//#pragma GCC optimize("O3") #include <bits/stdc++.h> #include "molecules.h" using namespace std; vector<int>find_subset(int left,int right,vector<int>nums) { vector<int>prefs(nums.size()+1,0),ans; for(int i=0;i<nums.size();i++) { prefs[i+1]=prefs[i]+nums[i]; } for(int i=0;i<nums.size();i++) { for(int j=i+1;j<nums.size();j++) { if(prefs[j]-prefs[i-1]>=left && prefs[j]-prefs[i-1]<=right) { for(int k=i;k<=j;k++) { ans.pb(nums[k]); } break; } } if(ans.size()!=0) { break; } } return ans; }

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:20:25: error: 'class std::vector<int>' has no member named 'pb'
   20 |                     ans.pb(nums[k]);
      |                         ^~
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
      |         ^~~~