#include <iostream.h>
#include <conio.h>

template <typename T>

T sumAll(T *first, T *last)
{
	T tong=0,a[last-first+1];
	for (int i=0; i<last-first+1; i++)
	{
		a[i] = *(first+i);	
		tong = tong + a[i];
	}		
	return tong;
}

void sumInts(int *first, int *last)
{
	sumAll(first , last);
}

main()
{
	int n;
	cout<<"Can nhap bao nhieu phan tu cua mang:  ";	cin>>n;

	int i;
	int a[n];
	cout<<"Nhap mang:  ";
	for (i=0; i<n; i++)
		cin>>a[i];
	cout<<"\nTong cac phan tu cua mang :  "<<sumInts(&a[0],&a[n-1]);	

	
	getch ();	
}