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. Why not try and solve it ahead of time?
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𝑒
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12 Days of Christmas
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99 Bottles of Beer
Abundant Numbers
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Arabic to Roman
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Billiards
brainfuck
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Diamonds
Divisors
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Factorial Factorisation
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Foo Fizz Buzz Bar
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Fractions
Game of Life
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Happy Numbers (Long)
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Intersection
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ISBN
Jacobi Symbol
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Levenshtein Distance
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ln 2
Look and Say
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Lucky Tickets
Mahjong
Mandelbrot
Maze
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Musical Chords
N Queens
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PalindromemordnilaP
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Polyominoes
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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
SI Units
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Spelling Numbers
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Star Wars Opening Crawl
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Sudoku (Fill-in)
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Tic-tac-toe
Time Distance
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Topological Sort
Transpose Sentence
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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
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CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
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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
Tutorial
Openstreetmapler
121
51ms
3 hours ago
Tower of Hanoi
GolfingSuccess
29
37ms
10 hours ago
Tower of Hanoi
Shanethegamer
3,578
36ms
19 hours ago
Minesweeper
GolfingSuccess
77
115ms
29 hours ago
Emojify
CaedenHarper
175
116ms
46 hours ago
ISBN
CaedenHarper
53
40ms
3 days ago
Collatz
CaedenHarper
47
274ms
3 days ago
Quine
CaedenHarper
19
35ms
3 days ago
Ordinal Numbers
CaedenHarper
42
56ms
3 days ago
Pernicious Numbers
CaedenHarper
🥇
15
35ms
3 days ago
Roman to Arabic
CaedenHarper
39
92ms
4 days ago
PalindromemordnilaP
CaedenHarper
30
40ms
4 days ago
Divisors
CaedenHarper
32
71ms
4 days ago
Leap Years
CaedenHarper
31
41ms
4 days ago
Fibonacci
CaedenHarper
14
34ms
4 days ago
Odious Numbers (Long)
CaedenHarper
21
37ms
4 days ago
Odious Numbers
CaedenHarper
20
34ms
4 days ago
Evil Numbers (Long)
CaedenHarper
21
39ms
4 days ago
Evil Numbers
CaedenHarper
20
36ms
4 days ago
Odious Numbers
Babafaba
78
37ms
5 days ago
Niven Numbers (Long)
CaedenHarper
31
611ms
6 days ago
Niven Numbers
CaedenHarper
24
35ms
6 days ago
Tic-tac-toe
CaedenHarper
54
54ms
6 days ago
12 Days of Christmas
emgordon154
395
36ms
6 days ago
Arrows
CaedenHarper
113
62ms
6 days ago
Arabic to Roman
CaedenHarper
121
394ms
7 days ago
Gijswijt’s Sequence
emgordon154
63
38ms
7 days ago
Partition Numbers
emgordon154
🥉
32
83ms
7 days ago
Arithmetic Numbers
emgordon154
61
2,217ms
7 days ago
λ
emgordon154
135
418ms
8 days ago
Poker
emgordon154
203
71ms
8 days ago
Zeckendorf Representation
emgordon154
44
73ms
9 days ago
Rijndael S-box
emgordon154
177
44ms
9 days ago
Zodiac Signs
emgordon154
58
74ms
9 days ago
Fibonacci
blaztoma
18
38ms
10 days ago
Arabic to Roman
emgordon154
105
414ms
10 days ago
Look and Say
emgordon154
🥉
29
38ms
10 days ago
Kolakoski Sequence
emgordon154
32
39ms
10 days ago
Proximity Grid
emgordon154
132
1,952ms
10 days ago
Cubes
emgordon154
118
41ms
11 days ago
Star Wars GPT
emgordon154
62
96ms
11 days ago
Ten-pin Bowling
emgordon154
89
58ms
11 days ago
Rijndael S-box
blaztoma
118
196ms
11 days ago
Factorial Factorisation
emgordon154
💎
35
59ms
11 days ago
Billiards
emgordon154
💎
40
52ms
11 days ago
Hexdump
emgordon154
97
47ms
11 days ago
Medal Tally
emgordon154
🥉
57
48ms
11 days ago
Trinomial Triangle
emgordon154
35
48ms
13 days ago
Fizz Buzz
emgordon154
36
52ms
13 days ago
QR Decoder
emgordon154
🥈
83
46ms
13 days ago
Trinomial Triangle
lynn
🥇
26
36ms
14 days ago
Tutorial
luuumine
121
61ms
14 days ago
φ
snoozingnewt
26
46ms
14 days ago
Tutorial
Babafaba
121
63ms
14 days ago
Odious Numbers
snoozingnewt
74
39ms
17 days ago
Fizz Buzz
BREMAUCY
37
39ms
20 days ago
Prime Numbers (Long)
snoozingnewt
20
224ms
21 days ago
Prime Numbers
snoozingnewt
20
38ms
21 days ago
Pascal’s Triangle
CaedenHarper
27
39ms
23 days ago
Trinomial Triangle
dokutan
720
49ms
24 days ago
Pernicious Numbers
snoozingnewt
33
52ms
26 days ago
Trinomial Triangle
ovs-code
🥇
26
39ms
1 Oct 2025
Trinomial Triangle
CaedenHarper
2,068
40ms
30 Sep 2025
Catalan Numbers
emgordon154
21
39ms
28 Sep 2025
Reverse Polish Notation
CaedenHarper
🥇
4
46ms
28 Sep 2025
Tutorial
KatieLG
29
55ms
27 Sep 2025
Tutorial
CornerMercury
23
58ms
24 Sep 2025
Tutorial
ndren
23
61ms
24 Sep 2025
Game of Life
emgordon154
62
121ms
23 Sep 2025
Pascal’s Triangle
fuzzylojik-golf
27
43ms
18 Sep 2025
Intersection
emgordon154
44
369ms
18 Sep 2025
Tutorial
snoozingnewt
23
57ms
15 Sep 2025
√2
fuzzylojik-golf
🥈
25
345ms
14 Sep 2025
Maze
emgordon154
93
174ms
13 Sep 2025
Sudoku (Fill-in)
emgordon154
126
171ms
13 Sep 2025