#include <iostream> #include <iomanip> #include <vector> using namespace std; int main() { int N; cin >> N; vector<int> scores(N); int total = 0; for (int i = 0; i < N; ++i) { cin >> scores[i]; total += scores[i]; } cout << total << endl; cout << fixed << setprecision(2) << (double)total / N << endl; for (int i = 0; i < N - 1; ++i) { for (int j = 0; j < N - i - 1; ++j) { if (scores[j] < scores[j + 1]) { swap(scores[j], scores[j + 1]); } } } for (int i = 0; i < N; ++i) { cout << scores[i]; if (i < N - 1) cout << " "; } return 0; }