Compilare: main.cpp: In function 'std::vector<int> kmp(std::string, std::string)': main.cpp:14:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 14 | for (int i = 1; i < p.size(); i++) { | ~~^~~~~~~~~~ main.cpp: In function 'bool isSubstr(std::string, std::string)': main.cpp:26:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 26 | for (int i = s.size() + 1; i < pi.size(); i++) | ~~^~~~~~~~~~~ main.cpp:27:19: 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] 27 | if (pi[i] == s.size()) main.cpp: In function 'int main()': main.cpp:109:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 109 | for (int i = 1; i < sol.size(); i++) { | ~~^~~~~~~~~~~~