C++指针的数组操作

#include <iostream.h>
int a[]={1,2,3,4,5,6};
void main(){
	int *p=a;
	for(int i(0);p+i<a+5;i++,p++)
		cout<<*(p+i)<<" ";
	cout<<endl;
	cout<<a[2]<<','<<*(a+1)<<endl;
	cout<<*p<<','<<p[-3]<<endl;
}