#include "bits/stdc++.h"
#include "molecules.h"
#define F0R(i,n) for(auto i = 0; i < (n); i++)
#define FOR(i,a,b) for(auto i = (a); i <= (b); i++)
#define ROF(i,a,b) for(auto i = (a); i >= (b); i--)
#define pb push_back
#define vi vector<int>
#define pii pair<int,int>
#define F first
#define S second
#define ll long long
using namespace std;
vi find_subset(int l,int u,vi w) {
vector<pii> a;
int n = w.size();
F0R(i,n) {
a.pb(make_pair(w[i],i));
}
sort(a.rbegin(),a.rend());
int li = 0; int sum = 0;
F0R(i,n) {
sum += a[i].F;
if(sum >= l && sum <= u) {
vi ans;
FOR(j,li,i) ans.pb(a[j].S+1);
return ans;
}
while(sum > u && li <= i) {
sum -= a[li++].F;
}
}
return {};
}
