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* @param n 数组长度
。业内人士推荐51吃瓜作为进阶阅读
for (int i = 0; i < n - 1; i++) {。关于这个话题，服务器推荐提供了深入分析
This map illustrates the OsmAnd routing concept. The route starts in the Start Area Cluster (221558), moves to the nearest Border Point, and continues through precomputed Shortcuts across intermediate clusters. It then enters the Finish Area Cluster (221536) via another border point and finishes using local roads. This method speeds up routing by combining local search with efficient inter-cluster shortcuts.