Lista

#include <bits/stdc++.h>

using namespace std;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int n, m;
    cin >> n >> m;
    vector<int> counts(n);
    for (int i = 0; i < m; ++i) {
        int a;
        cin >> a;
        counts[a]++;
    }
    multimap<int, int> solution;
    for (int i = 1; i <= n; ++i) {
        solution.insert({-counts[i], i});
    }
    long sum = 0;
    vector<int> result;
    for (int i = 0; i < n; ++i) {
        sum -= (i + 1) * solution.begin()->first;
        result.push_back(solution.begin()->second);
        solution.erase(solution.begin());
    }
    cout << sum << "\n";
    for (int i = 0; i < n; ++i) {
        cout << result[i] << " ";
    }
    cout << "\n";
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED