#include <iostream>
#include <vector>
 
using namespace std;
 
int main()
{
  int i;
 
  // vectors are data types that allow one to store an array
  // of items, each having the same type (for example, here
  // we create a vector with name v of 10 integers
 
  vector<int> v(10);
 
  // to move through an array, we can access each element by
  // its index, in our case the element with index i is v[i];
  // index starts at 0, so for us the last index is 9 
 
  for (i=0; i<10; i++)
    v[i] = i%8;
 
  // number of elements in a vector is accessed by ".size()" 
  // after the vector's name (this is a function that returns
  // the size of the vector); the elements can be accessed
  // as described above; this prints out the vector (incl. 
  // size)
 
  cout << "vector size: " << v.size() << endl; 
 
  cout << "elements:   ";
  for (i=0; i<10; i++)
    cout << " " << v[i];
  cout << endl;
 
  return 0;
}
 

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