Submission #1018278

#	Time	Username	Problem	Language	Result	Execution time	Memory
1018278		eldorbek_008	Detecting Molecules (IOI16_molecules)	C++17	100 / 100	39 ms	4412 KiB

molecules

#include "molecules.h"
#include <bits/stdc++.h>
 
using namespace std;
 
vector<int> find_subset(int l, int u, vector<int> w) {
  vector<int> ans;
  int n = (int)w.size();
  vector<pair<int, int>> a;
  for (int i = 0; i < n; i++) {
    a.emplace_back(w[i], i);
  }
  sort(a.begin(), a.end());
  int i, j;
  i = j = 0;
  long long sum = 0;
  bool change = false;
  while (i < n && j < n) {
    sum += (change ? 0 : a[j].first);
    if (sum >= l && sum <= u) {
      for (int i_ = i; i_ <= j; i_++) {
        ans.push_back(a[i_].second);
      }
      sort(ans.begin(), ans.end());
      // cout << sum << '\n';
      break;
    } else if (sum < l) {
      j += 1;
      change = false;
    } else {
      sum -= a[i].first;
      i += 1;
      change = true;
    }
  }
  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