void biggies( vector<string>::size_type sz)
{
	vector<string> words{ "saw","sbe","scr","sb" };
	sort(words.begin(), words.end());
	auto endl_flag = unique(words.begin(), words.end());
	words.erase(endl_flag, words.end());
	
	stable_sort(words.begin(), words.end(), [](const string& a, const string& b) {return a.size() < b.size();});
	auto wc = find_if(words.begin(), words.end(), [sz](const string& a) {return a.size() > sz;});
	auto count = words.end() - wc;
	
	for_each(wc, words.end(), [](const string &s) {cout << s << ‘\t‘;});
	cout << endl;
}

void x10t21()
{
	int num = 5;
	auto f = [&num]()->bool {if (num > 0) { num--;return false; } else return true;};
	while (!f());
	cout << num << endl;;
}