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. Why not try and solve it ahead of time?
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12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
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Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
Billiards
brainfuck
Calendar
Card Number Validation
Catalan Numbers
Catalan’s Constant
Chess Move Validation
Christmas Trees
Collatz
Connect Four
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
Nim
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)
Taxicab Numbers
Ten-pin Bowling
Tic-tac-toe
Time Distance
Tongue-twisters
Topological Sort
Tower of Hanoi
Transpose Sentence
Trinomial Triangle
Ulam Sequence
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
Chess960 Decoder
Chess960 Encoder
Crossword
CSS Colors (Inverse)
CSS Grid
Dragon Curve
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Hexagonal Spiral
Highly Composite Numbers
Huffman Encoder
Langton’s Ant
Lyndon Factorization
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Thue–Morse Constant
Turtle
Tutorial
Yellowstone Permutation
Hole
Golfer
Bytes
Time
Submitted
π
nickweissert-star
643
386ms
5 days ago
π
edsrzf
💎
50
278ms
18 Jul 2026
π
bitsandbeyond
54
420ms
16 Jul 2026
π
vhoulbreque
1,015
180ms
5 Jul 2026
π
prestosilver
194
3,522ms
14 May 2026
π
DelaneyJM
162
245ms
16 Apr 2026
π
JOrE20
1,004
191ms
1 Feb 2026
π
Murphy4444
69
709ms
30 Jan 2026
π
isenschmid
207
241ms
30 Jan 2026
π
Andrey2001
1,004
177ms
25 Jan 2026
π
DialFrost
59
346ms
31 Aug 2025
π
Ralac07
1,009
179ms
28 Jul 2025
π
RaBa21
1,004
195ms
13 Jul 2025
π
JOrE-Softwares
1,013
212ms
3 Jun 2025
π
dokutan
751
232ms
23 Apr 2025
π
Mabeloid
1,004
217ms
14 Mar 2025
π
gigaprofisi
235
393ms
3 Mar 2025
π
CaedenHarper
1,004
184ms
22 Jan 2025
π
AidanWalter
1,015
166ms
2 Jan 2025
π
Shanethegamer
838
216ms
17 Dec 2024
π
madeforlosers
1,004
191ms
17 Dec 2024
π
dcgjb
126
344ms
14 May 2024
π
HumanoidCPU
1,008
187ms
9 May 2024
π
sciencejiho
1,015
210ms
29 Apr 2024
π
corbob
376
437ms
26 Apr 2024
π
aalec
1,015
203ms
23 Apr 2024
π
PowershellKnut
1,004
184ms
14 Mar 2024
π
trinityy-7
1,015
201ms
14 Mar 2024
π
sojumasterGA
1,004
180ms
14 Mar 2024
π
MarkE0
938
234ms
24 Jan 2024
π
Pale-Vessel
1,015
184ms
20 Dec 2023
π
janbehrens
88
240ms
3 Dec 2023
π
GWStuart
1,015
189ms
15 Sep 2023
π
SirBogman
62
338ms
11 Aug 2023
π
primo-ppcg
🥈
53
316ms
1 Aug 2023
π
TaserTheFox
1,004
176ms
6 Jun 2023
π
Yewzir
1,004
185ms
20 May 2023
π
kenmich
1,004
176ms
15 May 2023
π
Hvid
1,004
184ms
4 May 2023
π
adamnielson42
1,028
230ms
26 Apr 2023
π
Lydxn
🥈
53
303ms
4 Mar 2023
π
esnethen
1,015
196ms
20 Feb 2023
π
MeWhenI
76
244ms
28 Jan 2023
π
retrohun
1,013
207ms
28 Dec 2022
π
Feniske
221
318ms
12 Dec 2022
π
freeve4h
1,015
197ms
8 Dec 2022
π
Msleizak
751
358ms
8 Dec 2022
π
jeremyclement31
1,004
188ms
6 Dec 2022
π
MaxCastella
1,004
175ms
29 Sep 2022
π
juliansiebert
202
272ms
12 Aug 2022
π
KatieLG-Transpiler
1,009
190ms
24 Jun 2022
π
Jartholdy
1,004
198ms
20 Jun 2022
π
midnattssol
1,026
187ms
19 May 2022
π
didion0
1,015
197ms
3 May 2022
π
JesperJ
1,002
207ms
27 Apr 2022
π
otubby
1,015
221ms
29 Mar 2022
π
voytxt
1,004
221ms
3 Mar 2022
π
memmaptensor
1,015
185ms
21 Jan 2022
π
danubie
853
221ms
20 Dec 2021
π
btnlq
54
306ms
14 Nov 2021
π
mokymok
1,004
193ms
8 Nov 2021
π
nwellnhof
62
247ms
1 Nov 2021
π
mothcolada
1,007
182ms
13 Apr 2021
π
UBKorkut
1,007
190ms
10 Mar 2021
π
bac0id
1,004
183ms
25 Jan 2021
π
Omega65536
1,007
205ms
7 Jan 2021
π
abailey2020
1,010
194ms
27 Dec 2020
π
ReidZ3
1,001
203ms
28 Nov 2020
π
TimCurwick
249
635ms
27 Nov 2020
π
Dazza314
1,004
198ms
8 Nov 2020
π
HumanEquivalentUnit
216
1,083ms
13 Oct 2020
π
Waffle3z
1,015
191ms
11 Oct 2020
π
KatieLG
1,007
180ms
2 Oct 2020
π
GameChaos
1,004
173ms
3 Sep 2020
π
rvdnieuwendijk
493
333ms
20 Aug 2020
π
bendapootie
1,004
198ms
3 Aug 2020
π
lahell
121
256ms
23 Jul 2020
π
Codsilla
1,004
187ms
18 Jul 2020
π
harperse
573
433ms
17 Jun 2020
π
prplz
72
635ms
12 Jun 2020
π
phloeh
1,011
216ms
12 Jun 2020
π
krzydoug
555
344ms
10 Jun 2020
π
KevinMarquette
1,080
217ms
7 Jun 2020
π
JamesWTruher
397
404ms
6 Jun 2020
π
jasonphicks
1,004
177ms
5 Jun 2020
π
SteveL-MSFT
1,004
192ms
4 Jun 2020
π
BrianMakes
1,470
340ms
3 Jun 2020
π
thlac
1,004
204ms
3 Jun 2020
π
natebru
1,004
199ms
3 Jun 2020
π
IISResetMe
307
368ms
3 Jun 2020
π
nkasco
1,004
194ms
3 Jun 2020