Submission #515133

#	Time	Username	Problem	Language	Result	Execution time	Memory
515133		mzh	Job Scheduling (CEOI12_jobs)	C++17	0 / 100	688 ms	34872 KiB

jobs

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

int main() {
#ifdef LOCAL
  freopen("input.in", "r", stdin);
#endif
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  int n, d, m;
  cin >> n >> d >> m;
  vector<pair<int, int>> t(m);
  for (int i = 0; i < m; i++) {
    cin >> t[i].first;
    t[i].second = i;
  }
  sort(t.begin(), t.end());
  vector<int> res;
  int l = 0, r = m;
  while (l + 1 < r) {
    int mid = l + (r - l) / 2;
    vector<int> cur;
    multiset<int> st;
    for (int i = 0; i < mid; i++) {
      st.insert(0);
    }
    bool ok = true;
    for (int i = 0; i < n; i++) {
      auto ub = st.upper_bound(t[i].first + d);
      if (ub == st.end()) {
        ub--;
      }
      if (ub != st.begin()) {
        ub--;
        st.erase(ub);
        st.insert(max(*ub, t[i].first) + 1);
      } else {
        ok = false;
        break;
      }
    }
    (ok ? r : l) = mid;
  }
  cout << r << '\n';
  for (int i = 0; i < m; i++) {
    cout << t[i].second + 1 << ' ';
    if (i == n - 1 || (i && (i + 1) % r == 0)) {
      cout << "0\n";
    }
  }
  for (int i = 0; i < n - (m + r - 1) / r; i++) {
    cout << "0\n";
  }
}

• Subtask 1: 0 / 100