molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:10:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
10 | for (int i = 0; i < w.size(); i++) {
| ~~^~~~~~~~~~
molecules.cpp:11:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
11 | while (cur < l && ptr < w.size()) cur += w[order[ptr]], ptr++;
| ~~~~^~~~~~~~~~