molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:10:30: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
10 | for( long long i=0; i<w.size(); i++){
| ~^~~~~~~~~
molecules.cpp:13:30: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
13 | for( long long i=0; i<w.size()-1; i++){
| ~^~~~~~~~~~~
molecules.cpp:14:36: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
14 | for( long long j=i+1; j<w.size(); j++){
| ~^~~~~~~~~
molecules.cpp:30:25: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
30 | if(s<l && ph<w.size()-1){
| ~~^~~~~~~~~~~
molecules.cpp:38:24: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
38 | else if( ph==w.size()-1 && (s>u || s<l)){
| ~~^~~~~~~~~~~~