Now that we can build the tree, let's use it to search. Finding a specific point means starting at the root and asking: which child quadrant contains this coordinate? Then you recurse into that child and ask again. Each level of the tree cuts the search space by roughly three-quarters.
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，详情可参考safew官方版本下载
Fast, English-only
災後有宏福苑居民自發實名聯署，收集到407戶街坊意見，其中394戶同意重建，13戶反對。小陳是有份簽署的其中一戶，他說目前欠缺一個類似有代表性的法人代表討論。
But inside is a shiny new mini power station and lithium extraction plant that is once again accessing rich underground resources in the far south-west of Britain.