Compilare: main.cpp: In function 'bool subsir(std::string, std::string)': main.cpp:11:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 11 | for(int i = 0; i < mare.size() && j < mic.size(); i++){ | ~~^~~~~~~~~~~~~ main.cpp:11:41: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 11 | for(int i = 0; i < mare.size() && j < mic.size(); i++){ | ~~^~~~~~~~~~~~ main.cpp:17:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | return j >= mic.size(); | ~~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:51:37: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | for(int i = 0, flag, aux; i < v.size(); i++){ | ~~^~~~~~~~~~ main.cpp:54:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 54 | for(int j = 0; j < v.size() && !flag; j++) | ~~^~~~~~~~~~ main.cpp:51:30: warning: unused variable 'aux' [-Wunused-variable] 51 | for(int i = 0, flag, aux; i < v.size(); i++){ | ^~~