........
f1=fopen();
f2=fopen();//after this f1 points to nowhere
........

#include <iostream>
//-------------------------------------------------------   
class cGrid
{
  public:
     cGrid(int _r, int _c)   //Constructor
       :R(_r),C(_c)//Initialize dimensions
     {
        Template=new char*[R];
        for (int i=0; i<R; ++i)
        {
          Templat

class object
{
    public:
       object::object(int v1,double v2,int v3):val1(v1),val2(v2),val3(v3){} //constructor 
       int val1;
       double val2;
       int val3;   //class fields
};

#include "stdafx.h"
using namespace std;
//---------------------------------------------------------------------------

<spoonfeeding code removed>