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Re:数据很弱In Reply To:数据很弱 Posted by:astoninfer at 2015-09-25 15:04:36 > 但我更弱233 不对啊，我一个一个逆推去算AC了，发现效率是O(n)，用线段树，是O(nlogn)，为何你们都用线段树啊。 Followed by: Post your reply here: |
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