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Calendar
hole will go live in approximately
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. Why not try and solve it ahead of time?
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Cheevos
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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
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
Tower of Hanoi
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
Multitap Input
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
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Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
Clojure
COBOL
Coconut
Common Lisp
Crystal
D
Dart
Elixir
Erlang
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
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
Tower of Hanoi
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
Multitap Input
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
Hole
Golfer
Bytes
Time
Submitted
Roman to Arabic
ovs-code
124
465ms
a min ago
12 Days of Christmas
deopea-david
665
479ms
a min ago
Calendar
Natanaelel
188
51ms
7 mins ago
Tower of Hanoi
JayXon
🥇
71
132ms
10 mins ago
Tower of Hanoi
emgordon154
52
15ms
18 mins ago
Tower of Hanoi
emgordon154
86
617ms
18 mins ago
Catalan’s Constant
amazingalek
1,030
551ms
29 mins ago
Catalan’s Constant
amazingalek
1,012
13ms
29 mins ago
Catalan’s Constant
amazingalek
1,020
383ms
29 mins ago
Arithmetic Numbers
amazingalek
113
488ms
32 mins ago
Arithmetic Numbers
amazingalek
81
88ms
35 mins ago
Diamonds
emgordon154
235
2,111ms
36 mins ago
Calendar
ovs-code
280
179ms
36 mins ago
Sudoku (Fill-in)
canissimia
💎
113
109ms
38 mins ago
γ
CornerMercury
113
67ms
45 mins ago
99 Bottles of Beer
logalex8369
359
17ms
51 mins ago
Proximity Grid
bizy-coder
154
23ms
53 mins ago
Fibonacci
emgordon154
🥇
131
2,245ms
55 mins ago
Hexagonal Spiral
bitsandbeyond
168
33ms
59 mins ago
Abundant Numbers (Long)
amazingalek
93
477ms
72 mins ago
Abundant Numbers (Long)
amazingalek
66
13ms
72 mins ago
π
emgordon154
🥉
179
2,283ms
73 mins ago
Abundant Numbers
amazingalek
93
417ms
74 mins ago
Abundant Numbers
amazingalek
66
12ms
74 mins ago
τ
emgordon154
🥉
179
2,440ms
78 mins ago
Foo Fizz Buzz Bar
emgordon154
🥉
239
2,086ms
80 mins ago
Tower of Hanoi
DialFrost
57
2ms
85 mins ago
Hexagonal Spiral
bitsandbeyond
163
11ms
93 mins ago
Tower of Hanoi
JayXon
55
11ms
99 mins ago
99 Bottles of Beer
albanian-laundromat
238
2ms
104 mins ago
Calendar
AlephSquirrel
253
36ms
112 mins ago
Pangram Grep
kmathis22
367
1,975ms
2 hours ago
Card Number Validation
edsrzf
💎
115
4ms
2 hours ago
Scrambled Sort
kmathis22
243
162ms
2 hours ago
Niven Numbers (Long)
emgordon154
157
1,899ms
2 hours ago
Scrambled Sort
kmathis22
632
4ms
2 hours ago
Card Number Validation
edsrzf
🥉
111
395ms
2 hours ago
Christmas Trees
TheZwierzLF
68
33ms
2 hours ago
Card Number Validation
edsrzf
🥉
138
272ms
2 hours ago
Card Number Validation
edsrzf
🥈
139
27ms
2 hours ago
Smith Numbers
TheZwierzLF
136
236ms
2 hours ago
Fractions
TheZwierzLF
71
36ms
3 hours ago
Calendar
blaztoma
99
17ms
3 hours ago
Scrambled Sort
kmathis22
424
621ms
3 hours ago
Kolakoski Sequence
jkelly467
119
2,616ms
3 hours ago
Calendar
emplv
190
13ms
3 hours ago
N Queens
blaztoma
🥈
83
118ms
3 hours ago
λ
CornerMercury
183
47ms
3 hours ago
Polyominoes
YAJUE114514
280
352ms
3 hours ago
Medal Tally
CornerMercury
146
35ms
4 hours ago
Diamonds
NoneTheFewer
269
14ms
4 hours ago
Christmas Trees
NoneTheFewer
158
14ms
4 hours ago
Polyominoes
albanian-laundromat
💎
364
73ms
4 hours ago
Calendar
Emutis
105
17ms
4 hours ago
Tower of Hanoi
CornerMercury
🥈
54
428ms
4 hours ago
Card Number Validation
NoneTheFewer
263
10ms
4 hours ago
brainfuck
NoneTheFewer
812
18ms
4 hours ago
Tower of Hanoi
CornerMercury
54
18ms
4 hours ago
Tower of Hanoi
enigma
60
13ms
4 hours ago
99 Bottles of Beer
DialFrost
221
3ms
4 hours ago
Arabic to Roman
logalex8369
222
22ms
4 hours ago
Calendar
kmathis22
294
486ms
5 hours ago
Abundant Numbers (Long)
TheZwierzLF
56
76ms
5 hours ago
ASCII Table
NoneTheFewer
283
14ms
5 hours ago
12 Days of Christmas
NoneTheFewer
584
10ms
5 hours ago
Calendar
enigma
111
17ms
5 hours ago
Transpose Sentence
jkelly467
142
468ms
5 hours ago
Evil Numbers
rhdqor213
🥈
51
984ms
5 hours ago
Intersection
NoneTheFewer
302
42ms
6 hours ago
Calendar
aadenboy
293
4ms
6 hours ago
Calendar
Lv0Sys
145
20ms
6 hours ago
Prime Numbers
AdrienHache
41
10ms
6 hours ago
N Queens
blaztoma
148
39ms
6 hours ago
Calendar
ovs-code
142
38ms
6 hours ago
Tutorial
prestosilver
182
3ms
7 hours ago
ASCII Table
themoonisacheese
64
1,513ms
7 hours ago
Van Eck Sequence
GitMensch
294
22ms
8 hours ago
Calendar
luuumine
103
24ms
8 hours ago
99 Bottles of Beer
prestosilver
466
278ms
8 hours ago
Roman to Arabic
kmathis22
244
600ms
8 hours ago