Submission #504238

#	Time	Username	Problem	Language	Result	Execution time	Memory
504238		erke	Preokret (COCI18_preokret)	C++11	50 / 50	1 ms	336 KiB

preokret

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

typedef long long ll;

signed main() {
  cin.tie(0)->sync_with_stdio(0);
  int n; cin >> n;
  vector<int> cnt_a(2881), cnt_b(2881);
  for (int i = 0; i < n; i++) {
    int x; cin >> x;
    cnt_a[x]++;
  }
  int m; cin >> m;
  for (int i = 0; i < m; i++) {
    int x; cin >> x;
    cnt_b[x]++;
  }
  int res2 = 0;
  vector<int> lost_a(2881), lost_b(2881);
  for (int i = 1; i <= 2880; i++) {
    cnt_a[i] += cnt_a[i - 1];
    cnt_b[i] += cnt_b[i - 1];
    if (cnt_a[i] == cnt_b[i]) {
      lost_a[i] = lost_a[i - 1];
      lost_b[i] = lost_b[i - 1];
    }
    else {
      lost_a[i] = (cnt_a[i] < cnt_b[i]);
      lost_b[i] = (cnt_b[i] < cnt_a[i]);
    }
    if (lost_a[i - 1] && cnt_a[i] > cnt_b[i]) res2++;
    if (lost_b[i - 1] && cnt_b[i] > cnt_a[i]) res2++;
  }
  int res1 = cnt_a[1440] + cnt_b[1440];
  cout << res1 << '\n' << res2 << '\n';
}

• Subtask 1: 50 / 50