#ifndef _ARRAY_H

#define _ARRAY_H

template <class Type>
class Array
{
  private:
    Type *arr;
    int len;

  public:
    Array(void) {arr=0;len=0;}
    Array(int i) {arr=new Type[i]; len=i;}
    Array(const Array & a) {len=a.len; arr=new Type[len]; for(int i=0; i<len; i++) arr[i]=a.arr[i];}
    ~Array(void) {if(arr) delete [] arr;}

    int size(void) {return len;}
    int resize(int j) {Type *a=arr,*b=new Type[j];int max = (j<len) ? j : len; for(int i=0; i<max; i++) b[i]=a[i]; delete [] a; arr=b; len=j;}

    virtual Type & operator[](int i) {if(i<0 || i>=len)  {cerr << "Array index " << i << " out of bounds.\n";exit(1);} return arr[i];}
    virtual Array & operator=(const Array & a) {if(arr) delete arr;  len=a.len;arr=new Type[len];for(int i=0; i<len; i++) arr[i]=a.arr[i]; return *this;}
};

#endif