Submission #757771

#	Time	Username	Problem	Language	Result	Execution time	Memory
757771		taher	Detecting Molecules (IOI16_molecules)	C++17	100 / 100	61 ms	5540 KiB

molecules

#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
#include "C:\GCC\debug.h"
#else
#define debug(...) void(42)
#endif

vector<int> find_subset(int l, int u, vector<int> w) {
  int n = (int) w.size();
  cin >> n >> l >> u;
  vector<pair<int, int>> a(n);
  for (int i = 0 ; i < n ; i++) {
    a[i].first = w[i];
    a[i].second = i;
  }
  sort(a.begin(), a.end());
  auto Exit = [&](int left, int right, int m) {
    vector<int> res;
    for (int i = left; i < right; i++) {
      res.push_back(a[i].second);
    }
    return res;
  };
  int left = 0;
  long long sum = 0; 
  for (int i = 0; i < n; i++) {
    sum += 1ll * a[i].first;
    while (sum > u) {
      sum -= a[left++].first;
    }
    if (sum >= l && sum <= u) {
      return Exit(left, i + 1, i + 1 - left);
    }
  }
  if (sum >= l && sum <= u) {
    return Exit(left, n, n - left);
  }
  vector<int> empt;
  return empt;
}

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