C++Primer第五版 练习5.14

#include
#include
#include
using namespace std;

int main()
{
	vectorv;
	string s, s1;
	int cnt = 1;
	bool flag = false;
	while (cin >> s)
	{
		v.push_back(s);
	}
	auto beg = v.begin();
	s = *beg;
	while (beg != v.end()-1)
	{
		if (s == *(beg + 1))
		{
			++cnt;
			++beg;

		}
		else
		{
			if (cnt > 1)
			{
				cout << s << "连续出现" << cnt << "次" << endl;
				flag = true;
			}
			cnt = 1;
			++beg;
			s = *beg;
			flag = false;
		}
	}
	if (flag == false&&cnt<=1)
	{
		cout << "没有任何一个单词连续出现过" << endl;
	}
	else if (flag == false && cnt > 1)
	{
		cout << s << "连续出现" << cnt << "次" << endl;
	}
	return 0;
}