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12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
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Arabic to Roman
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Arrows
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brainfuck
Card Number Validation
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Catalan’s Constant
Christmas Trees
Collatz
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Cubes
Day of Week
DFA Simulator
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Divisors
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Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
Factorial Factorisation
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Fibonacci
Fizz Buzz
Foo Fizz Buzz Bar
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Fractions
Game of Life
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Happy Numbers (Long)
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Intersection
Inventory Sequence
ISBN
Jacobi Symbol
Kaprekar Numbers
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Kolakoski Sequence
Leap Years
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ln 2
Look and Say
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Lucky Tickets
Mahjong
Mandelbrot
Maze
Medal Tally
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Morse Encoder
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Niven Numbers (Long)
Number Spiral
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Odious Numbers (Long)
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Pangram Grep
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Pernicious Numbers (Long)
Poker
Polyominoes
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Prime Numbers (Long)
Proximity Grid
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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
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Gray Code Decoder
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Highly Composite Numbers
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Numbrix
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p-adic Expansion
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Chars
Time
Submitted
CSS Colors
TheZwierzLF
2,102
18ms
10 hours ago
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2,979
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2,097
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6,154
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3,351
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481
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albanian-laundromat
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773
2,356ms
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3,280
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200
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CSS Colors
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550
1,492ms
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2,628
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1,073
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1,190
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2,260
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359
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CSS Colors
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5,170
12ms
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CSS Colors
dokutan
3,613
2ms
8 Nov 2025
CSS Colors
dokutan
3,623
2,644ms
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CSS Colors
MeWhenI
2,501
1,666ms
7 Nov 2025
CSS Colors
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463
467ms
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CSS Colors
GolfingSuccess
65
68ms
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dokutan
4,308
489ms
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CSS Colors
edsrzf
🥈
642
5ms
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CSS Colors
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798
9ms
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CSS Colors
lynn
745
162ms
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retrohun
1,714
5ms
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CaedenHarper
929
270ms
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966
30ms
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SB-945
7,088
54ms
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Mefred
2,595
11ms
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CSS Colors
rustykitty
2,370
14ms
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CSS Colors
Babafaba
4,969
63ms
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CSS Colors
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283
18ms
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CSS Colors
stephanie-flower
3,167
9ms
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CSS Colors
m-tkach
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712
33ms
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CSS Colors
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🥈
324
892ms
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CSS Colors
dokutan
10,839
1,703ms
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CSS Colors
msbranicky
2,818
47ms
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CSS Colors
mathieurodic
2,114
88ms
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CSS Colors
robin-scragg
1,070
10ms
18 Oct 2025
CSS Colors
nulzo
2,282
17ms
17 Oct 2025
CSS Colors
CaedenHarper
3,469
407ms
16 Oct 2025
CSS Colors
aiwana
288
14ms
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CSS Colors
namelessiw
330
189ms
15 Oct 2025
CSS Colors
luuumine
1,277
12ms
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CSS Colors
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1,035
392ms
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