#include<bits/stdc++.h> #define ll long long #define f first #define s second using namespace std; const int maxn = 2e5+10; int[] find_subset(int l, int u, int[] w) { vector<int> dumb; int n=sizeof(w)/sizeof(w[0]); for(int i=0;i<n;i++) { dumb.push_back(w[i]); } sort(dumb.begin(),dumb.end()); int ll=0,r=0; ll sum=w[0]; int cntr=2*n+1; while(cntr) { cntr--; if(l<=sum && sum<=u) { ///answer int arr[r-ll+1]; for(int i=ll;i<=r;i++) arr[i-ll]=i; return arr; } if(sum<l) { if(r==n-1) return {}; r++; sum+=w[r]; continue; } if(sum>u) { if(ll==n-1) return {}; sum-=w[ll]; ll++; } } }

molecules.c:1:9: fatal error: bits/stdc++.h: No such file or directory
    1 | #include<bits/stdc++.h>
      |         ^~~~~~~~~~~~~~~
compilation terminated.
molecules.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
molecules.h:3:10: fatal error: vector: No such file or directory
    3 | #include <vector>
      |          ^~~~~~~~
compilation terminated.
molecules_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~