Submission #507573

# Submission time Handle Problem Language Result Execution time Memory
507573 2022-01-12T18:29:48 Z Christopher_ Job Scheduling (CEOI12_jobs) C++17
100 / 100
228 ms 13764 KB
/**
 *    author:  lani
 *    created: 12.01.2022 20:57:54
**/
#include <bits/stdc++.h>

using namespace std;

#ifdef DEBUG
  #include "debug.hpp"
#else
  #define dbg(...) void(37)
#endif

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n, d, m;
  cin >> n >> d >> m;
  vector<pair<int,int>> a(m);
  for (int i = 0; i < m; ++i) {
    cin >> a[i].first;
    a[i].second = i;
  }
  sort(a.begin(), a.end());
  auto Check = [&](int k) {
    int day = 1, work = 0;
    for (int i = 0; i < m; ++i) {
      if (a[i].first > day) {
        day = a[i].first;
        work = 1;
      } else if (a[i].first + d < day) {
        return false;
      } else {
        ++work;
      }
      if (work >= k) {
        work = 0;
        ++day;
      }
    }
    return true;
  };
  int ans = (int) 1e6;
  int low = 0, high = (int) 1e7;
  while (low <= high) {
    int mid = (low + high) >> 1;
    if (Check(mid)) {
      high = mid - 1;
      ans = mid;
    } else {
      low = mid + 1;
    }
  }
  cout << ans << '\n';
  dbg();
  int work = 0;
  for (int i = 0; i < n; ++i) {
    int cnt = 0;
    while (work < m && cnt < ans && a[work].first <= i + 1) {
      cout << a[work].second + 1 << ' ';
      ++work;
      ++cnt;
    }
    cout << "0\n";
  }
}
# Verdict Execution time Memory Grader output
1 Correct 18 ms 1612 KB Output is correct
2 Correct 20 ms 1676 KB Output is correct
3 Correct 18 ms 1644 KB Output is correct
4 Correct 18 ms 1612 KB Output is correct
5 Correct 17 ms 1612 KB Output is correct
6 Correct 19 ms 1604 KB Output is correct
7 Correct 18 ms 1628 KB Output is correct
8 Correct 18 ms 1692 KB Output is correct
9 Correct 27 ms 1856 KB Output is correct
10 Correct 31 ms 1868 KB Output is correct
11 Correct 24 ms 1624 KB Output is correct
12 Correct 50 ms 3052 KB Output is correct
13 Correct 74 ms 4580 KB Output is correct
14 Correct 106 ms 6084 KB Output is correct
15 Correct 132 ms 7548 KB Output is correct
16 Correct 169 ms 9028 KB Output is correct
17 Correct 196 ms 10564 KB Output is correct
18 Correct 202 ms 12072 KB Output is correct
19 Correct 228 ms 13764 KB Output is correct
20 Correct 182 ms 10520 KB Output is correct