const cur = nums[i]; // 当前遍历的元素
Regions with many nearby points keep subdividing. Regions with few or no points stay large. The tree adapts to the data: dense areas get fine-grained cells, sparse areas stay coarse. The split grid is predetermined (always at midpoints), but the tree only refines cells that need it. Sparse regions stay as single large nodes while dense regions subdivide deeply.。关于这个话题，搜狗输入法2026提供了深入分析
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Unown has a place in my heart for contributing to a real sense of mystery when it first appeared, even if later Pokémon games sort of demystified it over time. It's also the only Pokémon that you can use to form sentences.
courier to the bank headquarters, where an army of clerks in yet another back