Problem 1448. Create Volcano (or Atoll) martix. It is an extension of Bullseye matrix problem.
For example, if n=2 (maximum value), the output matrix should be
[1 1 1 1 1;
1 2 2 2 1;
1 2 1 2 1;
1 2 2 2 1;
1 1 1 1 1]
where you go from inside to outside starting from 1 to 2(maximum value) and again move back from 2 to 1.
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3 Comments
Ned Gulley
on 24 Apr 2013
You should call this a volcano matrix!
Richard Zapor
on 27 Apr 2013
Could also be named an Atoll matrix
Chintan
on 27 Apr 2013
Thanks Ned, Richard for good suggestion. I have changed Problem Title accordingly.
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