l5_17.cpp

《C++程序设计教程》电子教案及例题源码

#include <iostream.h>
void main()
{
	int a, *p1,*p2;
	double b, *p3, *p4;
	p1 = &a;
	p3 = &b;
	cout << p1 << "  " << p3 << endl;
	p2 = p1+1;
	p4 = p3+1;
	cout << p2 << "  " << p4 << endl;
	p2 = p1-1;
	p4 = p3-1;
	cout << p2 << "  " << p4 << endl;
	p2 = p1+5;
	p4 = p3+5;
	cout << p2 << "  " << p4 << endl;
}