* 核心思路：链表转数组 + 单调栈（从后往前遍历），时间复杂度O(n)，空间复杂度O(n)
Servers in 105 countries
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县级以上地方人民政府应当对社区信息化建设进行统筹规划和实施，鼓励和支持居民委员会运用现代信息技术服务居民。
The free plan from Copy AI is a welcome sight, however, it is just suitable for testing the software.
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The algorithm walks the tree recursively. At each node, it checks: does this node's bounding box overlap with the query rectangle? If not, the entire subtree gets pruned (skipped). If it does overlap, it tests the node's points against the query and recurses into the children.
数据迁移：全量+增量同步与元数据一致性保障，推荐阅读91视频获取更多信息