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这题数据没问题,跟方向没关系。只不过先搜格子,后搜人时。
要考虑先广搜到的格子最小,并不代表在这个位置人就是最小的。
如
st.....
....#..
.......
....B..
...#.#.
...#...
这是这组列子先走上下,虽然推格子是一样多,但走的路多。
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