Given a maze of N*M size. The labyrinth is composed of channels and walls, and each step can move to the adjacent, upper and lower channels. The minimum number of steps required from the starting point to the end is requested.

Filename	Size	Update
走迷宫\走迷宫.cpp	422	2017-08-30
走迷宫\走迷宫.exe	1410121	2017-08-30
走迷宫	0	2018-02-25

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