数组指针探寻

程序运行结果如下：

&a[0][0]=0x0012FF50     &a[0][1]=0x0012FF54     &a[0][2]=0x0012FF58

&a[1][0]=0x0012FF5C     &a[1][1]=0x0012FF60     &a[1][2]=0x0012FF64

&a[2][0]=0x0012FF68     &a[2][1]=0x0012FF6C     &a[2][2]=0x0012FF70

&a[3][0]=0x0012FF74     &a[3][1]=0x0012FF78     &a[3][2]=0x0012FF7C

 

a[0]=0x0012FF50

a[1]=0x0012FF5C

a[2]=0x0012FF68

a[3]=0x0012FF74

 

a+0=0x0012FF50

a+1=0x0012FF5C

a+2=0x0012FF68

a+3=0x0012FF74

 

*(a+0)=0x0012FF50

*(a+1)=0x0012FF5C

*(a+2)=0x0012FF68

*(a+3)=0x0012FF74

 

**(a+0)=11

**(a+1)=21

**(a+2)=31

**(a+3)=41

 

*(*(a+0)+0)=11  *(*(a+0)+1)=12  *(*(a+0)+2)=13

*(*(a+1)+0)=21  *(*(a+1)+1)=22  *(*(a+1)+2)=23

*(*(a+2)+0)=31  *(*(a+2)+1)=32  *(*(a+2)+2)=33

*(*(a+3)+0)=41  *(*(a+3)+1)=42  *(*(a+3)+2)=43

 

(*(a+0)+0)=0x0012FF50   (*(a+0)+1)=0x0012FF54   (*(a+0)+2)=0x0012FF58

(*(a+1)+0)=0x0012FF5C   (*(a+1)+1)=0x0012FF60   (*(a+1)+2)=0x0012FF64

(*(a+2)+0)=0x0012FF68   (*(a+2)+1)=0x0012FF6C   (*(a+2)+2)=0x0012FF70

(*(a+3)+0)=0x0012FF74   (*(a+3)+1)=0x0012FF78   (*(a+3)+2)=0x0012FF7C

 

*(a+0+0)=0x0012FF50    *(a+0+1)=0x0012FF5C   *(a+0+2)=0x0012FF68

*(a+1+0)=0x0012FF5C   *(a+1+1)=0x0012FF68    *(a+1+2)=0x0012FF74

*(a+2+0)=0x0012FF68    *(a+2+1)=0x0012FF74    *(a+2+2)=0x0012FF80

*(a+3+0)=0x0012FF74    *(a+3+1)=0x0012FF80    *(a+3+2)=0x0012FF8C

Press any key to continue

 

程序如下：

#include

void main(){

       int a[4][3]={11,12,13,21,22,23,31,32,33,41,42,43};

       int i,j;

 

       for (i=0; i<4; i++,cout<       //&a[i][j]

              for (j=0;j<3;j++)

                     cout<<"&a["<

             

       for (cout<       //a[i]

              cout<<"a["<

 

       for (cout<  //a+i

              cout<<"a+"<

 

       for (cout<  //*(a+i)

              cout<<"*(a+"<

 

       for (cout<  //**(a+i)

              cout<<"**(a+"<

 

       for (i=0;cout<  //*(*(a+i)+j)

              for (j=0;j<3;j++)

                     cout<<"*(*(a+"<

 

       for (i=0; cout<       //(*(a+i)+j)

              for (j=0;j<3;j++)

                     cout<<"(*(a+"<

 

       for (i=0; cout<       //*(a+i+j)

              for (j=0;j<3;j++)

                     cout<<"*(a+"<

}