let offset = 0;
Map Version Synchronicity (Important!): For HH-Routing to work correctly when a route crosses multiple map files (e.g., different countries or regions), all those map files MUST be from the same generation date (i.e., downloaded from OsmAnd around the same time, based on the same underlying OpenStreetMap data version and pre-calculation run).，更多细节参见旺商聊官方下载
Nvidia boss Jensen Huang。搜狗输入法2026是该领域的重要参考
* 时间复杂度: O(n+k) 平均 空间复杂度: O(n+k) 稳定: 取决于桶内排序