Discover MakerZone

MATLAB and Simulink resources for Arduino, LEGO, and Raspberry Pi

Learn more

Discover what MATLAB® can do for your career.

Opportunities for recent engineering grads.

Apply Today

Solution 110110

Submitted on 11 Jul 2012 by Aurelien Queffurust

Correct

51Size
Leading solution size is 48.
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

Test Suite

Test
Code Input and Output
1
Pass
 
%%
a = [1 0; 0 0];
[r1,r2,c1,c2] = biggest_box(a);
sub = a(r1:r2,c1:c2);
[m,n] = size(sub);
len = 1;
assert(isequal(sum(sub(:)),0))
assert(isequal(m,len));
assert(isequal(n,len));
varargout =
    [2]    [2]    [1]    [1]
2
Pass
 
%%
a = [1 0 0; 0 0 0; 0 0 0];
[r1,r2,c1,c2] = biggest_box(a);
sub = a(r1:r2,c1:c2);
[m,n] = size(sub);
len = 2;
assert(isequal(sum(sub(:)),0))
assert(isequal(m,len));
assert(isequal(n,len));
varargout =
    [2]    [2]    [1]    [1]
varargout =
    [2]    [3]    [1]    [2]
3
Pass
 
%%
a = eye(9);
[r1,r2,c1,c2] = biggest_box(a);
sub = a(r1:r2,c1:c2);
[m,n] = size(sub);
len = 4;
assert(isequal(sum(sub(:)),0))
assert(isequal(m,len));
assert(isequal(n,len));
varargout =
    [2]    [2]    [1]    [1]
varargout =
    [3]    [4]    [1]    [2]
varargout =
    [4]    [6]    [1]    [3]
varargout =
    [5]    [8]    [1]    [4]
4
Pass
 
%%
a = double(magic(7)<6);
[r1,r2,c1,c2] = biggest_box(a);
sub = a(r1:r2,c1:c2);
[m,n] = size(sub);
len = 4;
assert(isequal(sum(sub(:)),0))
assert(isequal(m,len));
assert(isequal(n,len));
varargout =
    [1]    [1]    [1]    [1]
varargout =
    [1]    [2]    [1]    [2]
varargout =
    [1]    [3]    [1]    [3]
varargout =
    [2]    [5]    [2]    [5]