C++:Vector及指针的使用

Vector.cpp

/************************************************************************/
/* Vector及指针的使用                                                                     */
/************************************************************************/
#include "stdafx.h"
#include <iostream>
#include <vector>

using namespace std;

int main(int argc, char* argv[])
{
	vector<int> perr, ferry;
	vector<int> *pVectArr[2] = {&perr, &ferry};
	vector<int> *pPerr = 0;
	cout << "address of perr:" << &perr << endl;
	cout << "address of ferry:" << &ferry << endl;
	for (int i=0; i<20; ++i)
	{
		perr.push_back(i);
		cout << "address of perr["<<i<<"]= "<<&(perr[i]) << endl;
	}
	pPerr = &perr;
	pPerr->push_back(200);
	pVectArr[0]->push_back(300);
	if (pPerr && !pPerr->empty())
	{
		for (i=0; i<pPerr->size(); ++i)
		{
			cout << "perr["<<i<<"]= "<<(*pPerr)[i]<<endl;
		}
	}
	return 0;
}