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Calendar
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. Why not try and solve it ahead of time?
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Achievements
Cheevos
Golfers
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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
γ
frankgraziano
1,073
11ms
a min ago
Topological Sort
snoozingnewt
💎
166
116ms
29 mins ago
Tower of Hanoi
nwellnhof
52
10ms
29 mins ago
Arithmetic Numbers
inverseLorentz
129
78ms
30 mins ago
Transpose Sentence
snoozingnewt
🥉
104
101ms
42 mins ago
ROT13
snoozingnewt
93
108ms
43 mins ago
Hexdump
snoozingnewt
🥈
238
105ms
43 mins ago
Star Wars Opening Crawl
snoozingnewt
🥈
660
119ms
44 mins ago
Ten-pin Bowling
luuumine
241
17ms
45 mins ago
Poker
snoozingnewt
🥉
419
138ms
48 mins ago
Mandelbrot
inverseLorentz
139
512ms
58 mins ago
Smooth Numbers
GolfingSuccess
81
23ms
60 mins ago
Hexagonal Spiral
bitsandbeyond
244
17ms
65 mins ago
Hexagonal Spiral
bitsandbeyond
307
267ms
68 mins ago
Fractions
Mukundan314
💎
72
34ms
73 mins ago
Smooth Numbers
GolfingSuccess
68
99ms
73 mins ago
Trinomial Triangle
Yax42
141
416ms
82 mins ago
Multitap Input
JOrE20
258
11ms
84 mins ago
Factorial Factorisation
JOrE20
🥉
548
35ms
106 mins ago
99 Bottles of Beer
CommandLeo
248
16ms
115 mins ago
Minesweeper
JOrE20
🥈
262
134ms
118 mins ago
Odious Numbers
JOrE20
30
33ms
2 hours ago
Evil Numbers
JOrE20
29
34ms
2 hours ago
Evil Numbers
JOrE20
49
2,219ms
2 hours ago
Arabic to Roman
JOrE20
350
28ms
2 hours ago
Evil Numbers
JOrE20
110
10ms
2 hours ago
ASCII Table
michelebastione
194
406ms
2 hours ago
Abundant Numbers (Long)
JOrE20
192
426ms
2 hours ago
N Queens
Yax42
179
404ms
2 hours ago
Emirp Numbers (Long)
JOrE20
1,155
234ms
2 hours ago
Calendar
JOrE20
240
11ms
3 hours ago
Arabic to Roman
JOrE20
165
19ms
3 hours ago
Hexdump
Bmrl7
197
17ms
3 hours ago
Scrambled Sort
Bmrl7
96
11ms
3 hours ago
Tongue-twisters
mwarvik
393
354ms
3 hours ago
Tic-tac-toe
blaztoma
105
14ms
3 hours ago
Hexagonal Spiral
bitsandbeyond
300
180ms
3 hours ago
99 Bottles of Beer
JOrE20
249
10ms
3 hours ago
Quine
ndren
🥇
25
40ms
4 hours ago
Quine
CornerMercury
🥇
25
37ms
4 hours ago
√2
BREMAUCY
58
39ms
4 hours ago
τ
BREMAUCY
58
41ms
4 hours ago
π
BREMAUCY
54
44ms
4 hours ago
ln 2
BREMAUCY
53
42ms
4 hours ago
Niven Numbers
mwarvik
69
459ms
4 hours ago
Morse Encoder
mwarvik
301
403ms
4 hours ago
Roman to Arabic
KatieLG
127
42ms
4 hours ago
Levenshtein Distance
KatieLG
468
3,334ms
5 hours ago
Quine
BREMAUCY
🥇
25
40ms
5 hours ago
Evil Numbers (Long)
CommandLeo
42
10ms
5 hours ago
Diamonds
CommandLeo
92
10ms
6 hours ago
Prime Numbers
amazingalek
65
11ms
6 hours ago
Morse Encoder
amazingalek
298
388ms
6 hours ago
Calendar
rucin93
323
3ms
6 hours ago
12 Days of Christmas
amazingalek
504
374ms
7 hours ago
Number Spiral
targrik
🥈
102
5ms
7 hours ago
Transpose Sentence
Matter1024
107
11ms
7 hours ago
Kaprekar Numbers
edsrzf
🥈
97
3,687ms
7 hours ago
Pernicious Numbers
Mukundan314
42
14ms
7 hours ago
Kaprekar Numbers
edsrzf
72
3,670ms
7 hours ago
Kaprekar Numbers
edsrzf
114
533ms
7 hours ago
Collatz
Seek64
69
16ms
7 hours ago
Kaprekar Numbers
edsrzf
💎
74
3,642ms
7 hours ago
Kaprekar Numbers
edsrzf
💎
101
2,828ms
7 hours ago
Pangram Grep
mwarvik
121
10ms
7 hours ago
Happy Numbers (Long)
blaztoma
28
69ms
8 hours ago
12 Days of Christmas
mwarvik
589
406ms
8 hours ago
Poker
blaztoma
🥈
415
136ms
8 hours ago
ROT13
Mukundan314
🥇
17
14ms
9 hours ago
Fibonacci
blaztoma
14
37ms
9 hours ago
Poker
blaztoma
337
18ms
9 hours ago
Arithmetic Numbers
JayXon
🥇
81
215ms
9 hours ago
Kaprekar Numbers
edsrzf
🥉
92
2,983ms
9 hours ago
Smith Numbers
blaztoma
🥈
180
102ms
9 hours ago
π
emgordon154
54
42ms
10 hours ago
π
JayXon
66
14ms
10 hours ago
τ
emgordon154
59
39ms
10 hours ago
Sudoku
emgordon154
389
50ms
10 hours ago
Smith Numbers
blaztoma
131
2,125ms
10 hours ago
Quine
emgordon154
🥇
25
33ms
10 hours ago