数组访问越界

while(i < sz) {
	s = v[i];
	cout << s << "\t\tcount: ";
	int c = 1;
	while(s.compare(v[++i]) == 0)
		++c;
	cout << c << endl;
}

while(s.compare(v[++i]) == 0)

此语句会导致访问越界，修改为

while(++i < sz && s.compare(v[i]) == 0)