#include "molecules.h" using namespace std; bool cmp(pair<int, int> x, pair<int, int> y){ return x.first < y.first; } vector<int> find_subset(int l, int u, vector<int> w) { int i, j, k, n = w.size(); pair<int, int> p[n+1]; p[0].first = 0; for( i = 1; i <= n; i++) p[i].first = w[i-1], p[i].second = i-1; sort(p+1, p+n+1, cmp); for( i = 1; i <= n; i++) p[i].first += p[i-1].first; for( i = 1; i <= n; i++) if(p[i].first <= u && p[n].first-p[n-i].first >= l) break; vector<int> ans; if(i > n) return ans; k = p[i].first; for( j = 1; j <= i; j++) ans.push_back(p[j].second); j = 1; while(k < l){ k -= p[j].first-p[j-1].first; k += p[n+1-j].first-p[n-j].first; ans[j-1] = p[n+1-j].second; j++; } return ans; }

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:13:2: error: 'sort' was not declared in this scope; did you mean 'short'?
   13 |  sort(p+1, p+n+1, cmp);
      |  ^~~~
      |  short
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
      |         ^~~~