Compilare: main.cpp: In function 'void compute(std::__cxx11::string)': main.cpp:27:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 2;i <= cuv.length();++i) ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int KMP(std::__cxx11::string, std::__cxx11::string)': main.cpp:40:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1;i <= cuv2.length();++i) ~~^~~~~~~~~~~~~~~~ main.cpp:46:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(q == cuv1.length() - 1) ~~^~~~~~~~~~~~~~~~~~~~