#include <iostream>
#include <cassert>
#include <vector>
#include <algorithm>  // For find
using namespace std;


int main()
{
  int x[5] = {2, 4, 6, 8, 10};

  vector<int> vector1(&x[0], &x[5]);

  // Search for the first occurrence
  vector<int>::iterator where = find(vector1.begin(), vector1.end(), 4);


  cout << *where  << endl;
  return 0;
}
