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iogii
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12 Days of Christmas
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Abundant Numbers
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Arabic to Roman
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Billiards
brainfuck
Card Number Validation
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Catalan’s Constant
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Collatz
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Divisors
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Fractions
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ln 2
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Lucky Tickets
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Maze
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Polyominoes
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Reversi
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Roman to Arabic
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Rule 110
Scrambled Sort
Set
Seven Segment
SI Units
Sierpiński Triangle
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Spelling Numbers
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Star Wars Opening Crawl
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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
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CSS Grid
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p-adic Expansion
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QR Encoder
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Turtle
Tutorial
Hole
Golfer
Bytes
Time
Submitted
Pernicious Numbers
snoozingnewt
41
3ms
25 hours ago
Happy Numbers
DialFrost
65
3ms
4 days ago
Arithmetic Numbers
DialFrost
47
11ms
4 days ago
Card Number Validation
DialFrost
68
11ms
4 days ago
Happy Numbers (Long)
DialFrost
66
6ms
4 days ago
Sphenic Numbers
DialFrost
63
8ms
4 days ago
Leap Years
DialFrost
37
3ms
4 days ago
Niven Numbers (Long)
DialFrost
41
6ms
4 days ago
Niven Numbers
DialFrost
37
2ms
4 days ago
Pernicious Numbers
DialFrost
35
2ms
4 days ago
Pangram Grep
DialFrost
53
4ms
4 days ago
Prime Numbers (Long)
DialFrost
32
6ms
4 days ago
Prime Numbers
DialFrost
30
2ms
4 days ago
Prime Numbers
emgordon154
32
3ms
4 days ago
Pangram Grep
emgordon154
61
4ms
4 days ago
Tower of Hanoi
KatieLG
4,093
2ms
8 days ago
Tower of Hanoi
HumanoidCPU
7,153
2ms
10 days ago
𝑒
BREMAUCY
1,009
2ms
11 days ago
Emirp Numbers
HumanoidCPU
177
3ms
11 days ago
Taxicab Numbers
HumanoidCPU
4,650
3ms
11 days ago
Taxicab Numbers
Shanethegamer
4,166
4ms
12 days ago
Divisors
HumanoidCPU
30
4ms
18 days ago
Kolakoski Sequence
HumanoidCPU
2,006
2ms
26 days ago
Tower of Hanoi
Shanethegamer
3,583
2ms
30 Oct 2025
Tutorial
Babafaba
123
4ms
15 Oct 2025
Prime Numbers
snoozingnewt
33
2ms
9 Oct 2025
Prime Numbers (Long)
snoozingnewt
34
6ms
9 Oct 2025
Quine
snoozingnewt
42
2ms
2 Oct 2025
Cubes
Shanethegamer
4,111
3ms
28 Sep 2025
Tutorial
retrohun
123
4ms
19 Sep 2025
Tutorial
snoozingnewt
53
4ms
15 Sep 2025
Fizz Buzz
snoozingnewt
518
2ms
15 Sep 2025
Odd Polyomino Tiling
HumanoidCPU
22,879
2ms
25 Aug 2025
Tutorial
Vexxter9
123
5ms
21 Aug 2025
Highly Composite Numbers
HumanoidCPU
458
3ms
18 Aug 2025
Sphenic Numbers
HumanoidCPU
10,665
2ms
18 Aug 2025
Semiprime Numbers
HumanoidCPU
15,419
2ms
18 Aug 2025
Trinomial Triangle
HumanoidCPU
2,092
2ms
18 Aug 2025
Hilbert Curve
HumanoidCPU
5,155
2ms
18 Aug 2025
Abundant Numbers (Long)
HumanoidCPU
1,215
2ms
18 Aug 2025
Polyominoes
HumanoidCPU
4,835
2ms
18 Aug 2025
Recamán
HumanoidCPU
1,152
2ms
18 Aug 2025
Rule 110
HumanoidCPU
15,957
2ms
18 Aug 2025
Number Spiral
HumanoidCPU
315
2ms
18 Aug 2025
Rijndael S-box
HumanoidCPU
789
2ms
18 Aug 2025
Pascal’s Triangle
HumanoidCPU
794
2ms
18 Aug 2025
Kaprekar Numbers
HumanoidCPU
513
2ms
18 Aug 2025
12 Days of Christmas
HumanoidCPU
2,487
2ms
18 Aug 2025
Happy Numbers
HumanoidCPU
144
2ms
18 Aug 2025
Happy Numbers (Long)
HumanoidCPU
700
2ms
18 Aug 2025
Emirp Numbers (Long)
HumanoidCPU
1,401
2ms
18 Aug 2025
Catalan Numbers
HumanoidCPU
2,977
2ms
18 Aug 2025
Cubes
HumanoidCPU
4,217
2ms
18 Aug 2025
Tongue-twisters
HumanoidCPU
542
2ms
18 Aug 2025
Van Eck Sequence
HumanoidCPU
3,560
2ms
17 Aug 2025
Abundant Numbers
HumanoidCPU
214
2ms
16 Aug 2025
Partition Numbers
HumanoidCPU
1,246
2ms
16 Aug 2025
Look and Say
HumanoidCPU
1,304
2ms
15 Aug 2025
Leyland Numbers
HumanoidCPU
1,527
2ms
15 Aug 2025
Farey Sequence
HumanoidCPU
9,778
4ms
15 Aug 2025
Diamonds
HumanoidCPU
1,725
2ms
15 Aug 2025
Niven Numbers
HumanoidCPU
288
2ms
14 Aug 2025
Lucky Numbers
HumanoidCPU
10,819
4ms
14 Aug 2025
Inventory Sequence
HumanoidCPU
8,622
3ms
14 Aug 2025
Gijswijt’s Sequence
HumanoidCPU
7,999
3ms
14 Aug 2025
Smith Numbers
HumanoidCPU
4,079
3ms
14 Aug 2025
Vampire Numbers
HumanoidCPU
2,000
2ms
14 Aug 2025
Arithmetic Numbers
HumanoidCPU
83,769
49ms
14 Aug 2025
Odious Numbers (Long)
HumanoidCPU
4,944
3ms
14 Aug 2025
Evil Numbers (Long)
HumanoidCPU
4,955
3ms
14 Aug 2025
Evil Numbers
HumanoidCPU
219
2ms
14 Aug 2025
N Queens
HumanoidCPU
2,133
2ms
14 Aug 2025
Pernicious Numbers (Long)
HumanoidCPU
46,173
18ms
14 Aug 2025
Pernicious Numbers
HumanoidCPU
309
2ms
14 Aug 2025
Foo Fizz Buzz Bar
HumanoidCPU
12,491
3ms
14 Aug 2025