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#include <iostream>
#include <vector>
using namespace std;

int main()
{
   // Create a vector to store int
   vector<int> vec; 
   int i;

   // Display the original size of vec
   cout << "vector size = " << vec.size() << endl;

   // Push 5 values into the vector
   for(i = 0; i < 5; i++){
      vec.push_back(i);
   }

   // Display the extended size of vec
   cout << "extended vector size = " << vec.size() << endl;

   // Access 5 values in the vector
   for(i = 0; i < 5; i++){
      cout << "value of vec [" << i << "] = " << vec[i] << endl;
   }

   // Use iterator to access the values
   vector<int>::iterator v = vec.begin();
   while( v != vec.end()) {
      cout << "value of v = " << *v << endl;
      v++;
   }

   return 0;
}

vector size = 0
extended vector size = 5
value of vec [0] = 0
value of vec [1] = 1
value of vec [2] = 2
value of vec [3] = 3
value of vec [4] = 4
value of v = 0
value of v = 1
value of v = 2
value of v = 3
value of v = 4