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第一次做就用线段树?

Posted by abcdefgzzzz at 2016-02-17 11:12:42 on Problem 1769 and last updated at 2016-02-17 11:13:25
In Reply To:1A 无压力 Posted by:Master_Chivu at 2010-12-06 22:27:50
> 看来只要写熟了就好了
怎么做的?简单dp还是用线段树优化了?这不TLE一次咋知道需要优化呢?求赐教

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