 Mar 2022 88th RandGuy 855 69 316ms 1 Apr 2022 88th arctouch-cristiannevianna 855 69 314ms 21 Jun 2023 94th DonForse 843 70 322ms 21 Nov 2021 94th jahakari 843 70 312ms 21 Nov 2021 94th Trickermand 843 70 310ms 21 Nov 2021 94th ChrisTheisen 843 70 318ms 12 Dec 2022 94th StronkCheese 🇺🇸 843 70 318ms 4 Feb 2023 94th TimJackMaster 843 70 310ms 16 Feb 2023 94th Sora1248 🇩🇪 843 70 315ms 19 Feb 2023 94th 1231234md5 🇨🇳 843 70 311ms 11 Dec 2023 102nd Cbrt74088 831 71 316ms 21 Nov 2021 102nd mandm-pt 831 71 314ms 21 Nov 2021 102nd bschorno 831 71 312ms 3 Aug 2022 102nd kkoenig 831 71 314ms 22 Dec 2023 106th c0d3-4-F00d 🇩🇪 819 72 322ms 21 Nov 2021 106th grabthefish 819 72 319ms 21 Nov 2021 106th tomh1012 819 72 335ms 21 Nov 2021 106th shellbertt 🇨🇦 819 72 317ms 2 Dec 2021 106th hippopotam00sehead 🇨🇦 819 72 344ms 11 Sep 2024 106th edsrzf 🇳🇿 819 72 313ms 12 Nov 2024 112th afgarciam 808 73 316ms 21 Nov 2021 112th bac0id 808 73 309ms 21 Nov 2021 112th meesterturner 808 73 334ms 21 Nov 2021 112th mickeyMouse1108 808 73 337ms 21 Nov 2021 112th qpooqp 808 73 312ms 21 Nov 2021 112th gpikmddk 808 73 318ms 12 Aug 2022 118th Adelzu 797 74 310ms 21 Nov 2021 118th bdawgert 797 74 309ms 21 Nov 2021 118th MarkStockwellZA 797 74 310ms 4 Jan 2022 118th rolandbogdan 797 74 303ms 28 Jul 2022 118th Alex-Huggett 🇬🇧 797 74 320ms 13 Apr 2024 123rd jsermini2 787 75 315ms 21 Nov 2021 123rd pikti 787 75 308ms 21 Nov 2021 123rd ertz1ertz 787 75 316ms 12 Jul 2024 126th mort607e 776 76 313ms 21 Nov 2021 126th pandapawskat 776 76 311ms 21 Nov 2021 126th Skleni 776 76 318ms 29 Mar 2023 129th Smetalo 766 77 317ms 25 Aug 2022 130th Hankinabag 756 78 315ms 21 Nov 2021 130th HassanAliKadhem 🇧🇭 756 78 318ms 16 Jan 2022 132nd arndta 747 79 352ms 21 Nov 2021 132nd Maximizer02 747 79 315ms 18 Oct 2023 134th jwalaszek 738 80 312ms 21 Nov 2021 135th ms-tingliang 728 81 313ms 5 Aug 2022 136th sm1lko 694 85 322ms 12 Oct 2022 137th danmunozmunoz 🇪🇸 608 97 329ms 24 Nov 2022 138th JacobStanleyJones 596 99 324ms 21 Nov 2021 138th Xwilarg 🇫🇷 596 99 337ms 21 Nov 2021 138th artisiole 🇺🇸 596 99 309ms 4 Mar 2022 141st Jennifervl 🇸🇪 573 103 323ms 11 Dec 2021 142nd HumanEquivalentUnit 567 104 326ms 28 Dec 2021 143rd nickdevore 557 106 314ms 21 Nov 2021 143rd bilal2709 557 106 328ms 3 Sep 2025 145th horvaro 532 111 325ms 15 Jun 2023 146th liorksh 522 113 328ms 21 Nov 2021 147th RobertEves92 🇬🇧 504 117 314ms 15 May 2024 148th Cool-Ari 496 119 324ms 7 Aug 2022 149th Pyro569 488 121 318ms 20 Jul 2023 150th hdformat 454 130 316ms 21 Nov 2021 First Prev 76–150 of 157 Next Last