Collatz in Python in chars. 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 714th cole-wilson 582 98 18ms 9 Dec 2024 714th Akilles1 582 98 20ms 15 May 2025 714th Hyperoplex145 582 98 20ms 11 Nov 2025 724th LukeRichardson-dev 576 99 16ms 12 May 2022 724th Tagfox 576 99 20ms 18 Jul 2022 724th gabrielsqw 576 99 25ms 24 Oct 2023 724th sciencedjinn 576 99 17ms 8 Nov 2024 724th MrNiknoc 576 99 21ms 15 Jun 2025 729th OppositeShark 570 100 19ms 19 Jul 2022 729th NOS4A5I 570 100 19ms 10 Jan 2023 729th lomarbrick 570 100 19ms 16 May 2023 729th karlaacastro44 570 100 24ms 5 May 2025 733rd markus-rekdal 564 101 24ms 10 May 2022 733rd fraserli 🇦🇺 564 101 24ms 2 May 2023 733rd FCORMERAIS 564 101 19ms 6 Mar 2024 733rd yhm138 564 101 14ms 16 Feb 2025 733rd MinecraftFan69420 564 101 22ms 31 Oct 2025 738th AndersH3 🇸🇪 559 102 15ms 17 May 2023 738th JulieGermainUNT 559 102 20ms 2 Apr 2025 738th NicoBliss 559 102 24ms 16 Nov 2025 741st rajlath 553 103 19ms 7 Jan 2023 741st mnurzia 553 103 16ms 12 Oct 2023 741st sqrteipi 553 103 21ms 2 Apr 2024 741st calum12345 553 103 21ms 26 Mar 2025 745th winigo3 548 104 24ms 8 Aug 2022 745th zt14427 548 104 22ms 30 Apr 2023 745th IoLimmer 548 104 17ms 24 Jul 2024 745th Deneb999 548 104 25ms 26 Feb 2026 749th LordSir101 543 105 17ms 19 Jul 2022 749th tmanternach 543 105 24ms 24 Nov 2022 749th weber-hge 543 105 17ms 13 Jun 2023 749th Eugen-str 543 105 19ms 24 Oct 2023 753rd ms-tingliang 538 106 16ms 5 Aug 2022 753rd achilleasr 538 106 23ms 7 Nov 2022 753rd OleBrumm 538 106 20ms 8 Jan 2023 753rd AbhilashaTandon 538 106 20ms 19 Sep 2023 753rd sheeperino 🇮🇹 538 106 21ms 11 Oct 2024 758th phpboyscout 533 107 17ms 18 May 2023 758th DrPrettyman 533 107 16ms 5 Jul 2023 758th joseph-w0ng 533 107 15ms 5 Jul 2024 758th EnisEfe0 533 107 21ms 18 May 2025 762nd landyrisbad 528 108 21ms 13 Nov 2022 762nd cakular 528 108 29ms 17 May 2024 762nd glassala 528 108 13ms 25 Oct 2024 762nd CarterStroik 528 108 19ms 12 Nov 2025 766th tjefferson401 523 109 28ms 16 Sep 2022 766th ariesmarinus 523 109 16ms 21 Nov 2024 768th profJGermain 518 110 21ms 7 Feb 2024 768th JMMMMC 518 110 20ms 23 Oct 2024 768th jtb0362 518 110 19ms 10 May 2025 771st sagnik3 509 112 20ms 8 Aug 2022 771st craftablescience 509 112 16ms 19 Sep 2023 773rd kelseychristensen 504 113 20ms 2 Nov 2022 773rd ArmsTheLimited 504 113 15ms 1 Jun 2023 775th jstechman 496 115 19ms 24 Feb 2024 775th dan422442 496 115 19ms 19 Oct 2024 777th keelanfh 491 116 15ms 20 Dec 2023 777th returnitynet 491 116 19ms 27 Jan 2025 777th EthanPatel01000101 491 116 16ms 20 Oct 2025 780th gioto64 487 117 17ms 8 Dec 2022 780th WilfredSalmon 487 117 16ms 21 Oct 2023 782nd XianchengZ 483 118 19ms 18 Aug 2023 782nd brindak2005 483 118 17ms 2 May 2025 784th jmmographer 467 122 20ms 21 Oct 2023 784th RucatJ 467 122 17ms 8 Aug 2025 786th xbxbxb007 463 123 22ms 10 Jan 2024 787th kevinnaviapaiva 442 129 16ms 20 Feb 2025 788th AdrianN001 438 130 17ms 6 Aug 2023 789th wyatt-the-hump 435 131 17ms 24 Dec 2022 789th hotmanga 435 131 14ms 20 Oct 2023 789th Jordynar02 435 131 18ms 3 May 2025 792nd Zach10za 429 133 22ms 23 Jan 2024 793rd vtilde 425 134 18ms 8 Jan 2024 794th fig-apple 422 135 12ms 24 Jun 2023 795th S-Ruban 416 137 15ms 25 Feb 2023 796th FLOKI0421 410 139 17ms 4 May 2025 796th noahdorsch 410 139 22ms 5 May 2025 798th bartsowka2000 383 149 22ms 10 Jul 2023 799th KapelMeister 380 150 14ms 5 Sep 2025 800th Shegofa-Ahmadi 370 154 15ms 28 Apr 2025 First Prev 721–800 of 849 Next Last
