Compilare: main.cpp: In function 'int main()': main.cpp:42:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | while(i < s.length()){ | ~~^~~~~~~~~~~~ main.cpp:47:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 47 | if(j == p.length()){ | ~~^~~~~~~~~~~~~