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 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 Chars Time Submitted 337th mmoffitt 760 75 22ms 14 hours ago 377th guilhem-roy 🇫🇷 750 76 24ms 5 May 2022 377th NewDefectus 🇮🇱 750 76 22ms 6 May 2022 377th CuboidRaptor 🇨🇦 750 76 23ms 25 May 2022 377th TheSmilingTurtle 750 76 33ms 5 Jun 2022 377th Romain-1 🇫🇷 750 76 18ms 8 Jun 2022 377th jhpaques 🇫🇷 750 76 22ms 30 Jul 2022 377th chriscianfarani 750 76 21ms 10 Aug 2022 377th eshilo-draper 750 76 21ms 13 Sep 2022 377th suwat513 750 76 21ms 22 Sep 2022 377th PogLop 🇨🇿 750 76 19ms 3 Nov 2022 377th Jaydosu 750 76 21ms 14 Nov 2022 377th tails618 750 76 27ms 2 Dec 2022 377th KevinLyvers 750 76 19ms 17 Dec 2022 377th nayakrujul 750 76 20ms 3 Jan 2023 377th CatsAreFluffy 750 76 26ms 18 Feb 2023 377th Schreipfelerer 750 76 27ms 9 Apr 2023 377th hm5822 750 76 24ms 22 Apr 2023 377th celiendonze 🇨🇭 750 76 27ms 5 Jul 2023 377th brochmann 🇸🇪 750 76 19ms 13 Aug 2023 377th Command-Master 750 76 35ms 2 Oct 2023 377th chartung17 750 76 19ms 17 Dec 2023 377th smokestacklightnin 🇺🇸 750 76 30ms 10 Jan 2024 377th NickTheEASDude 🇺🇸 750 76 62ms 26 Jan 2024 377th yuchuehw 750 76 26ms 2 Feb 2024 377th Azearia 750 76 32ms 26 Feb 2024 377th khavik 750 76 26ms 29 May 2024 377th Ythaenagor 750 76 22ms 5 Aug 2024 377th martion2007 750 76 50ms 9 Aug 2024 377th sjrct 750 76 25ms 10 Aug 2024 377th Mathrew2012 750 76 22ms 9 Nov 2024 377th kawrei 750 76 24ms 4 May 2025 377th mathieurodic 750 76 26ms 21 Oct 2025 409th cooljoseph1 740 77 23ms 6 May 2022 409th krcs 🇵🇱 740 77 20ms 11 May 2022 409th kenballus 740 77 24ms 13 Jul 2022 409th 104210 740 77 23ms 29 Jul 2022 409th andre-de-lorde 740 77 19ms 1 Sep 2022 409th zstephe 740 77 24ms 2 Dec 2022 409th badboj40 740 77 24ms 27 Dec 2022 409th henrytranter 740 77 24ms 11 Jan 2023 409th DragonaireM 740 77 24ms 6 Feb 2023 409th Ty-Cyr 740 77 18ms 14 Jul 2023 409th camieac 🇬🇧 740 77 23ms 14 Jul 2023 409th MisterrLuck 740 77 22ms 7 Sep 2023 409th alexjurkiewicz 🇦🇺 740 77 20ms 7 Nov 2023 409th askipio 740 77 22ms 22 Nov 2023 409th enbyte 740 77 18ms 9 Dec 2023 409th trinityy-7 740 77 22ms 17 Dec 2023 409th PyryL 🇫🇮 740 77 19ms 23 Aug 2024 409th CyberTapir 740 77 22ms 27 Aug 2024 409th junten1 740 77 25ms 20 Oct 2024 409th croc54 740 77 22ms 24 Dec 2024 409th za3k 740 77 23ms 3 Jun 2025 409th j-zhang43 740 77 18ms 2 days ago 431st AGoyet 731 78 29ms 29 Jul 2022 431st RYNO8 731 78 21ms 16 Aug 2022 431st TheCod-r 🇦🇶 731 78 29ms 28 Sep 2022 431st Marthe-CC 731 78 22ms 9 Oct 2022 431st Wildst 731 78 18ms 2 Nov 2022 431st nmgetahun 731 78 22ms 4 Dec 2022 431st Techdude01 731 78 22ms 13 Dec 2022 431st tvcv901 731 78 19ms 22 Mar 2023 431st oceko 731 78 21ms 24 Mar 2023 431st yoyoyonono 731 78 25ms 15 May 2023 431st Nic0M 731 78 18ms 13 Aug 2023 431st ssbhatt4321 731 78 27ms 14 Oct 2023 431st wyarde 731 78 19ms 7 Nov 2023 431st ItsEthanXYZ 731 78 19ms 24 Dec 2023 431st adamreidsmith 731 78 39ms 16 Feb 2024 431st DGipe 731 78 22ms 13 May 2024 431st cyxv 731 78 25ms 2 Aug 2024 431st Europe2048 731 78 19ms 24 Nov 2024 431st GeneralFabian 731 78 24ms 14 Dec 2024 450th kevdah 722 79 21ms 27 May 2022 First Prev 376–450 of 803 Next Last
mmoffitt
guilhem-roy
🇫🇷
NewDefectus
🇮🇱
CuboidRaptor
🇨🇦
TheSmilingTurtle
Romain-1
🇫🇷
jhpaques
🇫🇷
chriscianfarani
eshilo-draper
suwat513
PogLop
🇨🇿
Jaydosu
tails618
KevinLyvers
nayakrujul
CatsAreFluffy
Schreipfelerer
hm5822
celiendonze
🇨🇭
brochmann
🇸🇪
Command-Master
chartung17
smokestacklightnin
🇺🇸
NickTheEASDude
🇺🇸
yuchuehw
Azearia
khavik
Ythaenagor
martion2007
sjrct
Mathrew2012
kawrei
mathieurodic
cooljoseph1
krcs
🇵🇱
kenballus
104210
andre-de-lorde
zstephe
badboj40
henrytranter
DragonaireM
Ty-Cyr
camieac
🇬🇧
MisterrLuck
alexjurkiewicz
🇦🇺
askipio
enbyte
trinityy-7
PyryL
🇫🇮
CyberTapir
junten1
croc54
za3k
j-zhang43
AGoyet
RYNO8
TheCod-r
🇦🇶
Marthe-CC
Wildst
nmgetahun
Techdude01
tvcv901
oceko
yoyoyonono
Nic0M
ssbhatt4321
wyarde
ItsEthanXYZ
adamreidsmith
DGipe
cyxv
Europe2048
GeneralFabian
kevdah