Compilare: main.cpp: In function 'int cmp(const std::string&, const std::string&, int)': main.cpp:23:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 23 | while (i < T.size() && j < P.size() && T[i] == P[j]) { | ~~^~~~~~~~~~ main.cpp:23:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 23 | while (i < T.size() && j < P.size() && T[i] == P[j]) { | ~~^~~~~~~~~~ main.cpp:27:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | if (j == P.size()) | ~~^~~~~~~~~~~ main.cpp:30:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | if (i == T.size()) | ~~^~~~~~~~~~~