C / C++ / MFC

#include <string>
#include <iostream>
#include <unordered_map>

int _tmain(int argc, _TCHAR* argv[])
{
   std::tr1::unordered_map<std::string, int> a;
   a.insert(std::make_pair("Hello", 10));
   a.insert(std::make_pair("Goodbye", 20));

   std::cout << a.count("test") << std::endl;
   std::cout << a.count("Hello") << std::endl;

   return 0;
}

std::map<MarkType, NameType> marksAndStudents;

std::map<int, std::string> s;
s.insert(std::make_pair(10, "10"));
s.insert(std::make_pair(20, "20"));
s.insert(std::make_pair(30, "30"));
s.insert(std::make_pair(40, "40"));
s.insert(std::make_pair(50, "50"));
s.insert(std::make_pair(60, "60"));
s.insert(std::make_pair(70, "70"));
s.insert(std::make_pair(80, "80"));
s.insert(std::make_pair(90, "90"));
s.insert(std::make_pair(100, "100"));
s.insert(std::make_pair(110, "110"));
s.insert(std::make_pair(120, "120"));

std::map<int, std::string>::const_reverse_iterator it = s.rbegin();
for (int i=0;i<10;++i)
{
   std::cout << it->second << std::endl;++it;
}