Check my solution

#1

Could u please check my code and tell me some flaws due to which I am not able to pass all the test cases.
Link for the code: https://ide.codingblocks.com/s/414958

#2

for cases with n=1000
you get error see this:

#3

can u elaborate why i would get an error for that test case

#4

@deonaryan080800,
Your code and logic is correct. There was an error while printing the answer.

https://ide.codingblocks.com/s/416444 corrected code. Error in Line: 25

Input:
5 4
OXOO
OOOO
OOXO
XOOO
XXOO

Your output:
1000
1111
0001
0001
0001

Correct Output:
1 0 0 0
1 1 1 1
0 0 0 1
0 0 0 1
0 0 0 1