Submission #651358

#	Time	Username	Problem	Language	Result	Execution time	Memory
651358		ayalla	Detecting Molecules (IOI16_molecules)	C++14	100 / 100	54 ms	8252 KiB

molecules

#include "molecules.h"
#include <bits/stdc++.h>
using namespace std;

#define ll long long int

vector<int> find_subset(int l, int u, vector<int> w)
{
  int n = w.size();
  vector<pair<ll, int>> s;
  for (int i = 0; i < n; i++)
    s.push_back({w[i], i});
  sort(s.begin(), s.end());
  vector<bool> vis(n, 0);
  vector<int> ans;
  ll sum = 0, j = 0;
  for (int i = 0; i < n; i++)
  {
    while (j < n && sum < l)
    {
      sum += s[j].first;
      vis[s[j].second] = 1;
      j++;
    }
    if (sum >= l && sum <= u)
    {
      for (int i = 0; i < n; i++)
      {
        if (vis[i])
          ans.push_back(i);
      }
      break;
    }
    sum -= s[i].first;
    vis[s[i].second] = 0;
  }
  return ans;
}

• Subtask 1: 9 / 9
• Subtask 2: 10 / 10
• Subtask 3: 12 / 12
• Subtask 4: 15 / 15
• Subtask 5: 23 / 23
• Subtask 6: 31 / 31