Pointers and references

Test.cpp: Defines the entry point of the console application.
//

#include "stdafx.h"
#include <iostream>
#include <vector>
using namespace std;

struct A
{public
:
	int num;
};

Std::vector<a> nums;

BOOL Modify1 (a& a)
{
	//a = B;
	A = Nums[0];
	return true;
}

BOOL Modify2 (a*& ptr)
{
	ptr = &nums[0];
	return true;
}

int main ()
{
	//simulate stack.
	A b;
	B.num = 1987;
	Nums.push_back (b);
	You are now implementing the method.
	A;
	Modify1 (a);
	A * aptr = &a;
	Aptr->num =;
	cout<< nums[0].num << Endl;
	Implementation method After change a
	* AA;
	Modify2 (AA);
	Aa->num = +;
	cout<< nums[0].num << Endl;
	return 0;
}

Operation Result:

1987

17