1 /*
2 *
vectorvar.cpp
3 *
4 * Beispiel-Programm std::vector-Variable
5 *
6 * Autor: H.Drachenfels
7 * Erstellt am: 2.8.2019
8 */
9
10 #include <iostream>
11 #include <vector> // alternativ: #include <array>
12
13 int main()
14 {
15 std::vector<int> v(4); // alternativ: std::array<int,4> v;
16 v.at(0) = 3421;
17 v.at(1) = 3442;
18 v.at(2) = 3635;
19 v.at(3) = 3814;
20
21 // print vector values
22 for (unsigned i = 0; i < v.size(); ++i)
23 {
24 std::cout << i << ": " << v[i] << '\n'; // v.operator[](i)
25 }
26
27 // print vector size
28 std::cout << "sizeof v = " << sizeof v << '\n';
29 std::cout << "v.size() = " << v.size() << '\n';
30 }
31