#include <iostream> 
using namespace std; 
int main() 
{	int *pi=new int(88),*qi;		//聲明兩個整型指針變量
	cout<<"The address is as follows:"<<endl <<"pi="<<pi<<", qi="<<qi<<endl;
	qi=pi;						//語句1：淺拷貝
	delete pi;
	delete qi;					//錯誤：由于淺拷貝帶來內存重復釋放。
	cout<<"pi="<<pi<<", qi="<<qi<<endl;
	return 0;
}