Repositórios - Neps

#include <bits/stdc++.h>

#define TAM 200010
#define endl << '\n'
#define SYNC ios::sync_with_stdio(0);
#define $ << ' ' <<

using namespace std;

int main()
{
  SYNC

  map<int, int> net, comp, out;
  int n, c;
  cin >> c >> n;
  int id, vs;
  while (c--) {
    cin >> id >> vs;
    comp[id] = vs;
  }
  while (n--) {
    cin >> id >> vs;
    net[id] = max(net[id], vs);
  }
  for (auto a : net) {
    if (comp.find(a.first) != comp.end()) {
        if (comp[a.first] < a.second){
            cout << a.first << ' ' << a.second << '\n';
        }
    } else {
        cout << a.first $ a.second endl;
    }
  }
//  for (auto a : out) {
//    cout << a.first << ' ' << a.second << '\n';
//  }


  return 0;
}