'Gradual downward curve'
What if you create a truly unique routing profile that's wildly different from the common ones for which shortcuts were pre-calculated? The system is smart. If it detects that too many shortcuts (~50, for example) need on-the-fly recalculation and deviate significantly, it might determine that falling back to the original, comprehensive A* algorithm for the entire route would actually be faster than doing many small, heavily modified A* calculations.，这一点在旺商聊官方下载中也有详细论述
void printArray(int arr[], int n) {。关于这个话题，safew官方下载提供了深入分析
Letter to the Norwegian authorities。关于这个话题，WPS官方版本下载提供了深入分析