for (int i = 1; i < n; i++) {
Philippa RoxbyHealth reporter
。关于这个话题，搜狗输入法下载提供了深入分析
Option 1: The system can update the cost of that specific shortcut in the base graph and quickly re-run the Dijkstra search (Step 2) on the abstract graph to find an alternative high-level path.
// 随机选基准，避免最坏情况