int a[1][4]={1,2,3,4};
    int (*p)[4] = a;//p point to the row of array a
    for(int i=0;i<4;i++)
    {
     cout<<*((*p)+i)<<" ";
    }

#include<iostream>
#include<stdio.h>
using namespace std;
int main()
{
    int a[2][2]={1,2,3,4};
    int (*p)[2] = a;//p point to the row of array a
    for(int i = 0;i<2;i++)//output matrix using p
    {
            for(int j = 0;j<2;j++)
            {
                    cout<<*(*(p+i)+j)<<" ";
            }
            cout<<endl;
    }
    int (**q)[2] = &p;//q point to p
    for(int i = 0;i<2;i++)//output matrix using q
    {
            for(int j = 0;j<2;j++)
            {
                    cout<<*(*(*q+i)+j)<<" ";
            }
            cout<<endl;
    }

    getchar();
    return 0;
}