The Multitap Input hole will go live in approximately 4 days. Why not try and solve it ahead of time?
Leap Years in Java 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 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 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 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 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 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 77th JC-ProgJava 575 113 399ms 9 Jan 2022 77th bob-th 575 113 381ms 30 Jun 2022 77th pandaninjas 575 113 375ms 1 Nov 2022 77th dteague3989 575 113 376ms 25 May 2023 77th DihydrogenMonoxideH2O 575 113 353ms 28 Jan 2025 77th eMGeeneer 575 113 369ms 19 Sep 2025 87th b10011 🇫🇮 570 114 390ms 29 Jun 2020 87th richard-oelze 🇩🇪 570 114 371ms 16 Nov 2020 87th stordev 570 114 368ms 26 Feb 2021 87th AIn0n 570 114 356ms 19 Aug 2021 87th Carloz69 570 114 377ms 3 Dec 2021 87th bsoyka 🇺🇸 570 114 369ms 9 Jan 2022 87th yoshykai 570 114 500ms 27 Mar 2025 94th GnotAGnelf 565 115 388ms 24 Nov 2020 94th BrianWanamaker 565 115 366ms 2 Nov 2023 94th Benzas01 565 115 582ms 5 Oct 2025 97th jetzerv 560 116 374ms 18 Dec 2020 97th riviere-lucas 560 116 374ms 28 Dec 2020 97th louisbosqui 560 116 435ms 28 Dec 2020 97th Nick-NCSU 560 116 376ms 1 Nov 2021 97th bwat2 560 116 381ms 21 Apr 2022 97th OriEy 560 116 364ms 26 Apr 2023 97th mathislife22 560 116 371ms 31 Aug 2023 97th crizin 🇰🇷 560 116 376ms 9 Sep 2023 97th DardS8Br 560 116 380ms 3 Nov 2023 106th jjstreet 556 117 386ms 24 Nov 2020 106th ReidZ3 🇺🇸 556 117 372ms 28 Nov 2020 106th JacobStanleyJones 556 117 375ms 5 Sep 2021 106th JustRevDice 556 117 393ms 6 Dec 2021 106th Seanharrs 556 117 360ms 15 Dec 2021 106th joshuaxie8 556 117 354ms 9 Jul 2025 112th mathwiz42 551 118 386ms 17 Aug 2020 112th eecb 551 118 379ms 24 Nov 2020 112th Omega65536 🇩🇪 551 118 385ms 7 Jan 2021 112th glorpglob 551 118 408ms 6 Feb 2021 112th azka1368 551 118 381ms 24 Nov 2023 112th roguh 🇬🇹 551 118 371ms 14 Jan 2024 112th atazzam 🇺🇸 551 118 356ms 28 Jan 2025 119th fullerlee 546 119 358ms 30 Nov 2020 119th riccetn 546 119 373ms 7 Jul 2022 119th Siri-chan 546 119 356ms 8 Jan 2025 122nd melisakmc 542 120 380ms 1 Feb 2022 123rd elefavour 537 121 379ms 6 Jan 2025 123rd matas132 537 121 389ms 16 Sep 2025 125th StronkCheese 🇺🇸 533 122 384ms 27 Jan 2023 125th Sora1248 🇩🇪 533 122 370ms 19 Feb 2023 125th 1231234md5 🇨🇳 533 122 372ms 11 Dec 2023 128th Smetalo 528 123 372ms 25 Aug 2022 128th Maximizer02 528 123 373ms 18 Oct 2023 128th onsagere 528 123 383ms 5 Oct 2024 131st EFHIII 524 124 369ms 16 Aug 2020 131st StirFrySauce 524 124 356ms 28 Jan 2025 133rd sech1p 🇵🇱 520 125 383ms 30 Oct 2020 133rd EthanGrant1 520 125 393ms 13 Apr 2022 135th amber1093 516 126 339ms 22 Feb 2024 135th PanNessMain 516 126 375ms 10 Oct 2024 137th Robi1718 512 127 386ms 6 Dec 2021 137th Trujillo707 512 127 384ms 18 Sep 2025 139th Larsen2328 508 128 391ms 27 Apr 2021 139th TrixTrl 508 128 396ms 19 Nov 2021 139th Grrine 508 128 358ms 28 Jan 2025 142nd rachitkeyal 504 129 384ms 10 Nov 2022 142nd ShepardToTheStars 504 129 375ms 5 Jan 2024 142nd tik25 504 129 374ms 28 Mar 2024 145th daetz 500 130 392ms 8 Aug 2020 146th slammer903 492 132 381ms 24 Oct 2022 146th Yareeeema 492 132 384ms 26 Jan 2024 148th noahdorsch 489 133 520ms 15 Jul 2024 149th vSweePerxX 485 134 378ms 26 Feb 2021 150th HalvorOverby 481 135 399ms 22 Dec 2021 151st achow0 478 136 361ms 12 Aug 2020 151st gthayden23 478 136 368ms 5 Oct 2024 153rd WilleyOhana 458 142 376ms 12 Oct 2020 154th Zstr25 448 145 361ms 10 Sep 2025 155th artisiole 🇺🇸 428 152 365ms 4 Mar 2022 156th 0dyse 425 153 415ms 15 Apr 2025 157th GWStuart 419 155 394ms 15 Sep 2023 158th jackdonofrio 401 162 390ms 26 Sep 2020 158th Pyro569 401 162 375ms 30 Jul 2023 160th YPuest 387 168 377ms 20 Feb 2023 First Prev 81–160 of 171 Next Last
