#include <iostream>
#include <unordered_map>

int main()
{
    std::unordered_multimap<std::string, std::string> m = {{"jack", "foo"}, {"jill", "bar"}};
    std::cout << "jack is in bucket " << m.bucket("jack") << std::endl;
    std::cout << "jill is in bucket " << m.bucket("jill") << std::endl;
    std::cout << "bjarne is in bucket " << m.bucket("bjarne") << std::endl;
    return 0;
}