molecules.cpp: In function 'std::vector<int> find_subset(int32_t, int32_t, std::vector<int>)':
molecules.cpp:11:20: warning: comparison of integer expressions of different signedness: 'int64_t' {aka 'long int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
11 | for (int i = 0; i < ww.size(); i++)
| ~~^~~~~~~~~~~
molecules.cpp:16:11: warning: comparison of integer expressions of different signedness: 'int64_t' {aka 'long int'} and 'std::vector<std::array<long int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
16 | while (r < w.size())
| ~~^~~~~~~~~~