Compilare: main.cpp: In function 'void getlcp(std::string)': main.cpp:17:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | for ( int i = 1; i < w.length(); ++i ) { | ~~^~~~~~~~~~~~ main.cpp:21:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 21 | while ( i + lcp[i] < w.length() && w[lcp[i]] == w[i + lcp[i]] ) { | ~~~~~~~~~~~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:39:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | for ( int i = 0; i < s.length(); ++i ) { | ~~^~~~~~~~~~~~