Lista

#include <bits/stdc++.h>
using namespace std;
 
typedef long long ll;

int cnts[101];

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);

    int n,m;
    cin >> n >> m;
    for (int i = 0; i < m; i++) {
        int x;
        cin >> x;
        cnts[x]++;
    }
    vector<pair<int,int>> v;
    for (int i = 1; i <= n; i++) {
        v.push_back({cnts[i], i});
    }
    sort(v.rbegin(), v.rend());
    int ans = 0;
    for (int i = 0; i < n; i++) {
        ans += (i+1) * v[i].first;
    }
    cout << ans << "\n";
    for (auto p : v) {
        cout << p.second << " ";
    }
    cout << "\n";
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED