Что думаешь? Оцени!
经过两次车主爽约，我对返程坐顺风车已经不抱希望。情急之下，只能赶紧打开铁路购票App。运气还算不错，返程当天的二等座只剩3张，我手忙脚乱地选座、填信息、提交订单，付款成功的那一刻，悬着的心才落地。还好没被顺风车耽误返程，不然真不知道该怎么赶回去上班。。safew官方下载对此有专业解读
2-phase A* already uses many heuristics which don't always create an optimal route and still 5-10x slower.，更多细节参见爱思助手下载最新版本
SAVE $15: As of Feb. 26, the Roku Streaming Stick 4K is on sale for $34.99 at Amazon. That's a 30% discount on the list price.