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Problem 42083. Ring Matrix

Given n (only odd), return output matrix a that has concentric rings of the numbers 1 through (n+1)/2 around the center point.

For n = 3,

a = [2 2 2;
     2 1 2;
     2 2 2;]

For n = 5,

a = [3 3 3 3 3;
     3 2 2 2 3;
     3 2 1 2 3;
     3 2 2 2 3;
     3 3 3 3 3;]
Solve

Solution Stats

41.67% Correct | 58.33% Incorrect
Last Solution submitted on Oct 12, 2018

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concentric matrix odd ring