Submission #104879

#	Time	Username	Problem	Language	Result	Execution time	Memory
104879		daili	Job Scheduling (CEOI12_jobs)	C++14	100 / 100	352 ms	14028 KiB

jobs

#include <bits/stdc++.h>

using namespace std;

bool check(int x, int n, vector<pair<int,int>> &allJobs, bool finall, int m, int d)
{
	int ptr = 1;
	for(int i = 1; i <= n;i++)
	{
      int ct = 0;
      while(ptr <= m && allJobs[ptr].first <= i && ct < x)
      {
          if(allJobs[ptr].first + d >= i)
          {
              ptr++;
          }
          else
          {
              return false;
          }
          if(finall)
          {
              cout << allJobs[ptr-1].second << " ";
          }
          ct++;
      }
      if(finall)
      {
          cout << 0 << "\n";
      }
	}
	if(ptr <= m)
	{
    return false;
  }
	return true;
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    int n, d, m;
    cin >> n >> d >> m;

    vector<pair<int,int>> allJobs;
    allJobs.push_back({0, 0});
    for (int i = 0; i < m; i++)
    {
        int x;
        cin >> x;
        allJobs.push_back({x, i+1});
    }

    sort(allJobs.begin(), allJobs.end());

    int left = 1;
    int right = m;

    while(left < right)
    {
        int mid = (left + right) >> 1;

        if (check(mid, n, allJobs, 0, m, d))
        {
            right = mid;
        }
        else
        {
            left = mid + 1;
        }
    }
    cout << left << "\n";
    auto z = check(left, n, allJobs, 1, m, d);
}

Compilation message (stderr)

jobs.cpp: In function 'int main()':
jobs.cpp:75:10: warning: unused variable 'z' [-Wunused-variable]
     auto z = check(left, n, allJobs, 1, m, d);
          ^

• Subtask 1: 100 / 100