multimap的一些常用操作

#include <iostream>#include <utility>#include <string>#include <map>using namespace std;int main(){multimap<string, string> mp;mp.insert( make_pair("wuhan", "re_gan_mian") );mp.insert( make_pair("wuhan",  "wu_chan_yu") );/*Output*/string str = "wuhan";multimap<string, string>::iterator beiter = mp.lower_bound( str );multimap<string, string>::iterator eniter = mp.upper_bound( str );while(beiter != eniter){cout<< beiter++->second <<endl;}multimap<string, string>::iterator it = mp.find("wuhan");cout<< it->first <<endl;cout<< it->second <<endl;return 0;}

参考文档：http://www.cplusplus.com/reference/map/multimap/?kw=multimap