// Contoh Bab 07: vector yang ukurannya berubah.
//
// Compile:  g++ -std=c++17 -O2 -o vektor exercises/07/02-vector.cpp
// Jalankan: ./vektor

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

int main() {
    vector<int> v;
    v.push_back(10);
    v.push_back(20);
    v.push_back(30);

    cout << v.size() << " " << v[0] << "\n";

    for (int i = 0; i < (int)v.size(); i++) cout << v[i] << " ";
    cout << "\n";

    for (int x : v) cout << x << " ";
    cout << "\n";

    vector<int> w(5, 0);          // lima nol
    vector<int> u = {3, 1, 4};
    cout << w.size() << " " << u[2] << "\n";

    v.clear();
    cout << v.size() << "\n";
    return 0;
}