Storage Nightmare: A CH car profile for a region can be massive (e.g., OSRM's Europe is tens of GBs, their global car profile around 200GB for just one profile). Our goal was to keep all profiles and parameters for the entire planet well under 20GB.
Екатерина Щербакова (ночной линейный редактор)
，更多细节参见服务器推荐
Both are valid. Both are interesting.
srand(time(NULL)); // 初始化随机种子