Problem 611. surrounded matrix

Solution 1976925

Submitted on 15 Oct 2019 by Luu Van Duc

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Test	Status	Code Input and Output
1	Pass	x = 1; y_correct = ones(3); assert(isequal(surrounded(x),y_correct)) a = 1 1 C = 1 1 1 B = 1 1 1 1 1 1 1 1 1
2	Pass	x = [3 3 3;3 3 3]; y_correct = [1 1 1 1 1;1 3 3 3 1; 1 3 3 3 1; 1 1 1 1 1]; assert(isequal(surrounded(x),y_correct)) a = 2 3 C = 1 3 3 3 1 1 3 3 3 1 B = 1 1 1 1 1 1 3 3 3 1 1 3 3 3 1 1 1 1 1 1
3	Pass	x = ones(3,4); y_correct = ones(5,6); assert(isequal(surrounded(x),y_correct)) a = 3 4 C = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 B = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
4	Pass	x = [0]; y_correct = ones(3); y_correct(2,2) = 0; assert(isequal(surrounded(x),y_correct)) a = 1 1 C = 1 0 1 B = 1 1 1 1 0 1 1 1 1
5	Pass	x = reshape(1:9,[3,3]); y_correct = [1 1 1 1 1; 1 1 2 3 1; ... 1 4 5 6 1; 1 7 8 9 1; 1 1 1 1 1]'; assert(isequal(surrounded(x),y_correct)) a = 3 3 C = 1 1 4 7 1 1 2 5 8 1 1 3 6 9 1 B = 1 1 1 1 1 1 1 4 7 1 1 2 5 8 1 1 3 6 9 1 1 1 1 1 1