1L decoder, d=4, 1h, ff=8
Imagine a vast shopping mall parking lot with thousands of individual parking spots and internal lanes (representing road segments within a cluster). No matter how complex it is inside, there are usually only a few key exits to the main roads. Our goal was to identify these natural "exits" for each map cluster. For instance, the complex road network around Amsterdam Airport Schiphol (see on OpenStreetMap) has many internal roads but limited primary access points.
，详情可参考夫子
syntax = "proto3"; // 指定使用proto3版本
热气腾腾的煎饼摊、干净敞亮的菜市场、随处可见的口袋公园、社区小广场上欢快起舞的居民……“看得出来，他们中的大多数人都生活惬意、积极向上，这样的中国很温暖。”骑着共享单车，途经天津的大街小巷，所见的一幕幕，让格雷格如是感慨。