bool operator== (const Array &a)
			{for (int i=0;i<arsize;i++)
				{if (arr[i]!=a.arr[i]) {return false;}}
			return true;}
			
		bool operator!= (const Array &a)
			{for (int i=0;i<arsize;i++)
				{if (arr[i]==a.arr[i]) {return false;}}
			return true;}
			
		int& operator[] (int index)
			{return arr[index];}
			
		Array& operator = (const Array &a){	
			arsize = a.arsize;	
			delete arr;
        	arr = new int[arsize];
			set(a);}