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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
Calendar
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
Continued Fractions
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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
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Happy Numbers (Long)
Hexdump
Hilbert Curve
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
Kaprekar Numbers
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Kolakoski Sequence
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Levenshtein Distance
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ln 2
Look and Say
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Lucky Tickets
Mahjong
Mandelbrot
Maze
Medal Tally
Minesweeper
Morse Decoder
Morse Encoder
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N Queens
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
Partition Numbers
Pascal’s Triangle
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Pernicious Numbers (Long)
Poker
Polyominoes
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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
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p-adic Expansion
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Chars
Time
Submitted
Musical Chords
BREMAUCY
313
19ms
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emgordon154
318
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albanian-laundromat
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3,059
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240
17ms
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146
41ms
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176
14ms
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282ms
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175
19ms
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93
394ms
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16ms
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112
12ms
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379ms
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889
423ms
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246
27ms
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4,103
1,420ms
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430
18ms
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Musical Chords
AstroOrbis
385
19ms
17 Feb 2026
Musical Chords
Steffan153
🥇
96
875ms
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Musical Chords
edsrzf
🥇
96
868ms
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Musical Chords
dokutan
267
373ms
14 Feb 2026
Musical Chords
Steffan153
98
20ms
12 Feb 2026
Musical Chords
Steffan153
100
1,270ms
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Musical Chords
Flekay
162
18ms
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Musical Chords
JayXon
🥇
156
210ms
12 Feb 2026
Musical Chords
JayXon
💎
76
564ms
12 Feb 2026
Musical Chords
JayXon
💎
78
385ms
12 Feb 2026
Musical Chords
JayXon
💎
83
23ms
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Musical Chords
pengu1n-master
503
19ms
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Musical Chords
plcc0
116
48ms
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Musical Chords
snoozingnewt
🥉
373
304ms
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Musical Chords
acotis
🥈
204
222ms
10 Feb 2026
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dokutan
276
65ms
8 Feb 2026
Musical Chords
JOrE20
498
996ms
8 Feb 2026
Musical Chords
JOrE20
4,944
267ms
7 Feb 2026
Musical Chords
sean-niemann
🥈
192
381ms
6 Feb 2026
Musical Chords
sean-niemann
101
1,369ms
5 Feb 2026
Musical Chords
sean-niemann
93
422ms
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Musical Chords
sean-niemann
100
22ms
5 Feb 2026
Musical Chords
sean-niemann
🥈
74
45ms
5 Feb 2026
Musical Chords
edsrzf
💎
175
9ms
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rucin93
💎
209
5ms
21 Jan 2026
Musical Chords
edsrzf
95
157ms
17 Jan 2026
Musical Chords
HumanoidCPU
475
490ms
14 Jan 2026
Musical Chords
CaedenHarper
312
32ms
12 Jan 2026
Musical Chords
HumanoidCPU
437
461ms
12 Jan 2026
Musical Chords
KatieLG
4,847
10ms
11 Jan 2026
Musical Chords
HPWiz
💎
98
2,125ms
4 Jan 2026
Musical Chords
CornerMercury
109
12ms
31 Dec 2025
Musical Chords
IISResetMe
353
2,267ms
30 Dec 2025
Musical Chords
dokutan
268
19ms
26 Dec 2025
Musical Chords
blaztoma
💎
332
42ms
25 Dec 2025
Musical Chords
blaztoma
147
11ms
25 Dec 2025
Musical Chords
edsrzf
💎
175
110ms
23 Dec 2025
Musical Chords
blaztoma
🥈
195
126ms
23 Dec 2025
Musical Chords
blaztoma
🥉
370
27ms
21 Dec 2025
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AlephSquirrel
68
6ms
18 Dec 2025
Musical Chords
gigaprofisi
445
11ms
17 Dec 2025
Musical Chords
blaztoma
🥉
231
6ms
14 Dec 2025
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JOrE20
1,298
486ms
10 Dec 2025
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277
13ms
4 Dec 2025
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anter69
115
20ms
4 Dec 2025