Cody

# Problem 512. Spot the rectangle

Solution 2122220

Submitted on 8 Feb 2020 by Nikolaos Nikolaou
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### Test Suite

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))

tf = logical 0 I3 = 4×0 empty double matrix I3 = 4×0 empty double matrix I3 = 4×0 empty double matrix I3 = 4×0 empty double matrix

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))

tf = logical 0 I3 = 4×0 empty double matrix I3 = 1 3 9 11 tf = logical 1

3   Pass
a = [ 1 0 1 0 0 0 1 1 0 0 1 1 ]; tf = true; assert(isequal(has_rectangle(a),tf))

tf = logical 0 tf = logical 1

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))

tf = logical 0 I3 = 4×0 empty double matrix I3 = 4×0 empty double matrix I3 = 4×0 empty double matrix I3 = 4×0 empty double matrix I3 = 4×0 empty double matrix I3 = 4×0 empty double matrix tf = logical 1

5   Pass
a = zeros(20); tf = false; assert(isequal(has_rectangle(a),tf))

tf = logical 0 I3 = 4×0 empty double matrix I3 = 4×0 empty double matrix I3 = 4×0 empty double matrix I3 = 4×0 empty double matrix I3 = 4×0 empty double matrix I3 = 4×0 empty double matrix I3 = 4×0 empty double matrix I3 = 4×0 empty double matrix I3 = 4×0 empty double matrix I3 = 4×0 empty double matrix I3 = 4×0 empty double matrix I3 = 4×0 empty double matrix I3 = 4×0 empty double matrix I3 = 4×0 empty double matrix I3 = 4×0 empty double matrix I3 = 4×0 empty double matrix I3 = 4×0 empty double matrix I3 = 4×0 empty double matrix I3 = 4×0 empty double matrix

6   Pass
a = ones(9); tf = true; assert(isequal(has_rectangle(a),tf))

tf = logical 0 tf = logical 1

7   Pass
a = double(magic(6)<9); tf = false; assert(isequal(has_rectangle(a),tf))

tf = logical 0 I3 = 4×0 empty double matrix I3 = 4×0 empty double matrix I3 = 4×0 empty double matrix I3 = 4×0 empty double matrix I3 = 4×0 empty double matrix