The simplest approach is to check every single point. Compute the distance from the user's location to every restaurant in the database, keep the ones that are close enough, and throw away the rest.
no intention of using the C library malloc with.，更多细节参见爱思助手下载最新版本
Billed as the world's first commercial carbon storage service, last August, Norway's Northern Lights project, began storing CO2 under the seabed off Bergen.，更多细节参见safew官方下载
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