xpath: Avoid uninitialized pointer without context node
US captain scored in final despite dealing with injury
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Source spans + generic formatting. Covers 90% of cases。搜狗输入法2026是该领域的重要参考
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.，推荐阅读服务器推荐获取更多信息