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A competition to solve a particular problem through the usage and manipulation of arrays.
2
votes
Get the trends of an array
Vyxal, 15 bytes
¯±ĠvL1p¦2lvƒṡ‹İ
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How?
¯±ĠvL1p¦2lvƒṡ‹İ
¯ # Deltas (consecutive differences) of (implicit) input
± # Sign of each
Ġ # Group conse …
3
votes
Add an array with itself
Vyxal, 7 bytes
ẇR∆ZR∩Ṡ
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2
votes
Create chunks from an array
Vyxal, 1 byte
ẇ
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1
vote
Add an array with itself
Desmos, 106 71 bytes
l=[1...s]
f(a,s)=[∑_{q=1}^{ceil(a.length/s)}join(a,l0)[qs-s+t]fort=l]
-35 bytes thanks to Aiden Chow
Try it on Desmos!
1
vote
How tall are the mushrooms?
Vyxal, 28 bytes
d‹ɾ-:ż+:£₌żLÞẊ'¥¨£v"ÞfÞu;⁽G∵
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Port of Jelly. Outputs a list of 1-indexed heights.
1
vote
Array Sandwiches
Vyxal, 10 bytes
vẏΠ'?¨£iÞṠ
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Port of Jelly.
1
vote
Find ranges of True values in a list
Vyxal, 9 bytes
ẏ‡?iŻv₍gG
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2
votes
Cover up zeroes in a list
Vyxal, 2 bytes
ɖ∨
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3
votes
Removed J-brackets
Vyxal, 14 bytes
λ[ḣƛt;J,ḢƛṪ;x¤
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Explanation
λ[ḣƛt;J,ḢƛṪ;x¤
λ Open a lambda (for recursion)
[ If statement (check if truthy)
ḣ Separate th …
3
votes
Cover up zeroes in a list
Prolog (SWI), 44 bytes
f(0,B,B).
f(A,_,A).
X*O:-scanl(f,X,0,[_|O]).
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4
votes
Repeat Values In Array
This two-byte solution should work, but it seems to bork when the length is an array only of zeros: Try it Online! …
2
votes
Repeat Values In Array
05AB1E, 2 bytes
ÅΓ
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3
votes
Repeat Values In Array
K (ngn/k), 4 bytes
,/#'
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10
votes
Repeat Values In Array
Jelly, 1 byte
x
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6
votes
Repeat Values In Array
Python 3, 42 41 40 bytes
lambda*a:sum(map(lambda x,*y:x*y,*a),())
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-1 thanks to Jonathan Allan!
-1 thanks to loopy walt!