molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:5:14: error: 'pair' was not declared in this scope; did you mean 'std::pair'?
5 | std::vector<pair<int, int>> t;
| ^~~~
| std::pair
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
from /usr/include/c++/10/vector:60,
from molecules.h:3,
from molecules.cpp:1:
/usr/include/c++/10/bits/stl_pair.h:211:12: note: 'std::pair' declared here
211 | struct pair
| ^~~~
molecules.cpp:5:27: error: template argument 1 is invalid
5 | std::vector<pair<int, int>> t;
| ^~
molecules.cpp:5:27: error: template argument 2 is invalid
molecules.cpp:7:32: error: request for member 'emplace_back' in 't', which is of non-class type 'int'
7 | for (int i = 0; i < n; ++i) t.emplace_back(w[i], i);
| ^~~~~~~~~~~~
molecules.cpp:8:9: error: request for member 'begin' in 't', which is of non-class type 'int'
8 | sort(t.begin(), t.end());
| ^~~~~
molecules.cpp:8:20: error: request for member 'end' in 't', which is of non-class type 'int'
8 | sort(t.begin(), t.end());
| ^~~
molecules.cpp:8:2: error: 'sort' was not declared in this scope; did you mean 'short'?
8 | sort(t.begin(), t.end());
| ^~~~
| short
molecules.cpp:11:18: error: invalid types 'int[long long int]' for array subscript
11 | if (hi<n) s+=t[hi++].first;
| ^
molecules.cpp:13:31: error: invalid types 'int[long long int]' for array subscript
13 | } else if (s>u && lo<n) s-=t[lo++].first;
| ^
molecules.cpp:15:49: error: invalid types 'int[int]' for array subscript
15 | for (int i = lo; i < hi; ++i) ans.push_back(t[i].second);
| ^