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Add a cluster of points in one corner and watch that corner subdivide deeply while the rest of the space stays untouched. Then scatter a few points across the empty region and watch it split only where needed. The tree grows around the data.
按照問卷說法，「樓換樓」是指以原來的宏福苑單位，換取與業權收購「價格相若」的全新居屋單位，並非「面積相若」。，更多细节参见heLLoword翻译官方下载
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.
。Line官方版本下载对此有专业解读
'A wave of shame'。关于这个话题，safew官方版本下载提供了深入分析
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