Compilare: main.cpp: In function 'std::pair<int, std::array<int, 1000> > strmatch(const std::string&, const std::string&)': main.cpp:23:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 23 | for (int i = 1, k = -1; i < a.size(); ++i) { | ~~^~~~~~~~~~ main.cpp:40:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | for (int i = 0, q = -1; i < b.size(); ++i) { | ~~^~~~~~~~~~ main.cpp:53:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 53 | if (q + 1 == a.size()) { | ~~~~~~^~~~~~~~~~~