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// map::clear
#include <iostream>
#include <map>
using namespace std;
int main ()
{
map<char,int> mymap;
map<char,int>::iterator it;
mymap['x']=100;
mymap['y']=200;
mymap['z']=300;
cout << "mymap contains:\n";
for ( it=mymap.begin() ; it != mymap.end(); it++ )
cout << (*it).first << " => " << (*it).second << endl;
mymap.clear();
mymap['a']=1101;
mymap['b']=2202;
cout << "mymap contains:\n";
for ( it=mymap.begin() ; it != mymap.end(); it++ )
cout << (*it).first << " => " << (*it).second << endl;
return 0;
}
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