Compilare: main.cpp: In function 'void KMP(int, int)': main.cpp:32:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 32 | for (int i = 2; i < s.size(); i++) | ~~^~~~~~~~~~ main.cpp:42:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | if (pi == cuvinte[cuv1].size()) | ~~~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'std::string Solve(int, int)': main.cpp:55:65: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 55 | for (int i = cuvinte[nod].size() - last[bit][nod].second; i < cuvinte[nod].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~