The Minesweeper hole will go live in approximately 5 days. Why not try and solve it ahead of time?
Happy Numbers in Python in chars. Cheevos Holes Recent Holes Langs Medals Misc 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Erlang 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 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 Erlang 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 525th sleepyStick 387 124 17ms 11 Mar 2022 527th lmeuser 384 125 12ms 2 Dec 2017 527th 0xCake 384 125 18ms 20 Apr 2020 527th haydenridd 384 125 10ms 20 Oct 2020 527th markbyrne 384 125 10ms 20 Oct 2020 527th samchristiandd 384 125 11ms 19 Feb 2021 527th clementblaudeau 384 125 11ms 26 May 2021 527th brochmann 🇸🇪 384 125 10ms 6 Feb 2022 527th AliceFord 384 125 10ms 2 Jun 2022 527th elephantpanda 384 125 9ms 31 Aug 2022 527th Azearia 384 125 10ms 1 Dec 2022 527th Schreipfelerer 384 125 10ms 9 Apr 2023 527th eddvrs 384 125 10ms 21 Dec 2023 527th qwjhvbxi 384 125 12ms 8 Feb 2024 527th Pale-Vessel 384 125 10ms 1 Apr 2024 527th hippopotam00sehead 🇨🇦 384 125 9ms 13 Sep 2024 527th TralfamadorianComedian 384 125 10ms 31 Dec 2024 527th TheZwierzLF 🇵🇱 384 125 32ms 25 May 2025 544th rschwa6308 🇺🇸 381 126 18ms 6 Aug 2020 544th jackedwards04 381 126 13ms 22 Nov 2020 544th b4dpxl 381 126 19ms 10 Nov 2021 544th jettdc 381 126 11ms 31 Dec 2022 544th jstechman 381 126 11ms 9 Mar 2024 549th usnheckler 378 127 67ms 7 Jun 2019 549th derekthatcher 378 127 25ms 25 Sep 2020 549th bastienvoirin 🇫🇷 378 127 17ms 28 Nov 2020 549th Evan-Robotics 378 127 18ms 26 Jan 2022 549th gareth-kmet 378 127 18ms 2 Mar 2023 554th petar-donchev 375 128 11ms 8 Sep 2019 554th shibacho 🇯🇵 375 128 18ms 25 Nov 2022 554th EthanJantz 375 128 24ms 27 Aug 2025 557th ChristianFieldhouse 372 129 10ms 22 Mar 2021 558th richard-oelze 🇩🇪 369 130 18ms 28 Feb 2021 558th yokasuretsu 369 130 12ms 28 Nov 2021 558th andrewgopher 369 130 12ms 27 Jun 2022 558th LukasFolwarczny 🇨🇿 369 130 17ms 16 Sep 2022 558th ThatAlo 369 130 12ms 27 Jan 2023 558th Coding4Hours 369 130 19ms 4 Oct 2024 558th IsaacAlexBarden 369 130 15ms 13 Feb 2025 565th ozewski 366 131 71ms 2 May 2019 565th guliyevemil1 🇦🇿 366 131 11ms 18 Apr 2020 565th Gordo5556 366 131 12ms 29 Apr 2022 568th theonlytruemathnerd 364 132 19ms 11 Jan 2020 568th JuanGomez12 364 132 11ms 2 Feb 2023 568th aszku 364 132 10ms 20 Apr 2023 568th strogor 364 132 11ms 9 Jun 2025 572nd Manby 361 133 10ms 30 Jun 2021 572nd byteDJINN 361 133 17ms 16 Jan 2024 574th skps2010 358 134 10ms 4 Jan 2019 574th patbassing 358 134 10ms 26 May 2019 574th Nibamot 358 134 10ms 19 Feb 2020 574th aagray33 358 134 11ms 28 Feb 2020 574th Techdude01 358 134 18ms 17 Dec 2022 574th julian-hoelz 358 134 11ms 15 Sep 2024 580th bkshrader 356 135 18ms 27 Dec 2018 580th reubengann 356 135 15ms 14 Feb 2020 580th FusionAtom360 356 135 13ms 28 Sep 2024 580th DGipe 356 135 11ms 3 days ago 584th smartiel 353 136 12ms 15 Sep 2022 584th ComputerKWasTaken 🇺🇸 353 136 17ms 8 Jun 2024 586th DrPrettyman 350 137 16ms 1 Jun 2023 587th adamhass 348 138 12ms 19 Jul 2018 587th mrmena 🇦🇺 348 138 17ms 16 Apr 2024 589th jmhowl 345 139 18ms 19 Jan 2020 589th mokymok 🇺🇸 345 139 18ms 29 Dec 2021 589th lightediand 🇬🇧 345 139 10ms 18 Jan 2023 589th CyberTapir 345 139 11ms 1 Sep 2024 589th Wonamm 345 139 14ms 14 Feb 2025 589th TJK-S 345 139 13ms 3 days ago 595th mcdowell95 343 140 11ms 26 Mar 2020 595th osmith93 343 140 10ms 31 Jul 2021 595th 104210 343 140 16ms 11 May 2022 598th Pierrot-Baptiste 340 141 12ms 9 Aug 2020 598th dranjohn 340 141 11ms 10 Sep 2023 598th SURAJMITTAL 340 141 11ms 20 Dec 2024 First Prev 526–600 of 694 Next Last