Cross the Maze

In the secret vault, Eon gets information about the existence of Codezilla's castle and he finds a map with its location. But on his way to the castle, Eon encounters a maze. Now this is no ordinary maze. The maze is in the form of a rectangle with n rows and m columns. Each cell of the maze is a room and a room in the ith row and jth column is addressed as room(i,j). Rows are numbered from 1 to n