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从终点逆退可行的路径（镜子的序列)然后不就确定了唯一的光路的么？只要数据保证路径唯一就可以了吧？In Reply To:大概数据可以保证唯一解吧....这个题目好麻烦.. Posted by:gajigajixmu at 2006-08-14 15:58:39 Followed by: Post your reply here: |
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