VECTOR_basic.cpp

#include <iostream>
#include <bits/algorithmfwd.h>
#include <bits/stdc++.h>
using namespace std;
int main()
{
    vector<int> v;
    int i;
    cout<<"Vector_SIZE_original/initial:"<<v.size()<<endl;//initially the size of vector is =? FIND OUT.
    for(int i=0;i<5;i++)
    {
        v.push_back(i);//push back function is used to insert elements into vector
    }
    cout<<"Vector_SIZE_EXTENDED:"<<v.size()<<endl;//Vectors differ from array on that they are dynamically sized so here it is to be seen size of vector changes to no. of values inputted.
    vector<int>::iterator c= v.begin();//an iterator, moving/iterating over the vector from begining to the end of the vector to show the values stored in it.
    while(c!=v.end())
    {
        cout<<"value of v="<< *c<<endl;
        c++;
    }


    return 0;
}