#include "molecules.h" #include <bits/stdc++.h> std::vector<int> find_subset(int l, int u, std::vector<int> w) { using namespace std; int n = w.size(); vector<int> nope; for (int i = 0;i < n;i++) { if (l <= w[i] && w[i] <= u) { return {i}; } } // all element outside [l,r] vector<pair<int,int>> v; for (int i = 0; i < n;i++) { if (w[i] < l) v.push_back({w[i],i}); } if (v.size() <= 1) return nope; // v.size() >= 2 sort(v.begin(),v.end()); int flag0 = v[0].first + v[v.size() - 1].first; if (l <= flag0 && flag0 <= u) { return {v[0].second,v[v.size() - 1].second}; } int sum = 0; for (auto i : v) sum += i.first; if (l <= sum && sum <= u) { vector<int> result; for (int i = 0; i < v.size();i++) { result.push_back(v[i].second); } return result; } else if (sum < l) return nope; sum = 0; //sort(v.rbegin(),v.rend()); reverse(v.begin(),v.end()); vector<int> res; for (int i = 0; i < n;i++) { int now = sum + v[i].first; if (now > u) continue; sum += v[i].first; res.pb(v[i].second); if (l <= sum && sum <= u) return res; } return {0}; }

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:42:13: error: 'class std::vector<int>' has no member named 'pb'
   42 |         res.pb(v[i].second);
      |             ^~
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
      |         ^~~~