练习3.43

#include<iostream>
using namespace std;

int main()
{
	int ia[2][3] = { 1, 2, 3, 4, 5, 6 };
//数组下标略	
	
        for (int (&i)[3] : ia)
		for (int &j : i)
			cout << j << endl;

	for (int (*i)[3] = begin(ia); i != end(ia); i++)
		for (int *j = begin(*i); j != end(*i); j++)
			cout << *j << endl;

	return 0;
}