what the f

wtf.cpp

struct sizedinput
{
	int sz;
	template<class T>
	operator T()
	{
		T a(sz);for(auto&k:a)cin>>k;return a;
	}
};

struct input
{
	template<class T>
	operator T()
	{
		T a;cin>>a;return a;
	}
	sizedinput operator[](int sz){return sizedinput{sz};}
}nxt;