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本来打算线段树开始写了，还好偶然来讨论版看到LZ的发言～！感谢啊In Reply To:题目没看清害得啊 Posted by:Ultramanhu at 2008-12-09 19:14:24 > 少看一句：It is confirmed that these sections do not overlap with each other. > > 一直考虑重叠区间补充，麻烦很多啊，要 Followed by: Post your reply here: |
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