输出：[1,1,4,2,1,1,0,0]
The efficiency depends on the query size relative to the data distribution. A small query in a sparse region prunes almost everything. A query that covers the whole space prunes nothing (because every node overlaps), degenerating to a brute-force scan. The quadtree gives you the most benefit when your queries are spatially local, which is exactly the common case for map applications, game physics, and spatial databases.
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蓋茨與前妻梅琳達·弗蘭奇·蓋茨（Melinda French Gates）共同建立了這個慈善組織。他們在共同生活27年後，於2021年離婚。
从 512px 的配图到 4K 级别的超高清海报，它都能拿捏。输入一段关于「重庆老火锅」的提示词，它能生成一张赛博朋克风的雨夜街景，湿漉漉的柏油路上，红蓝霓虹灯的倒影和「24 小时营业」的招牌都细致入微。