#include "molecules.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> find_subset(int L, int U, vector<int> W) {
vector<array<int, 2>> A; for (int i = 0; i < (int)W.size(); i++) A.push_back({W[i], i});
sort(A.begin(), A.end());
deque<int> dq;
int N = (int)W.size();
int LP = 0, RP = 0;
int64_t sum = 0;
vector<int> res;
while (RP < N) {
if (sum + A[RP][0] < L) {
sum += A[RP][0], dq.push_back(A[RP++][1]);
} else if (sum + A[RP][0] >= L && sum + A[RP][0] <= U) {
sum += A[RP][0], dq.push_back(A[RP++][1]);
for (auto &d : dq) res.push_back(d);
break;
} else {
while (sum + A[RP][0] > U && LP <= RP)
sum -= A[LP++][0], dq.pop_front();
if (sum + A[RP][0] > U) break;
}
}
return res;
}
