#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;
}
4