Compilare: main.cpp: In function 'std::vector<int> matching(std::string, std::string)': main.cpp:31:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | for (int i = s.size() + 1; i < c.size(); i ++) | ~~^~~~~~~~~~ main.cpp:33:19: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 33 | if (lg[i] >= s.size())