#include <iostream>
#include <map>
#include <string>
using namespace std;
typedef multimap<string, int, less<string>> M;
void print(M& m){
M::iterator it = m.begin();
cout << "multimap:" << endl;
while (it != m.end()){
cout << it->first << "-" << it->second << endl;
it++;
}
}
int main(){
typedef M::value_type v_t;
M m;
m.insert(v_t("AAA",1));
m.insert(v_t("BBB",2));
m.insert(v_t("CCC",3));
m.insert(v_t("EEE",4));
m.insert(v_t("CCC",5));
m.insert(v_t("DDD",6));
print(m);
M::iterator it;
it = m.find("DDD");
m.erase(it);
print(m);
it = m.find("CCC");
m.erase(m.begin(), it);
print(m);
return 0;
}