Check if sorted.
Example:
Input x = [1 2 0] Output y is 0
Solution Stats
Problem Comments
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10 Comments
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7 older comments
Vivek
on 30 May 2013
Sort means ascending or descending or both? Not clear
Geoffrey Akien
on 7 Jul 2013
I agree! The code is significantly different for those possible cases.
Pascal Geschwill
on 7 Jan 2014
Unfortunately, way too easy!
Matt Wolinsky
on 10 Sep 2014
I agree it's not clear ... but
y = ~var(nonzeros(sign(diff(x))));
works for both ascending/descending cases.
(The test suite clarifies that ascending is the intended case)
Wang Yunhe
on 16 Mar 2015
y = ~var(nonzeros(sign(diff(x)))); amazing~ ！nice idea
Sam Marshalik
on 22 Jan 2016
There is a sort array command in MATLAB.
Muhammad M Sahari
on 20 Dec 2016
if you are not familiar with array, will be difficult
Gan Wee Ting
on 20 Dec 2016
nice
Jack Knoll
on 6 Apr 2017
hehe
Georgios Stoumpis
on 13 Jun 2017
The solution "y = issorted(x);" with a metric of 12 is not the leading solution. "Fair Play" is something unknown to cheaters!
Solution Comments
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1 Comment
Informaton
on 11 May 2017
Is it supposed to be sorted in ascending or descending order? I'll just pick randomly ...
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1 Comment
TAYALAN SIVALINGAM
on 29 Dec 2016
gj
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1 Comment
David Verrelli
on 3 Sep 2018
This user (mohamed elbesealy) appears to have gamed the system, with fraudulent "likes" of this unremarkable solution submitted by 'sock-puppet' accounts. —DIV
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1 Comment
Oliver Penn
on 6 Aug 2016
Similar to monotonically increasing problem.
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1 Comment
Alexey Sinitsin
on 4 Dec 2015
That was hard
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1 Comment
Marcel
on 24 Nov 2013
thank you Emilio
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1 Comment
Emilio
on 19 Nov 2013
haha
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1 Comment
Shuo
on 2 Oct 2013
Additional sort command takes extra node...
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2 Comments
Norbert Marwan
on 2 Sep 2016
The leading solution (solution 103932) is wrong and doesn't work. The error is that the output argument "ans" is not assigned.
Jan Orwat
on 2 Sep 2016
@Norbert, this trick worked in Cody before, now it doesn't. I wrote trick, cause it was a way to have a little bit lower Cody size. It was questioned why it's not banned, because it favours bad programming practices, so changes were made.
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2 Comments
Viktor
on 11 Mar 2012
Hard one :)
Frequency Domain
on 23 Jul 2013
facepalm
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