molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:22:13: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare]
22 | if(l<= sum and sum <= u){
| ~^~~~~~
molecules.cpp:22:28: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'int' [-Wsign-compare]
22 | if(l<= sum and sum <= u){
| ~~~~^~~~
molecules.cpp:28:16: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'int' [-Wsign-compare]
28 | if(sum > u){
| ~~~~^~~
molecules.cpp:34:9: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare]
34 | if(l<= sum and sum <= u){
| ~^~~~~~
molecules.cpp:34:24: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'int' [-Wsign-compare]
34 | if(l<= sum and sum <= u){
| ~~~~^~~~