Collatz 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 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Knight 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 598th VladislavGitter 🇪🇸 620 92 14 Nov 2023 598th ridingqwerty 🇺🇸 620 92 22 Dec 2023 598th Thonoton 620 92 1 Feb 2024 598th OCNeve 620 92 17 Jun 2024 598th themoonisacheese 620 92 25 Feb 2025 598th BabySharkHi 620 92 22 Apr 2025 607th Bananapants22 613 93 4 Sep 2022 607th jaxmattfair 🇺🇸 613 93 10 Jan 2023 607th fenix-bear 613 93 18 Nov 2023 607th epic-programmer-guy 613 93 22 Dec 2023 607th brimstonetrader 613 93 18 Nov 2024 607th Aquateraneal 613 93 11 days ago 613th atazzam 🇺🇸 606 94 18 May 2022 613th rohangpta 606 94 8 Aug 2022 613th shinylego 606 94 14 Sep 2022 613th sgaltair 606 94 4 Nov 2022 613th TotoAJ 606 94 15 Dec 2023 613th Gusic06 606 94 6 May 2024 613th kyleyarwood 606 94 6 Oct 2024 613th jj0786-cell 606 94 1 Apr 2025 613th griffinschreiber 606 94 1 Apr 2025 622nd felixcroc 600 95 30 Mar 2023 622nd Pyro569 600 95 4 Jul 2023 622nd rm-rf-innocence 600 95 19 Dec 2023 622nd Bit125 600 95 30 Jan 2024 622nd aalec 600 95 25 Apr 2024 622nd strogor 600 95 13 Jun 2025 622nd cthierfelder 600 95 17 Jul 2025 629th karhuthebear 594 96 9 May 2022 629th qwjhvbxi 594 96 6 Feb 2024 629th alfonsoalves 594 96 21 Jul 2024 629th jeff-re 594 96 1 Apr 2025 633rd a-penton 588 97 22 Sep 2022 633rd jrbud 588 97 6 Jan 2024 633rd befoster 588 97 22 Feb 2024 633rd joshua-el-samalouti 🇩🇪 588 97 26 May 2024 633rd luca1339 588 97 10 Jun 2024 638th lukemalek 582 98 10 Oct 2022 638th UltimateGuy0987 582 98 14 Oct 2022 638th TheLazySquid 582 98 20 Dec 2022 638th StronkCheese 🇺🇸 582 98 13 Mar 2023 638th Anthony-Williams-06 582 98 17 Oct 2023 638th NoneTheFewer 582 98 17 May 2024 638th abcdhhhh 582 98 27 Aug 2024 638th OSYCh314 🇦🇺 582 98 16 Nov 2024 638th cole-wilson 582 98 9 Dec 2024 638th Akilles1 582 98 15 May 2025 648th LukeRichardson-dev 576 99 12 May 2022 648th Tagfox 576 99 18 Jul 2022 648th gabrielsqw 576 99 24 Oct 2023 648th sciencedjinn 576 99 8 Nov 2024 648th MrNiknoc 576 99 15 Jun 2025 653rd OppositeShark 570 100 19 Jul 2022 653rd NOS4A5I 570 100 10 Jan 2023 653rd lomarbrick 570 100 16 May 2023 653rd karlaacastro44 570 100 5 May 2025 657th markus-rekdal 564 101 10 May 2022 657th fraserli 🇦🇺 564 101 2 May 2023 657th FCORMERAIS 564 101 6 Mar 2024 657th yhm138 564 101 16 Feb 2025 661st AndersH3 🇸🇪 559 102 17 May 2023 661st JulieGermainUNT 559 102 2 Apr 2025 663rd rajlath 553 103 7 Jan 2023 663rd mnurzia 553 103 12 Oct 2023 663rd sqrteipi 553 103 2 Apr 2024 663rd calum12345 553 103 26 Mar 2025 663rd SectorCorruptor 553 103 9 days ago 668th winigo3 548 104 8 Aug 2022 668th zt14427 548 104 30 Apr 2023 668th IoLimmer 548 104 24 Jul 2024 671st LordSir101 543 105 19 Jul 2022 671st tmanternach 543 105 24 Nov 2022 671st weber-hge 543 105 13 Jun 2023 671st Eugen-str 543 105 24 Oct 2023 675th ms-tingliang 538 106 5 Aug 2022 Prev 601–675 of 769 Next
