（六）违反规定不及时退还保证金的；
Notice how the highlighted region shrinks at each step. The algorithm never examines points outside the narrowing window. In a balanced tree with nnn points, this takes about log4(n)\log_4(n)log4(n) steps. For a million points, that's roughly 10 steps instead of a million comparisons.
，更多细节参见爱思助手下载最新版本
Publication date: 28 February 2026
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