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hole will go live in approximately
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. Why not try and solve it ahead of time?
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ALGOL 68
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brainfuck
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D
Dart
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Factor
Forth
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iogii
J
Janet
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jq
Julia
K
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R
Raku
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sed
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V
VimL
Wren
Zig
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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
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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
ISBN
kkoenig
💎
146
289ms
16 days ago
ISBN
kasarino
210
277ms
25 days ago
ISBN
ibeucaly
225
315ms
13 Jul 2026
ISBN
imperfect-fourth
170
314ms
16 Mar 2026
ISBN
CaedenHarper
163
316ms
2 Nov 2025
ISBN
KasperKivimaeki
160
291ms
20 Oct 2025
ISBN
edsrzf
151
322ms
1 Sep 2025
ISBN
0xjac
210
320ms
9 Jun 2025
ISBN
HumanoidCPU
179
304ms
3 Mar 2025
ISBN
emgordon154
180
309ms
20 Feb 2025
ISBN
MeWhenI
158
313ms
7 Jan 2025
ISBN
rifatx
193
311ms
23 Jul 2024
ISBN
Yewzir
163
307ms
7 Feb 2024
ISBN
JayXon
🥈
148
302ms
11 Nov 2023
ISBN
martin-viggiano
335
317ms
5 Nov 2023
ISBN
jerrandolph
174
313ms
20 Oct 2023
ISBN
stefangimmillaro
156
322ms
20 Oct 2023
ISBN
weliveinhell
180
320ms
4 Oct 2023
ISBN
msbranicky
190
305ms
3 Oct 2023
ISBN
sean-niemann
163
315ms
30 Aug 2023
ISBN
nwellnhof
🥉
149
314ms
23 Jun 2023
ISBN
emplv
160
330ms
6 Jan 2023
ISBN
KatieLG
252
310ms
25 Sep 2022
ISBN
KatieLG-Transpiler
370
316ms
25 Sep 2022
ISBN
JRaspass
181
311ms
23 Sep 2022
ISBN
Shanethegamer
159
315ms
20 Apr 2022