Problem 512. Spot the rectangle

Solution 1417972

Submitted on 16 Jan 2018 by William

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Test	Status	Code Input and Output
1	Pass	a = [ 1 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 1 0 0 1 0 0 ]; tf = false; assert(isequal(has_rectangle(a),tf))
2	Pass	a = [ 1 0 1 0 0 0 1 0 1 0 1 0 0 0 1 1 ]; tf = true; assert(isequal(has_rectangle(a),tf))
3	Pass	a = [ 1 0 1 0 0 0 1 1 0 0 1 1 ]; tf = true; assert(isequal(has_rectangle(a),tf))
4	Pass	a = [ 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 1 0 ]; tf = true; assert(isequal(has_rectangle(a),tf))
5	Pass	a = zeros(20); tf = false; assert(isequal(has_rectangle(a),tf))
6	Pass	a = ones(9); tf = true; assert(isequal(has_rectangle(a),tf))
7	Pass	a = double(magic(6)<9); tf = false; assert(isequal(has_rectangle(a),tf))

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