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一个数据,但是结果未知.网上一个AC的程序显示NO,但是我认为应该是YES

Posted by dirtysalt at 2009-08-01 18:50:56 on Problem 2157
13 13
S............
aAAAAAAAAAAA.
bABBBBBBBBBA.
cABCCCCCCCBA.
dABCDDDDDCBA.
eABCDEEEDCBA.
.ABCDEGEDCBA.
.ABCDEEEDCBA.
.ABCDDDDDCBA.
.ABCCCCCCCBA.
.ABBBBBBBBBA.
.AAAAAAAAAAA.
.............
0 0
首先得到abcde所有钥匙的话就能够打开所有门最终到G的

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