#include "molecules.h"
#include<bits/stdc++.h>
using namespace std;
#ifdef ONPC
#include"debug.h"
#else
#define debug(...) 42
#endif
#define endl '\n'
#define ll long long
#define pii pair<int,int>
#define F first
#define S second
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) a.begin(),a.end()
template<class T> bool ckmin(T& a, const T& b) { return b < a ? a = b, 1 : 0; }
template<class T> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; }
const int mod = 1e9 + 7;
const int MAXN = 1e6 + 15;
const int inf = 0x3f3f3f3f;
const ll INF = 0x3f3f3f3f3f3f3f3f;
vector<int> find_subset(int l, int u, vector<int> w) {
sort(all(w));
deque<int> dq;
int cur = 0;
bool ok = 0;
for (int i = 0; i < sz(w) && !ok; i++){
if (cur + w[i] <= u) {
dq.pb(i);
cur += w[i];
}
else if (sz(dq)){
cur -= w[dq.front()];
dq.pop_front();
dq.pb(i);
cur += w[i];
}
ok |= (cur >= l && cur <= u);
}
vector<int> ans;
if (ok){
for (auto it : dq) ans.pb(it);
}
return ans;
}
