Test pointer address

Pointer.cpp

#include<cstdio>
int main()
  {
    int a[5]={1,2,3,4,5};
    
    printf("sizeof(&a):%d\tsizeof(a)%d\n",sizeof(&a),sizeof(a));
    int *ptr=(int *)(&a+1);
    
    printf("a=%d,&a=%d,a+1=%d,&a+1=%d\n",a,&a,a+1,&a+1);
    printf("%d,%d",*(a+1),*(ptr-1));
    return 0;
  }