molecules.cpp:3:17: error: 's' is not a namespace-name
3 | using namespace s td;
| ^
molecules.cpp:3:24: error: expected ';' before 'td'
3 | using namespace s td;
| ^~~
| ;
molecules.cpp:3:25: error: 'td' does not name a type; did you mean 'tm'?
3 | using namespace s td;
| ^~
| tm
molecules.cpp:9:1: error: 'vector' does not name a type
9 | vector<int> find_subset(int l, int u, vector<int> w) {
| ^~~~~~
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
| ^~~~