练习2014081502

/********************************************************************
@file     Main_practise.cpp
@date     2014-8-15
@author   Tiger
@brief    二维数组
@details  为一个二维数组分配存储空间。
********************************************************************/
#include <iostream>
#include <vld.h>

const int ROW = 3;
const int COL = 3;

template <typename T>
void Make2DArray(T**& arr, int nRows, int nCols);

template <typename T>
void Delete2DArray(T**& arr, int nRows);

int main(int argc, const char* argv[])
{
	int** arr = NULL;
	Make2DArray(arr, ROW, COL);
	Delete2DArray(arr, ROW);

	system("pause");
	return 0;
}

template <typename T>
void Make2DArray(T**& arr, int nRows, int nCols)
{
	arr = new T*[nRows];
	for (int i=0; i<nRows; ++i)
	{
		*(arr+i) = new T[nCols];
	}
}

template <typename T>
void Delete2DArray(T**& arr, int nRows)
{
	for (int i=0; i<nRows; ++i)
	{
		delete [] *(arr+i);
	}
	delete [] arr;
	arr = NULL;
}