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Re:救我一弱渣于两天未看懂这个思路中吧。。。。【树状数组思路】In Reply To:救我一弱渣于两天未看懂这个思路中吧。。。。【树状数组思路】 Posted by:20124818 at 2013-08-20 09:27:21 前两行要考虑多加和少加，后两行只是因为前两行delta的变动产生的对delta[i]*i的维护，没有实际意义。 Followed by: Post your reply here: |
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