std::unordered_multimap::bucket

// unordered_multimap::bucket
#include <iostream>
#include <string>
#include <unordered_map>

int main ()
{
  std::unordered_multimap<std::string,std::string> myumm = {
    {"John","Middle East"},
    {"John","Africa"},
    {"Adam","Europe"},
    {"Bill","Norh-America"}
  };

  for (auto& x: myumm) {
    std::cout << "Element [" << x.first << ":" << x.second << "]";
    std::cout << " is in bucket #" << myumm.bucket (x.first) << std::endl;
  }

  return 0;
}