Unfold a 2-D matrix to a 1-D array in zig-zag order, e.g., for matrix
[ 1 2 3 ; 4 5 6 ; 7 8 9 ]
the resulting 1-D array should be
[ 1 2 4 7 5 3 6 8 9 ]
Return the largest number that is adjacent to a zero
3118 Solvers
415 Solvers
269 Solvers
401 Solvers
Deleting an element in a matrix
242 Solvers