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// multimap::count
#include <iostream>
#include <map>
int main ()
{
std::multimap<char,int> mymm;
mymm.insert(std::make_pair('x',50));
mymm.insert(std::make_pair('y',100));
mymm.insert(std::make_pair('y',150));
mymm.insert(std::make_pair('y',200));
mymm.insert(std::make_pair('z',250));
mymm.insert(std::make_pair('z',300));
for (char c='x'; c<='z'; c++)
{
std::cout << "There are " << mymm.count(c) << " elements with key " << c << ":";
std::multimap<char,int>::iterator it;
for (it=mymm.equal_range(c).first; it!=mymm.equal_range(c).second; ++it)
std::cout << ' ' << (*it).second;
std::cout << '\n';
}
return 0;
}
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