1 solutions

  • 1
    @ 2025-9-28 10:40:01

    这是一道神奇的题目，大概思路：Kruskal求最大生成树，重链剖分再通过ST表求出最最大生成树路径上的最小值
    代码调了两个多小时，还是没AC

    • 1

    [NOIP 2013 提高组] 货车运输

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