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 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 235th LostSyntax21 🇬🇧 770 74 20ms 10 Sep 2024 235th Deedogg 770 74 26ms 11 Sep 2024 235th MassimoParisi 770 74 23ms 18 Sep 2024 235th agreegious 770 74 18ms 17 Nov 2024 235th Stockoh 🇫🇷 770 74 25ms 17 Nov 2024 235th Andrey135296 770 74 20ms 24 Nov 2024 235th TralfamadorianComedian 770 74 19ms 6 Dec 2024 235th bltnppcnt 770 74 35ms 3 Jan 2025 235th ZorblaxV 770 74 27ms 12 Jan 2025 235th yokasuretsu 770 74 21ms 13 Jan 2025 235th gdpr777 770 74 35ms 10 Feb 2025 235th Pyroan 770 74 22ms 27 Mar 2025 235th Squimbletin 770 74 20ms 19 Apr 2025 235th Dandandooo 770 74 22ms 23 Apr 2025 235th khangtm123 770 74 20ms 4 May 2025 235th 40fied4t 770 74 24ms 6 May 2025 235th georgekattenbelt 770 74 17ms 6 May 2025 235th TheZwierzLF 🇵🇱 770 74 20ms 21 May 2025 235th kbeat 🇰🇿 770 74 23ms 21 May 2025 235th LvLError 770 74 19ms 29 May 2025 235th Lv0Sys 🇵🇱 770 74 18ms 30 May 2025 235th ffelixm 770 74 25ms 3 Jun 2025 235th osNiko 🇧🇷 770 74 20ms 26 Jul 2025 235th wobblybits 770 74 20ms 13 Aug 2025 235th denisfouchard 770 74 22ms 23 Aug 2025 235th Emutis 🇱🇹 770 74 31ms 23 Aug 2025 235th edsrzf 🇳🇿 770 74 20ms 10 Sep 2025 235th Matter1024 🇮🇳 770 74 20ms 11 Sep 2025 235th pauljoohyunkim 770 74 20ms 25 Sep 2025 235th joll05 🇸🇪 770 74 25ms 21 days ago 235th retrohun 770 74 27ms 19 days ago 235th solisolu 770 74 21ms 18 days ago 235th Code-Coder-coder 770 74 19ms 10 days ago 334th martinnorling 🇸🇪 760 75 24ms 5 May 2022 334th Trunksistor 🇫🇷 760 75 23ms 9 May 2022 334th bbakersmith 760 75 30ms 28 Jun 2022 334th bsoyka 🇺🇸 760 75 20ms 16 Jul 2022 334th julienlamoureux78 760 75 20ms 12 Aug 2022 334th dzshn 760 75 29ms 16 Aug 2022 334th destofr 760 75 20ms 25 Aug 2022 334th vishwathg 760 75 47ms 10 Oct 2022 334th nkoppel 760 75 19ms 19 Oct 2022 334th AZ9tumas 760 75 21ms 23 Oct 2022 334th EthanGrant1 760 75 33ms 7 Nov 2022 334th Omega65536 🇩🇪 760 75 18ms 24 Nov 2022 334th b10011 🇫🇮 760 75 27ms 3 Jan 2023 334th 4ndyJ 🇬🇧 760 75 23ms 3 Jan 2023 334th randolchance 760 75 19ms 8 Jan 2023 334th LeeCamp 760 75 19ms 12 Jan 2023 334th hellwue 760 75 20ms 15 Feb 2023 334th nandanjp 760 75 20ms 29 Mar 2023 334th galloj 🇨🇿 760 75 20ms 20 May 2023 334th jhu04 760 75 21ms 23 Jun 2023 334th HelloYuiYui 760 75 20ms 1 Nov 2023 334th tobyLovick 760 75 29ms 10 Nov 2023 334th RZ781 760 75 29ms 19 Nov 2023 334th mikehanus 760 75 27ms 21 Nov 2023 334th Hebelub 760 75 23ms 6 Jan 2024 334th minhtrancccp 760 75 27ms 11 Jan 2024 334th jbjd 760 75 23ms 25 Feb 2024 334th gabe-gallegos 760 75 23ms 2 May 2024 334th kejcao 🇨🇦 760 75 26ms 11 May 2024 334th Florian-Mt 760 75 19ms 22 Jul 2024 334th codingisgreatbutiamnot 760 75 24ms 9 Aug 2024 334th Terobero 760 75 32ms 23 Aug 2024 334th RedzGoose 🇦🇺 760 75 22ms 7 Oct 2024 334th Clay-Goodling 760 75 24ms 8 Oct 2024 334th jiji7879 760 75 23ms 20 Jun 2025 334th faragocsaba 760 75 26ms 22 Jun 2025 334th bknower 760 75 23ms 30 Jun 2025 334th clayboll99 760 75 28ms 14 Jul 2025 334th fvla 760 75 33ms 8 days ago 373rd guilhem-roy 🇫🇷 750 76 25ms 5 May 2022 373rd NewDefectus 🇮🇱 750 76 22ms 6 May 2022 373rd CuboidRaptor 🇨🇦 750 76 24ms 25 May 2022 First Prev 301–375 of 791 Next Last
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