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[APIO2019]路灯 | K-D Space #24

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EndSaH opened this issue Sep 24, 2019 · 0 comments
Open

[APIO2019]路灯 | K-D Space #24

EndSaH opened this issue Sep 24, 2019 · 0 comments

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@EndSaH
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EndSaH commented Sep 24, 2019

https://endsah.cf/blog/APIO2019-%E8%B7%AF%E7%81%AF/

Description一辆自动驾驶的出租车正在 Innopolis 的街道上行驶。该街道上有 $n + 1$ 个停车站点,它们将街道划分成了 $n$ 条路段。每一路段都拥有一个路灯。当第 $i$ 个路灯亮起,它将照亮连接第 $i$ 与第 $i + 1$ 个站点的路段。否则这条路段将是黑暗的。 安全起见,出租车只能在被照亮的路段上行驶。换言之,出租车能从站点 $a$ 出发到达站点 $b(a <

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