Submission #532335

#	Time	Username	Problem	Language	Result	Execution time	Memory
532335		Alex_tz307	Job Scheduling (CEOI12_jobs)	C++17	0 / 100	172 ms	17588 KiB

jobs

#include <bits/stdc++.h>
 
using namespace std;
 
const int kN = 1e5;
const int kM = 1e6;
int n, d, m, dq[kM];
pair<int, int> a[kM];
vector<int> sol[1 + kN];
 
/*
8 2 12
1 2 4 2 1 3 5 6 2 3 6 4
*/
 
bool check(int k, bool ok = false) {
  int l = 0, r = -1;
  for (int i = 0; i < k; ++i) {
    dq[++r] = 0;
  }
  for (int i = 0; i < m; ++i) {
    int t = dq[l++];
    if (t > a[i].first + d) {
      return false;
    }
    dq[++r] = max(a[i].first + 1, t + 1);
    if (ok) {
      sol[dq[r] - 1].emplace_back(a[i].second + 1);
    }
  }
  return true;
}
 
void testCase() {
  cin >> n >> d >> m;
  for (int i = 0; i < m; ++i) {
    cin >> a[i].first;
    a[i].second = i;
  }
  sort(a, a + m);
  int l = 1, r = m;
  while (l <= r) {
    int mid = (l + r) / 2;
    if (check(mid)) {
      r = mid - 1;
    } else {
      l = mid + 1;
    }
  }
  cout << l << '\n';
  check(l, true);
  for (int i = 1; i <= n; ++i) {
    sol[i].emplace_back(0);
    for (int x : sol[i]) {
      cout << x << ' ';
    }
    cout << '\n';
  }
}
 
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(nullptr);
  int tests = 1;
  for (int tc = 0; tc < tests; ++tc) {
    testCase();
  }
  return 0;
}

• Subtask 1: 0 / 100