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. Why not try and solve it ahead of time?
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brainfuck
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Factorial Factorisation
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Pernicious Numbers (Long)
Poker
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Prime Numbers (Long)
Proximity Grid
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Quine
Recamán
Repeating Decimals
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Reversi
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Rock-paper-scissors-Spock-lizard
Roman to Arabic
ROT13
Rule 110
Scrambled Sort
Set
Seven Segment
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Star Wars GPT
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Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Tic-tac-toe
Time Distance
Tongue-twisters
Topological Sort
Transpose Sentence
Trinomial Triangle
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
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γ
λ
π
τ
φ
√2
𝑒
Apéry’s Constant
Calendar
Connect Four
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Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
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Minesweeper
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p-adic Expansion
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D
Dart
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Forth
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Janet
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jq
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sed
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VimL
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05AB1E
ALGOL 68
APL
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Erlang
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
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
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
Calendar
Connect Four
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
Minesweeper
NFA Simulator
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Tower of Hanoi
Turtle
Tutorial
Hole
Golfer
Chars
Time
Submitted
Pangram Grep
Babafaba
98
354ms
23 mins ago
Tutorial
Openstreetmapler
137
711ms
3 hours ago
Tower of Hanoi
albanian-laundromat
95
301ms
18 hours ago
Tower of Hanoi
Shanethegamer
3,585
271ms
19 hours ago
Catalan Numbers
snoozingnewt
62
288ms
22 hours ago
Ellipse Perimeters
Shanethegamer
106
442ms
2 days ago
Minesweeper
Shanethegamer
149
903ms
3 days ago
99 Bottles of Beer
evnu
270
300ms
4 days ago
Trinomial Triangle
dokutan
1,067
285ms
5 days ago
Odious Numbers
Babafaba
60
285ms
6 days ago
Tongue-twisters
snoozingnewt
386
283ms
6 days ago
Pangram Grep
evnu
79
372ms
8 days ago
CSS Colors (Inverse)
Shanethegamer
3,108
565ms
8 days ago
Pernicious Numbers
snoozingnewt
54
304ms
9 days ago
DFA Simulator
snoozingnewt
🥉
574
412ms
12 days ago
Hilbert Curve
snoozingnewt
🥈
502
302ms
14 days ago
Pangram Grep
duckyluuk
123
410ms
14 days ago
Tutorial
luuumine
137
736ms
14 days ago
Pangram Grep
GolfingSuccess
83
400ms
14 days ago
Tutorial
Babafaba
137
809ms
14 days ago
Farey Sequence
snoozingnewt
133
319ms
15 days ago
Rijndael S-box
snoozingnewt
🥈
314
308ms
16 days ago
PalindromemordnilaP
snoozingnewt
120
355ms
16 days ago
Collatz
snoozingnewt
107
371ms
16 days ago
Intersection
snoozingnewt
🥉
123
534ms
16 days ago
Van Eck Sequence
snoozingnewt
🥉
98
339ms
16 days ago
Prime Numbers
snoozingnewt
79
341ms
16 days ago
Happy Numbers
snoozingnewt
89
350ms
16 days ago
Foo Fizz Buzz Bar
snoozingnewt
98
362ms
16 days ago
Leyland Numbers
snoozingnewt
91
335ms
16 days ago
Odious Numbers
snoozingnewt
78
328ms
16 days ago
Prime Numbers (Long)
snoozingnewt
79
4,572ms
16 days ago
Happy Numbers (Long)
snoozingnewt
90
393ms
16 days ago
Abundant Numbers
snoozingnewt
81
337ms
16 days ago
Pernicious Numbers (Long)
snoozingnewt
82
393ms
16 days ago
Abundant Numbers (Long)
snoozingnewt
81
601ms
16 days ago
Evil Numbers (Long)
snoozingnewt
79
299ms
16 days ago
Odious Numbers (Long)
snoozingnewt
78
310ms
16 days ago
Smith Numbers
snoozingnewt
🥉
117
655ms
16 days ago
Farey Sequence
evnu
160
376ms
17 days ago
Fizz Buzz
h3ra993huskp
150
314ms
17 days ago
Quine
snoozingnewt
🥇
44
279ms
18 days ago
Card Number Validation
evnu
147
345ms
18 days ago
Game of Life
InigoK
406
835ms
19 days ago
Fibonacci
snoozingnewt
57
326ms
22 days ago
Pascal’s Triangle
edsrzf
88
336ms
22 days ago
Emojify
evnu
209
540ms
23 days ago
Collatz
albanian-laundromat
86
872ms
25 days ago
Pernicious Numbers
albanian-laundromat
58
357ms
25 days ago
Divisors
albanian-laundromat
70
339ms
25 days ago
Game of Life
BREMAUCY
383
373ms
26 days ago
Pernicious Numbers
Yax42
54
337ms
26 days ago
Gray Code Decoder
kg583
70
775ms
27 days ago
Mahjong
kg583
💎
138
1,724ms
27 days ago
Evil Numbers
albanian-laundromat
🥉
48
322ms
27 days ago
Odious Numbers
albanian-laundromat
🥉
47
316ms
27 days ago
Fizz Buzz
albanian-laundromat
87
295ms
27 days ago
Niven Numbers
albanian-laundromat
50
325ms
27 days ago
Prime Numbers
albanian-laundromat
43
389ms
2 Oct 2025
Trinomial Triangle
madex
266
347ms
1 Oct 2025
Trinomial Triangle
snoozingnewt
🥉
216
386ms
1 Oct 2025
Divisors
snoozingnewt
74
329ms
30 Sep 2025
Pascal’s Triangle
CaedenHarper
116
318ms
30 Sep 2025
Arithmetic Numbers
evnu
163
1,248ms
30 Sep 2025
Trinomial Triangle
CaedenHarper
2,075
309ms
30 Sep 2025
Abundant Numbers (Long)
evnu
72
925ms
30 Sep 2025
Abundant Numbers
evnu
71
336ms
30 Sep 2025
Fizz Buzz
evnu
113
309ms
30 Sep 2025
Emirp Numbers
evnu
157
383ms
30 Sep 2025
Niven Numbers
snoozingnewt
56
357ms
30 Sep 2025
Recamán
snoozingnewt
423
433ms
24 Sep 2025
Pangram Grep
InigoK
185
454ms
21 Sep 2025
Game of Life
edsrzf
🥇
90
393ms
19 Sep 2025
Tutorial
snoozingnewt
69
765ms
15 Sep 2025
Forsyth–Edwards Notation
dokutan
299
320ms
13 Sep 2025