#include <iostream>
#include <algorithm>
#include <iterator>

using namespace std;

int main()
{
    int a[]{10, 48, 57, 23, -1, 12};

    cout << "Is sorted? " << boolalpha << is_sorted(begin(a), end(a)) << endl;
    sort(begin(a), end(a));
    for(auto v : a)
        cout << v << '\n';

    return 0;
}