example2_selective_importing.cpp

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#include <iostream>
#include <vector>
#include <algorithm>

using std::cout;
using std::endl;
using std::vector;

int main() {
    cout << "Demonstrating using declarations" << endl;
    
    vector<int> numbers = {5, 2, 8, 1, 9};
    std::sort(numbers.begin(), numbers.end());
    
    for (int num : numbers) {
        cout << num << " ";
    }
    cout << endl;
    
    return 0;
}