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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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Christmas Trees
Collatz
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Cubes
Day of Week
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Diamonds
Divisors
Emirp Numbers
Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
Factorial Factorisation
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Fibonacci
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Foo Fizz Buzz Bar
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Fractions
Game of Life
Gijswijt’s Sequence
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Happy Numbers (Long)
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Intersection
Inventory Sequence
ISBN
Jacobi Symbol
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Leap Years
Levenshtein Distance
Leyland Numbers
ln 2
Look and Say
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Mahjong
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Maze
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Ordinal Numbers
PalindromemordnilaP
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Poker
Polyominoes
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Quine
Recamán
Repeating Decimals
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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
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p-adic Expansion
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Golfer
Bytes
Time
Submitted
Happy Numbers (Long)
CheeseCake628
114
518ms
12 days ago
Happy Numbers (Long)
kg583
74
577ms
15 days ago
Happy Numbers (Long)
Babafaba
83
633ms
16 days ago
Happy Numbers (Long)
albanian-laundromat
86
589ms
24 days ago
Happy Numbers (Long)
snoozingnewt
80
911ms
28 Sep 2025
Happy Numbers (Long)
CaedenHarper
77
674ms
14 Jul 2025
Happy Numbers (Long)
emgordon154
75
639ms
16 Apr 2025
Happy Numbers (Long)
dokutan
82
642ms
24 Dec 2024
Happy Numbers (Long)
sean-niemann
🥉
73
493ms
23 Dec 2024
Happy Numbers (Long)
JunkIce
99
550ms
3 Dec 2024
Happy Numbers (Long)
lifthrasiir
79
415ms
2 Dec 2024
Happy Numbers (Long)
bizy-coder
🥉
73
967ms
3 Oct 2024
Happy Numbers (Long)
Mabeloid
89
469ms
18 Sep 2024
Happy Numbers (Long)
KatieLG-Transpiler
706
357ms
16 Aug 2024
Happy Numbers (Long)
namelessiw
79
543ms
14 Jul 2024
Happy Numbers (Long)
Stockoh
89
585ms
24 Jun 2024
Happy Numbers (Long)
HumanoidCPU
114
495ms
23 Jun 2024
Happy Numbers (Long)
pardouin
🥇
72
507ms
21 Jun 2024
Happy Numbers (Long)
duckyluuk
79
585ms
20 Jun 2024
Happy Numbers (Long)
steffan-polygolf
103
572ms
8 Mar 2024
Happy Numbers (Long)
m42km
81
659ms
4 Feb 2024
Happy Numbers (Long)
JayXon
74
515ms
25 Jan 2024
Happy Numbers (Long)
m-tkach
75
443ms
20 Jan 2024
Happy Numbers (Long)
MeWhenI
79
556ms
17 Jan 2024
Happy Numbers (Long)
msbranicky
89
648ms
17 Jan 2024
Happy Numbers (Long)
sisyphus-ppcg
🥉
73
1,443ms
16 Jan 2024
Happy Numbers (Long)
AlephSquirrel
76
604ms
16 Jan 2024
Happy Numbers (Long)
Steffan153
76
471ms
16 Jan 2024
Happy Numbers (Long)
KatieLG
79
630ms
16 Jan 2024
Happy Numbers (Long)
Shanethegamer
80
579ms
16 Jan 2024
Happy Numbers (Long)
Lydxn
🥇
72
421ms
16 Jan 2024
Happy Numbers (Long)
Yewzir
83
469ms
15 Jan 2024
Happy Numbers (Long)
SirBogman
80
524ms
15 Jan 2024
Happy Numbers (Long)
GrayJoKing
76
602ms
15 Jan 2024
Happy Numbers (Long)
GolfingSuccess
76
528ms
15 Jan 2024
Happy Numbers (Long)
commandblockguy
103
505ms
15 Jan 2024
Happy Numbers (Long)
ovs-code
🥉
73
921ms
15 Jan 2024
Happy Numbers (Long)
neel11235813
77
594ms
15 Jan 2024