Compilare: main.cpp: In function 'int main()': main.cpp:23:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 23 | if (t[k + 1] == t[i] && k < s.size()) k++; | ~~^~~~~~~~~~ main.cpp:30:20: 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 (kmp[i] == s.size()){ | ~~~~~~~^~~~~~~~~~~