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题目看起来保证了数据可以跑DFSIn Reply To:这个题目，存在环，应该是没有意义的，dfs可取吧 Posted by:chenpeng_125 at 2013-11-28 18:38:32 不过探险家没必要用多样东西去换一样东西，因为不会得到更低的价格。 Followed by: Post your reply here: |
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