Ticket 10834
Problem 1647 -b
View hacks & all small testcases

Unable to dry run this testcase?
Try making a new request with small values of n_high, t_high, *_high, etc.


Retry
Input
2
4 6
110110
010110
101111
110100
5 3
011
110
010
101
101
Expected Output
NO
NO
Generator Parameters
--col_high 7 --col_low 1 --row_high 7 --row_low 1 --t_high 2 --t_low 1