সি++ nested

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

int main() {
  std::map<std::string, std::string> user = {
    {"নাম", "মোঃ আরিফ"}
  };

  std::cout << user["তথ্য"] << std::endl;
  std::cout << user["স্বপ্ন"];

  return 0;
}