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Re:总算过了，一些经验In Reply To:总算过了，一些经验 Posted by:lingd at 2008-09-14 22:35:05 需要判d<0, d是distance, d<0是无论如何都没有解的, 因为不存在为负数的distanse. 破题... Followed by: Post your reply here: |
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