提取用,分割的單詞

#include <algorithm>
#include <vector>
#include <iterator>
#include <string>
#include <iostream>
using namespace std;

int main()
{
	string strWord;
	vector<string> word;
	cin>>strWord;
	cout<<strWord;
	string::iterator start=strWord.begin();
	while(start!=strWord.end())
	{
		string::iterator comma=find(start,strWord.end(),',');
		if (comma==strWord.end())
		{
			word.push_back(start);
			break;
		}
		word.push_back(string(start,comma));
		start=comma;
		start++;
	}
	for (vector<string>::iterator iter=word.begin();iter!=word.end();++iter)
	{
		cout<<*iter<<endl;
	}
	return 0;
}