C++给变量分配内存及删除内存

#include <iostream>
using namespace std;

// new 分配内存  delete 删除内存
int main()
{
	double* pvalue = NULL; // 初始化为null的指针
	pvalue = new double; // 为变量请求内存
	*pvalue = 3212.32;
	cout << *pvalue << endl;

	delete pvalue; // 释放内存

	system("pause");
	return 0;

}