Question

multimap 如何遍历

#include <string>
#include <map>

using namespace std;

void main()
{

typedef multimap<string,string> M;
M author;
author.insert(make_pair("Tom","Good"));
author.insert(make_pair("Herry","Yeah"));
author.insert(make_pair("Tom","wefef"));
author.insert(make_pair("Herry","hehehaha"));
author.insert(make_pair("Herry","comcomcomcom"));

for (M::iterator iter = author.begin(); iter != author.end(); ++iter)
{
cout<<iter->first<<endl; //出错
}
}

Answer 1

输出：
$ test.exe
Herry
Herry
Herry
Tom
Tom

不懂LZ啥意思~哪里出错了呢？