OR Matrix

You are given a matrix of integers $A$ with $N$ rows (numbered $1$ through $N$) and $M$ columns (numbered $1$ through $M$). Each element of this matrix is either $0$ or $1$. A *move* consists of the following steps: - Choose two different rows $r_1$ and $r_2$ or two different columns $c_1$ and $c_2$. - Apply the bitwise OR operation with the second row/column on the first row/column. Formally, if