Set as default Constraints $1<=$ n $<=100001<=$ m $<=1000$ Each element of mat$[]$ is a binary string consisting only of $0\text{'}$s and $1\text{'}$s$.$ Input Format For Custom Testing $$ Sample Case $0$ Sample Input For Custom Testing STDIN FUNCTION n$=40010$ mat$][4\text{'}2010\text{'},\text{'}8108$ C $\text{'}1001\text{'}101601601$ Sample Output $2$ Explanation One possible solution is to cyclically shift the left $("00100100")$ and row $3$ to the