关于这道题目Bfs做法的疑惑

P1363 幻象迷宫

6 20 #.##.##.##.##.##.##. #.##.##.##.##.##.##. #.##.##.##.##.##.##. S.#..#..#..#..#..#.. ##..#..#..#..#..#..# #..#..#..#..#..#..## 试一下
by star_magic_young @ 2018-03-28 11:20:10

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@[SaoFish](/space/show?uid=23090)
by star_magic_young @ 2018-03-28 11:20:19

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