Compilare: main.cpp: In function 'bool subsir(std::string, std::string)': main.cpp:9:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 9 | for(int k=0;k<mare.size();++k) | ~^~~~~~~~~~~~ main.cpp:14:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 14 | if(ind==mic.size()) | ~~~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:31:36: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 31 | if(x.size()>lmax) | ~~~~~~~~^~~~~ main.cpp:36:41: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 36 | else if(x.size()==lmax) | ~~~~~~~~^~~~~~ main.cpp:52:30: 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] 52 | for(int i=0;i<cuv.size();++i) | ~^~~~~~~~~~~ main.cpp:55:38: 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] 55 | for(int j=0;j<cuv.size();++j) | ~^~~~~~~~~~~