#include "bits/stdc++.h" using namespace std; #include "molecules.h" vector<int> find_subset(int l,int u,vector<int> w){ int n=w.size(); int s=0; for(int i=0,j=0;j<n;j++){ s+=w[r]; while(s>u){ s-=w[i]; i++; } if(s<=u && s>=l){ vector<int> ans; for(int k=i;k<=r;k++)ans.push_back(k); return ans; } } return {}; }

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:9:14: error: 'r' was not declared in this scope
    9 |         s+=w[r];
      |              ^
molecules.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
molecules_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~