We know the parents array is redundant so we can ignore it and we know that a tree can be represented by level order in an array.
右面的数组对应左边的树，可以发现parents这个数组是完全冗余的。可以只通过keys这个数组来表示出堆（因为与普通的BST相比，Heap只允许最右下的元素丢失）
4 Matching Annotations
- Last 7 days
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cs61b-2.gitbook.io cs61b-2.gitbook.io
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- Dec 2025
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docs.docker.com docs.docker.com
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Using the Compose command line tool you can create and start one or more containers for each dependency with a single command (docker compose up).
使用docker compose，相当于在yaml中一次启动多个容器，但除此之外还可以解决依赖问题（容器启动顺序）
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networkmanager.dev networkmanager.dev
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you can add additional .conf files to the /etc/NetworkManager/conf.d directory. These will be read in order, with later files overriding earlier ones.
应该在/conf.d中创建.conf文件，在使用NM时会优先读取最新文件
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If a default NetworkManager.conf is provided by your distribution's packages, you should not modify it, since your changes may get overwritten by package updates.
不要直接去动/etc/NetworkManager/下的NetworkManager.conf，否则可能会因为更新直接被替换
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