//This program aims at calculating the GCD of n numbers by division method
#include <iostream>
using namepsace std;
int main()
{
cout <<"Enter value of n:"<<endl;
cin >> n;
int a[n];
int i,j,gcd;
cout << "Enter the n numbers:" << endl;
for(i=0;i<n;i++)
cin >> a[i];
j=1; //to access all elements of the array starting from 1
gcd=a[0];
while(j<n)
{
if(a[j]%gcd==0) //value of gcd is as needed so far
j++; //so we check for next element
else
gcd=a[j]%gcd; //calculating GCD by division method
}
cout << "GCD of entered n numbers:" << gcd;
}