Tag:Pharmacy

  • Mongodb geonear usage record

    Time:2021-9-11

    If necessary, query the location near a coordinate point data format It can be in the form of array or geojson <field>: [ <x>, <y> ] <field>: [<longitude>, <latitude> ] GeoJSON location: { type: “Point”, coordinates: [-73.856077, 40.848447] } List longitude first, then latitude For example, LOC field { “City”: “Beijing”, “geo_id”: 565932, “Geo_name”: “wanliuyuan […]

  • Qianxin school move: buy masks (c + +)

    Time:2021-7-1

    ⭐ Article link: www.mengyingjie.com/archives/38/ ⭐ Time limit: 1 second for C / C + + and 2 seconds for other languagesSpace limit: C / C + + 26214k, other languages 524288K64bit IO Format: %lld Title Description Xiaoming has n yuan to go to the drugstore to buy masks. There are 6 brands of masks in […]