Lista

input/code.cpp: In function 'int main()':
input/code.cpp:28:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |   for (int i = 0; i < v.size(); ++i) {
      |                   ~~^~~~~~~~~~

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

const int N = 101;
int num[N];

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

  int n, m;
  cin >> n >> m;

  for (int i = 0; i < m; ++i) {
    int x;
    cin >> x;
    ++num[x];
  }
  vector<pair<int, int>> v;
  for (int i = 1; i <= n; ++i) {
    if (num[i] > 0) v.push_back({-num[i], i});
  };

  sort(v.begin(), v.end());

  int sum = 0;
  for (int i = 0; i < v.size(); ++i) {
    auto p = v[i];
    sum += -p.first * (i + 1);
  }

  cout << sum << endl;
  for (auto p : v) cout << p.second << " ";
  for (int i = 1; i <= n; ++i) {
    if (num[i] == 0) cout << i << " ";
  }
  cout << endl;
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED