auto.cpp

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
#include <iostream>
#include <vector>
using namespace std;

int main() {
    double x;
    x = 3.5;
    double x1{3.5};

    auto y = 3.5;

    cout << y << endl;

    vector<double> w{.3, 4., 5};

    auto w1 = w;

    for (int i=0; i < w.size(); i++) {
        cout << w[i] << endl;
    }

    // w.begin() and w.end() must exist

    for (auto wel : w) {
        cout << wel << endl;
    }

}