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iogii
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Picat
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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
Tower of Hanoi
Turtle
Tutorial
Hole
Golfer
Bytes
Time
Submitted
Collatz
snoozingnewt
76
275ms
22 days ago
Collatz
CaedenHarper
3,225
195ms
16 Aug 2025
Collatz
DialFrost
🥇
47
2,376ms
8 Jun 2025
Collatz
bitsandbeyond
🥇
47
2,476ms
8 Jun 2025
Collatz
Ripick
52
265ms
1 Jun 2025
Collatz
jborean93
🥇
47
2,068ms
9 Apr 2025
Collatz
grey0ut
48
2,417ms
8 Apr 2025
Collatz
corbob
🥇
47
2,344ms
8 Apr 2025
Collatz
sean-niemann
🥇
47
2,406ms
7 Apr 2025
Collatz
KevinMarquette
🥇
47
2,346ms
7 Apr 2025
Collatz
DelaneyJM
🥇
47
2,493ms
7 Apr 2025
Collatz
IISResetMe
52
268ms
7 Apr 2025
Collatz
JPRuskin
52
254ms
7 Apr 2025
Collatz
HCRitter
61
327ms
7 Apr 2025
Collatz
madeforlosers
90
293ms
21 Nov 2024
Collatz
PlatoHero
72
253ms
10 Nov 2024
Collatz
Mabeloid
3,227
172ms
17 Sep 2024
Collatz
Steffan153
50
448ms
9 Aug 2024
Collatz
dokutan
67
252ms
28 Jul 2024
Collatz
Flobois
63
265ms
23 Jul 2024
Collatz
israem
65
225ms
20 May 2024
Collatz
HumanoidCPU
3,225
193ms
9 May 2024
Collatz
dcgjb
52
300ms
29 Jan 2024
Collatz
janbehrens
65
541ms
3 Dec 2023
Collatz
Msleizak
94
279ms
29 Nov 2023
Collatz
Feniske
52
251ms
7 Nov 2023
Collatz
NicolasBn
65
305ms
29 Sep 2023
Collatz
TaserTheFox
54
278ms
31 May 2023
Collatz
Shanethegamer
51
405ms
15 May 2023
Collatz
harperse
81
274ms
4 May 2023
Collatz
waltervos
75
276ms
8 Feb 2023
Collatz
MeWhenI
52
265ms
28 Jan 2023
Collatz
Betuaredead
85
253ms
5 Jan 2023
Collatz
PowershellKnut
60
270ms
31 Dec 2022
Collatz
retrohun
16,225
250ms
27 Dec 2022
Collatz
SinstralK
138
269ms
6 Oct 2022
Collatz
MaxCastella
60
279ms
29 Sep 2022
Collatz
5quiwyrm
52
242ms
4 Sep 2022
Collatz
janssenu-assurity
71
252ms
31 Aug 2022
Collatz
juliansiebert
58
295ms
15 Aug 2022
Collatz
Lydxn
50
415ms
15 Aug 2022
Collatz
sisyphus-ppcg
53
388ms
15 Aug 2022
Collatz
DocJade
75
229ms
11 Aug 2022
Collatz
Arnaud-beep
68
240ms
11 Aug 2022
Collatz
Clebam
70
256ms
1 Aug 2022
Collatz
northvandrew
77
286ms
15 Jul 2022
Collatz
KatieLG-Transpiler
4,231
168ms
24 Jun 2022
Collatz
clemmesserli
80
296ms
20 Jun 2022
Collatz
ryanlanegit
53
287ms
19 Jun 2022
Collatz
nwellnhof
50
429ms
3 Jun 2022
Collatz
ze-h
89
282ms
1 Jun 2022
Collatz
krcs
53
242ms
9 May 2022
Collatz
SirBogman
50
414ms
5 May 2022
Collatz
KatieLG
4,231
180ms
4 May 2022