TheAlgorithms-C-Plus-Plus/Others/GCD_of_n_numbers.cpp

//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;
}