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Solution 273039

Submitted on 3 Jul 2013 by Matt Eicholtz

Correct

152Size
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));
1	1	0
1	1	1
1	2	0
2	1	0
2	2	0
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));
1	1	0
1	1	1
1	1	2
1	2	0
1	2	1
1	3	0
2	1	0
2	1	1
2	2	0
2	2	1
2	3	0
3	1	0
3	2	0
3	3	0
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));
1	1	0
1	1	1
1	1	2
1	1	3
1	1	4
1	1	5
1	1	6
1	1	7
1	1	8
1	2	0
1	2	1
1	2	2
1	2	3
1	2	4
1	2	5
1	2	6
1	2	7
1	3	0
1	3	1
1	3	2
1	3	3
1	3	4
1	3	5
1	3	6
1	4	0
1	4	1
1	4	2
1	4	3
1	4	4
1	4	5
1	5	0
1	5	1
1	5	2
1	5	3
1	5	4
1	6	0
1	6	1
1	6	2
1	6	3
1	7	0
1	7	1
1	7	2
1	8	0
1	8	1
1	9	0
2	1	0
2	1	1
2	1	2
2	1	3
2	1	4
2	1	5
2	1	6
2	1	7
2	2	0
2	2	1
2	2	2
2	2	3
2	2	4
2	2	5
2	2	6
2	2	7
2	3	0
2	3	1
2	3	2
2	3	3
2	3	4
2	3	5
2	3	6
2	4	0
2	4	1
2	4	2
2	4	3
2	4	4
2	4	5
2	5	0
2	5	1
2	5	2
2	5	3
2	5	4
2	6	0
2	6	1
2	6	2
2	6	3
2	7	0
2	7	1
2	7	2
2	8	0
2	8	1
2	9	0
3	1	0
3	1	1
3	1	2
3	1	3
3	1	4
3	1	5
3	1	6
3	2	0
3	2	1
3	2	2
3	2	3
3	2	4
3	2	5
3	2	6
3	3	0
3	3	1
3	3	2
3	3	3
3	3	4
3	3	5
3	3	6
3	4	0
3	4	1
3	4	2
3	4	3
3	4	4
3	4	5
3	5	0
3	5	1
3	5	2
3	5	3
3	5	4
3	6	0
3	6	1
3	6	2
3	6	3
3	7	0
3	7	1
3	7	2
3	8	0
3	8	1
3	9	0
4	1	0
4	1	1
4	1	2
4	1	3
4	1	4
4	1	5
4	2	0
4	2	1
4	2	2
4	2	3
4	2	4
4	2	5
4	3	0
4	3	1
4	3	2
4	3	3
4	3	4
4	3	5
4	4	0
4	4	1
4	4	2
4	4	3
4	4	4
4	4	5
4	5	0
4	5	1
4	5	2
4	5	3
4	5	4
4	6	0
4	6	1
4	6	2
4	6	3
4	7	0
4	7	1
4	7	2
4	8	0
4	8	1
4	9	0
5	1	0
5	1	1
5	1	2
5	1	3
5	1	4
5	2	0
5	2	1
5	2	2
5	2	3
5	2	4
5	3	0
5	3	1
5	3	2
5	3	3
5	3	4
5	4	0
5	4	1
5	4	2
5	4	3
5	4	4
5	5	0
5	5	1
5	5	2
5	5	3
5	5	4
5	6	0
5	6	1
5	6	2
5	6	3
5	7	0
5	7	1
5	7	2
5	8	0
5	8	1
5	9	0
6	1	0
6	1	1
6	1	2
6	1	3
6	2	0
6	2	1
6	2	2
6	2	3
6	3	0
6	3	1
6	3	2
6	3	3
6	4	0
6	4	1
6	4	2
6	4	3
6	5	0
6	5	1
6	5	2
6	5	3
6	6	0
6	6	1
6	6	2
6	6	3
6	7	0
6	7	1
6	7	2
6	8	0
6	8	1
6	9	0
7	1	0
7	1	1
7	1	2
7	2	0
7	2	1
7	2	2
7	3	0
7	3	1
7	3	2
7	4	0
7	4	1
7	4	2
7	5	0
7	5	1
7	5	2
7	6	0
7	6	1
7	6	2
7	7	0
7	7	1
7	7	2
7	8	0
7	8	1
7	9	0
8	1	0
8	1	1
8	2	0
8	2	1
8	3	0
8	3	1
8	4	0
8	4	1
8	5	0
8	5	1
8	6	0
8	6	1
8	7	0
8	7	1
8	8	0
8	8	1
8	9	0
9	1	0
9	2	0
9	3	0
9	4	0
9	5	0
9	6	0
9	7	0
9	8	0
9	9	0
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));
1	1	0
1	1	1
1	1	2
1	1	3
1	1	4
1	1	5
1	1	6
1	2	0
1	2	1
1	2	2
1	2	3
1	2	4
1	2	5
1	3	0
1	3	1
1	3	2
1	3	3
1	3	4
1	4	0
1	4	1
1	4	2
1	4	3
1	5	0
1	5	1
1	5	2
1	6	0
1	6	1
1	7	0
2	1	0
2	1	1
2	1	2
2	1	3
2	1	4
2	1	5
2	2	0
2	2	1
2	2	2
2	2	3
2	2	4
2	2	5
2	3	0
2	3	1
2	3	2
2	3	3
2	3	4
2	4	0
2	4	1
2	4	2
2	4	3
2	5	0
2	5	1
2	5	2
2	6	0
2	6	1
2	7	0
3	1	0
3	1	1
3	1	2
3	1	3
3	1	4
3	2	0
3	2	1
3	2	2
3	2	3
3	2	4
3	3	0
3	3	1
3	3	2
3	3	3
3	3	4
3	4	0
3	4	1
3	4	2
3	4	3
3	5	0
3	5	1
3	5	2
3	6	0
3	6	1
3	7	0
4	1	0
4	1	1
4	1	2
4	1	3
4	2	0
4	2	1
4	2	2
4	2	3
4	3	0
4	3	1
4	3	2
4	3	3
4	4	0
4	4	1
4	4	2
4	4	3
4	5	0
4	5	1
4	5	2
4	6	0
4	6	1
4	7	0
5	1	0
5	1	1
5	1	2
5	2	0
5	2	1
5	2	2
5	3	0
5	3	1
5	3	2
5	4	0
5	4	1
5	4	2
5	5	0
5	5	1
5	5	2
5	6	0
5	6	1
5	7	0
6	1	0
6	1	1
6	2	0
6	2	1
6	3	0
6	3	1
6	4	0
6	4	1
6	5	0
6	5	1
6	6	0
6	6	1
6	7	0
7	1	0
7	2	0
7	3	0
7	4	0
7	5	0
7	6	0
7	7	0