Submission #1165404

#	Time	Username	Problem	Language	Result	Execution time	Memory
1165404		kunzaZa183	Detecting Molecules (IOI16_molecules)	C++20	100 / 100	34 ms	4028 KiB

molecules

#include "molecules.h"

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

vector<int> find_subset(int l, int u, vector<int> w) {
  vector<pair<int, int>> vi;
  for (int i = 0; i < w.size(); i++) vi.emplace_back(w[i], i);
  sort(vi.begin(), vi.end());

  int l2 = 0, r = 0;
  long long sum = 0;
  while (l2 < vi.size()) {
    // cout << l2 << " " << r << " " << sum << "\n";
    if (sum < l) {
      if (r >= vi.size()) break;
      sum += vi[r].first;
      r++;
    } else if (sum > u) {
      sum -= vi[l2].first;
      l2++;
    } else {
      vector<int> ans(r - l2);
      for (int i = l2; i < r; i++) ans[i - l2] = vi[i].second;
      return ans;
    }
  }

  return vector<int>();
}

Compilation message (stderr)

molecules.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
molecules_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~

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