The
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hole will go live in approximately
2 days
. Why not try and solve it ahead of time?
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λ
π
τ
φ
√2
𝑒
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p-adic Expansion
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ALGOL 68
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brainfuck
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C++
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D
Dart
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iogii
J
Janet
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jq
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K
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Nim
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Python
R
Raku
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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
Knight
Lily
Luau
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
Umka
Vala
Vyxal
ZuzuScript
Hole
All
12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Alphabetic Numbers
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
Christmas Trees
scpchicken
563
194ms
16 Aug 2026
Christmas Trees
edsrzf
🥉
50
215ms
17 Jul 2026
Christmas Trees
nickweissert-star
64
237ms
16 Jul 2026
Christmas Trees
DialFrost
52
240ms
22 Jun 2026
Christmas Trees
aksyristos
74
224ms
28 Apr 2026
Christmas Trees
PlatoHero
54
215ms
4 Apr 2026
Christmas Trees
CaedenHarper
546
172ms
16 Aug 2025
Christmas Trees
5quiwyrm
51
217ms
10 Dec 2024
Christmas Trees
Shanethegamer
57
196ms
29 Oct 2024
Christmas Trees
bitsandbeyond
🥇
49
222ms
10 Oct 2024
Christmas Trees
dokutan
80
220ms
27 Jul 2024
Christmas Trees
HumanoidCPU
546
186ms
13 May 2024
Christmas Trees
JPRuskin
67
217ms
23 Apr 2024
Christmas Trees
corbob
546
191ms
22 Apr 2024
Christmas Trees
Yewzir
63
190ms
9 Apr 2024
Christmas Trees
IISResetMe
61
232ms
24 Feb 2024
Christmas Trees
roguh
118
192ms
14 Jan 2024
Christmas Trees
xbxbxb007
121
204ms
10 Jan 2024
Christmas Trees
janbehrens
56
205ms
30 Dec 2023
Christmas Trees
Msleizak
56
222ms
16 Nov 2023
Christmas Trees
HCRitter
76
227ms
16 Nov 2023
Christmas Trees
purplemonkeymad
57
217ms
4 Nov 2023
Christmas Trees
ehmiiz
142
224ms
31 Oct 2023
Christmas Trees
cmkb3
76
211ms
24 Oct 2023
Christmas Trees
hotmanga
119
217ms
18 Oct 2023
Christmas Trees
snoozingnewt
74
210ms
21 Sep 2023
Christmas Trees
Azaroxs
134
215ms
13 Feb 2023
Christmas Trees
MeWhenI
55
198ms
28 Jan 2023
Christmas Trees
krcs
69
225ms
22 Jan 2023
Christmas Trees
PowershellKnut
67
199ms
3 Jan 2023
Christmas Trees
retrohun
1,259
182ms
27 Dec 2022
Christmas Trees
PaulPrevi
130
209ms
9 Nov 2022
Christmas Trees
Feniske
53
193ms
3 Oct 2022
Christmas Trees
Arnaud-beep
58
199ms
23 Sep 2022
Christmas Trees
MaxCastella
61
205ms
19 Aug 2022
Christmas Trees
Lydxn
51
211ms
12 Aug 2022
Christmas Trees
CarraUjilen
68
234ms
29 Jul 2022
Christmas Trees
juliansiebert
58
215ms
25 Jul 2022
Christmas Trees
KatieLG-Transpiler
605
167ms
24 Jun 2022
Christmas Trees
clemmesserli
780
219ms
19 Jun 2022
Christmas Trees
Jartholdy
546
161ms
13 Jun 2022
Christmas Trees
tofuweasel
62
199ms
9 Jun 2022
Christmas Trees
krzydoug
99
213ms
3 Jun 2022
Christmas Trees
Ailko
73
232ms
12 May 2022
Christmas Trees
Joe-V2
650
186ms
19 Apr 2022
Christmas Trees
NicolasBn
81
223ms
10 Jan 2022
Christmas Trees
danubie
61
217ms
24 Dec 2021
Christmas Trees
hannes-st
191
217ms
7 Dec 2021
Christmas Trees
0koA
80
228ms
7 Dec 2021
Christmas Trees
KatieLG
605
187ms
10 Oct 2021
Christmas Trees
leebar77
60
222ms
18 Aug 2021
Christmas Trees
aaronmcdavid
89
248ms
26 Jun 2021
Christmas Trees
joshinryz
54
222ms
15 Jun 2021
Christmas Trees
rholliday
74
199ms
26 Feb 2021
Christmas Trees
AJLindner
115
233ms
5 Jan 2021
Christmas Trees
nwellnhof
51
207ms
28 Dec 2020
Christmas Trees
btnlq
51
221ms
27 Dec 2020
Christmas Trees
janssenuy
67
212ms
22 Dec 2020
Christmas Trees
gjh71
81
226ms
20 Dec 2020
Christmas Trees
TimCurwick
52
203ms
30 Nov 2020
Christmas Trees
ScriptingPro
61
209ms
23 Nov 2020
Christmas Trees
bstrautin
52
246ms
11 Sep 2020
Christmas Trees
REOScotte
53
237ms
17 Aug 2020
Christmas Trees
justinkwork
57
217ms
28 Jul 2020
Christmas Trees
shanewh1te
62
209ms
27 Jul 2020
Christmas Trees
rvdnieuwendijk
121
214ms
14 Jul 2020
Christmas Trees
PalmEmanuel
999
206ms
15 Jun 2020
Christmas Trees
lahell
70
197ms
14 Jun 2020
Christmas Trees
matt9ucci
59
213ms
14 Jun 2020
Christmas Trees
SirBogman
53
209ms
14 Jun 2020
Christmas Trees
hasan1st
56
221ms
12 Jun 2020
Christmas Trees
KevinLaux
73
212ms
11 Jun 2020
Christmas Trees
Agazoth
68
204ms
8 Jun 2020
Christmas Trees
SteveL-MSFT
66
222ms
6 Jun 2020
Christmas Trees
JoeBigToe
65
217ms
6 Jun 2020
Christmas Trees
jhoneill
62
235ms
5 Jun 2020
Christmas Trees
KevinMarquette
63
214ms
5 Jun 2020
Christmas Trees
primo-ppcg
🥇
49
205ms
5 Jun 2020
Christmas Trees
northvandrew
72
203ms
4 Jun 2020
Christmas Trees
prplz
53
200ms
4 Jun 2020
Christmas Trees
RichUncleCody
129
220ms
3 Jun 2020
Christmas Trees
thlac
550
193ms
3 Jun 2020
Christmas Trees
SQLDBAWithABeard
62
195ms
3 Jun 2020
Christmas Trees
Ba4bes
126
220ms
3 Jun 2020
Christmas Trees
jdubbbb
146
201ms
3 Jun 2020