제출 #1271040

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1271040		ramzialoulou	Job Scheduling (CEOI12_jobs)	C++20	100 / 100	234 ms	13912 KiB

jobs

#include <bits/stdc++.h>

using namespace std;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  int n, d, m;
  cin >> n >> d >> m;
  vector<pair<int, int>> a(m);
  for (int i = 0; i < m; i++) {
    int x;
    cin >> x;
    a[i] = {x, i};
  }
  sort(a.begin(), a.end());
  auto check = [&](int k) {
    queue<int> q;
    int i = 0;
    for (int day = 1; day <= n; day++) {
      while (i < m && a[i].first == day) {
        q.push(a[i++].first);
      }
      for (int j = 0; j < k; j++) {
        if (q.empty()) {
          break;
        }
        if (day - q.front() > d) {
          return 0;
        }
        q.pop();
      }
    }
    return 1;
  };
  int lo = 1, hi = m;
  while (lo <= hi) {
    int mid = (lo + hi) >> 1;
    if (check(mid)) {
      hi = mid - 1;
    } else {
      lo = mid + 1;
    }
  }
  cout << hi + 1 << '\n';
  queue<int> q;
  int i = 0;
  for (int day = 1; day <= n; day++) {
    while (i < m && a[i].first == day) {
      q.push(a[i++].second);
    }
    for (int j = 0; j < hi + 1; j++) {
      if (q.empty()) {
        break;
      }
      cout << q.front() + 1 << ' ';
      q.pop();
    }
    cout << 0 << '\n';
  }
  return 0;
}

• Subtask 1: 100 / 100