molecules.cpp: In function 'bool dp(int, int)':
molecules.cpp:14:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
14 | for(int i = id; i < arr.size(); i++){
| ~~^~~~~~~~~~~~
molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:25:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
25 | for(int i = 0; i < w.size(); i++) arr.push_back({w[i], i});
| ~~^~~~~~~~~~