Compilare: main.cpp: In function 'void kmp(std::string)': main.cpp:14:22: 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 < s.size(); ++i) { | ~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:35:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 35 | for(int i = a.size() + 1; i < s.size(); ++i) | ~~^~~~~~~~~~ main.cpp:36:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 36 | if(lps[i] == a.size()) | ~~~~~~~^~~~~~~~~~~