#include <iostream>
using namespace std;
int main()
{
	int ia[3][4] = { 1 ,2 ,3,4 ,5 ,6 ,7, 8, 9 ,10, 11 ,12 };
	int(*p)[4] = ia;                    //p指向含4个整数的数组
	for (auto p = begin(ia); p != end(ia); ++p)
	{
		for (auto q = begin(*p); q != end(*p); ++q)
			cout << *q << '\t';
		cout << endl;
	}
}