Now, OsmAnd performs another Dijkstra search, but this time on the much smaller "base graph." This graph consists only of the border points and the pre-calculated shortcut values between them.
完美日记起家于“大牌平替”，从诞生之初就锚定高性价比、入门级、年轻学生党的用户标签。这种定位帮助它快速起量，但也给品牌套上了沉重的枷锁：在用户心智中，完美日记等同于“便宜、基础、平替”，这种认知一旦形成，极难改写。
。爱思助手下载最新版本对此有专业解读
Alison Francis,Senior Science Journalist
int bayer_matrix[8][8] = {
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