Struct array (name not id) using map

#include <iostream>
#include <map>
#include <string>

struct admin {
    int level;
};

std::map<std::string,struct admin> adminmap;

int main() {
    adminmap["dartakous"].level = 20;
    std::cout << "hi!" << std::endl;
    std::cout << adminmap["dartakous"].level << std::endl;
    return 0;
}