OJ Board

Find Out any bug in my code or please give me some testcase for which my code dosent work. My code got WA.

Any one can get runtime error because input may be like

A1 13579;
B1 a-123;

Handle this i got accepted other wise i got runtime error.

There is no same input.
for
ab
abab
input, output is
abab

6 5
XXXXX
XXXXX
XXX..
X.XX.
X..XX
X...X

5 6
XXXXXX
XXX...
XXXX..
XX.XX.
XX..XX
5 6
XXXXXX
...XXX
..XXXX
.XX.XX
XX..XX
6 5
XXXXX
XXXXX
..XXX
.XX.X
XX..X
X...X
0

For all this test case output is 2.
But type of the 2 and 3 no of test case is not in the judge test case
because one of my accepted code ...