#include <vector>

#include <iterator>

#include <algorithm>

#include <functional>

using namespace std;

​

int main(void)

{

    vector<int> vc = {20, 40, 10, 30};  // vector 객체의 선언 및 초기화 

​

    sort(vc.begin(), vc.end(), greater<int>());

    copy(vc.begin(), vc.end(), ostream_iterator<int>(cout, " "));

    cout << endl;

    sort(vc.begin(), vc.end(), less<int>());

    copy(vc.begin(), vc.end(), ostream_iterator<int>(cout, " "));

    return 0;

}