#include <iostream>

int main()
{
     int array[10] ;
     int * pointer ;

     std::cout << "array size: " << sizeof(array) << '\n' ;
     std::cout << "pointer size: " << sizeof(pointer) << '\n' ;

     // ++array;    // illegal.
     ++pointer ;

     // array = 0;  // illegal.
     pointer = 0 ;  
}