Compilare: main.cpp: In function 'bool verifcare(std::string, std::string)': main.cpp:15:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 15 | for(int i=0; i<a.size(); i++) { | ~^~~~~~~~~ main.cpp:20:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 20 | if(j==b.size()) { | ~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:45:23: 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] 45 | for(int i=0; i<lol.size(); i++) { | ~^~~~~~~~~~~ main.cpp:47:27: 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] 47 | for(int j=0; j<lol.size()&&ok==1; j++) { | ~^~~~~~~~~~~