답안 #711422

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
711422 2023-03-16T22:54:19 Z narvalo Job Scheduling (CEOI12_jobs) C++17
100 / 100
333 ms 20428 KB
#include <bits/stdc++.h>

using namespace std;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n, d, m;
  cin >> n >> d >> m;
  vector<int> a(m);
  for (int i = 0; i < m; i++) {
    cin >> a[i];
    --a[i];
  }
  vector<int> order(m);
  iota(order.begin(), order.end(), 0);
  sort(order.begin(), order.end(), [&](int i, int j) {
    return a[i] < a[j];
  });

  vector<vector<int>> days(n);

  auto Can = [&](int machines) {
    for (int i = 0; i < n; i++) {
      days[i].clear();
    }
    int day = 0;
    int emptyMachines = machines;
    for (int id = 0; id < m; id++) {
      int cur = a[order[id]];
      if (cur > day) {
        day = cur;
        emptyMachines = machines;
      } else if (cur + d < day) {
        return false;
      }
      days[day].push_back(order[id]);
      if (--emptyMachines == 0) {
        day++;
        emptyMachines = machines;
      }
    }
    return true;
  };

  int low = 1, high = 1000000000;
  while (low <= high) {
    int mid = low + (high - low) / 2;
    if (Can(mid)) {
      high = mid - 1;
    } else {
      low = mid + 1;
    }
  }

  Can(high + 1);

  cout << high + 1 << '\n';
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < (int) days[i].size(); j++) {
      if (j > 0) {
        cout << " ";
      }
      cout << 1 + days[i][j];
    }
    if ((int) days[i].size() > 0) {
      cout << " ";
    }
    cout << "0\n";
  }
  return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 27 ms 3020 KB Output is correct
2 Correct 29 ms 2972 KB Output is correct
3 Correct 30 ms 3012 KB Output is correct
4 Correct 28 ms 2956 KB Output is correct
5 Correct 29 ms 2972 KB Output is correct
6 Correct 28 ms 3028 KB Output is correct
7 Correct 29 ms 2960 KB Output is correct
8 Correct 28 ms 2948 KB Output is correct
9 Correct 35 ms 5016 KB Output is correct
10 Correct 37 ms 4980 KB Output is correct
11 Correct 34 ms 2412 KB Output is correct
12 Correct 67 ms 4484 KB Output is correct
13 Correct 108 ms 6884 KB Output is correct
14 Correct 154 ms 9284 KB Output is correct
15 Correct 170 ms 10572 KB Output is correct
16 Correct 227 ms 13396 KB Output is correct
17 Correct 265 ms 16640 KB Output is correct
18 Correct 265 ms 16684 KB Output is correct
19 Correct 333 ms 20428 KB Output is correct
20 Correct 264 ms 16648 KB Output is correct