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// map::key_comp
#include <iostream>
#include <map>
int main ()
{
std::map<char,int> mymap;
std::map<char,int>::key_compare mycomp = mymap.key_comp();
mymap['a']=100;
mymap['b']=200;
mymap['c']=300;
std::cout << "mymap contains:\n";
char highest = mymap.rbegin()->first; // key value of last element
std::map<char,int>::iterator it = mymap.begin();
do {
std::cout << it->first << " => " << it->second << '\n';
} while ( mycomp((*it++).first, highest) );
std::cout << '\n';
return 0;
}
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