原文:hdu 6049 Sdjpx Is Happy

题: OwO http: acm.hdu.edu.cn showproblem.php pid Multi University Training Contest Team 解: 先预处理 mn i j 记录区间最小值,mx i j 记录区间最大值,则如果mx mn 和区间数字数量相同则该区间可以被归到一个小段 f i j 记录 i,j 段最多可以被分成几个小段,sav i 记录从i开始的上次的可 ...

2017-07-28 23:11 13 442 推荐指数:

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