Submission #831782

#	Time	Username	Problem	Language	Result	Execution time	Memory
831782		WLZ	Garden (JOI23_garden)	C++17	30 / 100	3078 ms	55424 KiB

garden

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

const int INF = 0x3f3f3f3f;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n, m, d; cin >> n >> m >> d;
  vector<int> p(n), q(n), r(m), s(m);
  vector<int> cnt_a(d, 0);
  for (int i = 0; i < n; i++) cin >> p[i] >> q[i], cnt_a[p[i]]++;
  vector< vector<int> > s2(d, vector<int>());
  for (int i = 0; i < m; i++) cin >> r[i] >> s[i], s2[r[i]].push_back(s[i]);
  int ans = INF;
  for (int x1 = 0; x1 < d; x1++) {
    int cnt_1 = 0;
    multiset<int> st, st_diff;
    for (int i = 0; i < n; i++) st.insert(q[i]);
    for (int i = 0; i < m; i++) st.insert(s[i]);
    for (auto it = next(st.begin()); it != st.end(); it++) st_diff.insert(*it - *prev(it));
    if ((int) st.size() >= 2) st_diff.insert(*st.begin() + d - *st.rbegin());
    for (int x2 = x1; x2 < x1 + d; x2++) {
      cnt_1 += cnt_a[x2 % d];
      for (auto &s : s2[x2 % d]) {
        auto it = st.find(s);
        if ((int) st.size() > 2) {
          auto prv = prev(it), nxt = next(it);
          if (it == st.begin()) prv = prev(st.end());
          if (nxt == st.end()) nxt = st.begin();
          st_diff.erase(st_diff.find(((*it - *prv) % d + d) % d));
          st_diff.erase(st_diff.find(((*nxt - *it) % d + d) % d));
          st_diff.insert(((*nxt - *prv) % d + d) % d);
          st.erase(it);
        }
      }
      if (cnt_1 < n) continue;
      if ((int) st.size() < 2) ans = min(ans, x2 - x1 + 1);
      else ans = min(ans, (x2 - x1 + 1) * (d - *st_diff.rbegin() + 1));
    }
  }
  cout << ans << '\n';
  return 0;
}

• Subtask 1: 0 / 15
• Subtask 2: 6 / 6
• Subtask 3: 8 / 8
• Subtask 4: 16 / 16
• Subtask 5: 0 / 30
• Subtask 6: 0 / 25