1 solutions

  • 0
    @ 2023-5-26 16:46:57

    这题和上一题很像，红。

    按照右端点升序排，对于每个区间都从右往左种树，再暴力维护选择的。

    • 1

    「一本通 1.1 例 2」种树

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    2
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