The trouble with advice is you seldom know whether it's good or bad until you no longer need it.
建议给人的苦恼是只有当你不再需要它时,你才知道它是好还是坏。
You can delete a spatial index when you no longer need it.
不再需要某个空间索引时,可以将其删除。
Right? If that was the case in that code, then my complexity is no longer log, because I need linear access for each time I've got to go to the list, and it's going to Lisp be much worse than that.
这里的复杂度不再是对数的了,因为每次在列表中,查找需要线性访问,可能还要糟糕,其实,有些编程语言,如。
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