vector.cpp

#include<bits/stdc++.h>
using namespace std;
signed main() {
std::ios::sync_with_stdio(false);
std::cin.tie(nullptr); std::cout.tie(nullptr);

// <<<<<<<<<<<<-------------------VECTOR is dynamicArray inC++--------------------->>>>>>>>>>>>>    

/*  vector <int> v;
    v.push_back(1);
    v.emplace_back(2);
    //<<<<<<<<<<----------emplace_back is faster than push_back------------->>>>>>>>>>>>>>>>>

    cout << v[0] << " " << v[1] << endl;
*/

/*
    //<<<<<<<<---------contains five instances of 100------->>>>>>>
    vector <int> v(5,100);
    cout << v[0] << " " << v[1] << " " << v[2] << " " << v[3] << " " << v[4] << endl;
*/

/*
    //<<<<<<<<<<<--------Stores 0-------->>>>>>>>>>
   vector <int> v(5);
   cout << v[0] << " " << v[1] << " " << v[2] << " " << v[3] << " " << v[4] << endl;
*/
/*
    vector <int> v1(5,20);
    vector <int> v(v1);
    cout << v[0] << " " << v[1] << " " << v[2] << " " << v[3] << " " << v[4] << endl;
*/

return 0;
}