Collatz in Python in bytes. 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 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 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 Calendar 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 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 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 Calendar 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 137th M0PKOBKA 863 73 23ms 19 Dec 2022 137th calumacutt 863 73 26ms 19 Dec 2022 137th thehylian 863 73 27ms 2 Jan 2023 137th fynnkroeger 863 73 32ms 6 Jan 2023 137th shellbertt 🇨🇦 863 73 22ms 13 Jan 2023 137th hunt-g 863 73 22ms 4 Feb 2023 137th ljweel 863 73 20ms 13 Feb 2023 137th jmerle 🇳🇱 863 73 20ms 16 Feb 2023 137th TaserTheFox 🇺🇸 863 73 26ms 14 Mar 2023 137th pinguicula 863 73 20ms 6 Apr 2023 137th TheoKeller1 863 73 27ms 11 Jun 2023 137th fkantelberg 863 73 19ms 16 Jul 2023 137th Mikey-Beep 🇬🇧 863 73 20ms 31 Aug 2023 137th eiburns 863 73 23ms 9 Oct 2023 137th htareque 863 73 20ms 13 Oct 2023 137th wearsunscreen 863 73 21ms 18 Oct 2023 137th bzijlema 🇳🇱 863 73 20ms 25 Oct 2023 137th Grrisly 863 73 19ms 10 Nov 2023 137th m42km 863 73 20ms 11 Nov 2023 137th GeneralPoxter 863 73 19ms 7 Dec 2023 137th logvp 863 73 23ms 12 Jan 2024 137th JoaoFelipe3 863 73 21ms 13 Jan 2024 137th ehulinsky 🇺🇸 863 73 19ms 16 Feb 2024 137th Lewenhaupt 863 73 20ms 23 Feb 2024 137th Yewzir 🇧🇪 863 73 19ms 5 Apr 2024 137th stertooy 🇧🇪 863 73 19ms 9 Jun 2024 137th cuboids 863 73 21ms 11 Jul 2024 137th jipsong 🇩🇪 863 73 19ms 23 Jul 2024 137th mattyhempstead 863 73 20ms 6 Oct 2024 137th wh3n3v3r 🇨🇿 863 73 21ms 18 Nov 2024 137th klixel 🇨🇦 863 73 23ms 18 Nov 2024 137th tjwrenn 863 73 23ms 10 Dec 2024 137th nullie 863 73 22ms 19 Dec 2024 137th maxgodfrey2004 🇨🇦 863 73 20ms 13 Feb 2025 137th lolgeny 863 73 19ms 22 Feb 2025 137th andrewjc2000 863 73 18ms 23 Feb 2025 137th Languag3 863 73 22ms 27 Feb 2025 137th Bulmenisaurus 863 73 23ms 2 Mar 2025 137th souta-1326 863 73 20ms 1 Apr 2025 137th BenjaminHGong 863 73 22ms 26 May 2025 137th FEZfan 🇦🇺 863 73 19ms 11 Jul 2025 137th wuduculfre 863 73 19ms 28 Jul 2025 137th BREMAUCY 🇫🇷 863 73 19ms 24 Aug 2025 137th FortuiteMan 🇫🇷 863 73 19ms 28 Sep 2025 137th miaoaixuan 863 73 21ms 30 Sep 2025 196th TobyBoyne 🇬🇧 851 74 20ms 4 May 2022 196th RDShah 851 74 21ms 6 May 2022 196th Indivicivet 851 74 19ms 9 May 2022 196th CedricGebistorf 851 74 18ms 9 May 2022 196th ophact 851 74 22ms 11 May 2022 196th ImpressedByRocks 851 74 18ms 17 May 2022 196th LHuitre 851 74 21ms 2 Jun 2022 196th neihousaigaai 851 74 17ms 8 Jun 2022 196th rowboat1 851 74 19ms 10 Jun 2022 196th inverseLorentz 🇦🇺 851 74 19ms 13 Jun 2022 196th yzhs 🇩🇪 851 74 21ms 16 Jun 2022 196th clementblaudeau 851 74 23ms 29 Jun 2022 196th adoxography 851 74 24ms 13 Jul 2022 196th Attero 🇸🇪 851 74 22ms 20 Jul 2022 196th Heathcorp 🇦🇺 851 74 20ms 27 Jul 2022 196th jfallon1997 851 74 18ms 11 Aug 2022 196th VictorFordham 851 74 23ms 26 Aug 2022 196th georgehulme 851 74 19ms 1 Sep 2022 196th smartiel 851 74 21ms 15 Sep 2022 196th trist224 🇫🇷 851 74 21ms 21 Sep 2022 196th Kloppermand 🇩🇰 851 74 18ms 7 Oct 2022 196th knutae 🇳🇴 851 74 18ms 9 Oct 2022 196th Troon 851 74 20ms 14 Oct 2022 196th MaxElf999 851 74 21ms 14 Oct 2022 196th jakobkordez 🇸🇮 851 74 20ms 19 Oct 2022 196th Fishron 851 74 19ms 29 Nov 2022 196th SniperSmiley 🇺🇸 851 74 20ms 6 Dec 2022 196th elephantpanda 851 74 20ms 10 Dec 2022 196th ArthurBond 851 74 19ms 19 Dec 2022 196th ItsMeNoobieboy 851 74 20ms 20 Dec 2022 First Prev 151–225 of 802 Next Last
M0PKOBKA
calumacutt
thehylian
fynnkroeger
shellbertt
🇨🇦
hunt-g
ljweel
jmerle
🇳🇱
TaserTheFox
🇺🇸
pinguicula
TheoKeller1
fkantelberg
Mikey-Beep
🇬🇧
eiburns
htareque
wearsunscreen
bzijlema
🇳🇱
Grrisly
m42km
GeneralPoxter
logvp
JoaoFelipe3
ehulinsky
🇺🇸
Lewenhaupt
Yewzir
🇧🇪
stertooy
🇧🇪
cuboids
jipsong
🇩🇪
mattyhempstead
wh3n3v3r
🇨🇿
klixel
🇨🇦
tjwrenn
nullie
maxgodfrey2004
🇨🇦
lolgeny
andrewjc2000
Languag3
Bulmenisaurus
souta-1326
BenjaminHGong
FEZfan
🇦🇺
wuduculfre
BREMAUCY
🇫🇷
FortuiteMan
🇫🇷
miaoaixuan
TobyBoyne
🇬🇧
RDShah
Indivicivet
CedricGebistorf
ophact
ImpressedByRocks
LHuitre
neihousaigaai
rowboat1
inverseLorentz
🇦🇺
yzhs
🇩🇪
clementblaudeau
adoxography
Attero
🇸🇪
Heathcorp
🇦🇺
jfallon1997
VictorFordham
georgehulme
smartiel
trist224
🇫🇷
Kloppermand
🇩🇰
knutae
🇳🇴
Troon
MaxElf999
jakobkordez
🇸🇮
Fishron
SniperSmiley
🇺🇸
elephantpanda
ArthurBond
ItsMeNoobieboy