Compilare: main.cpp: In function 'int main()': main.cpp:35:22: 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(j = 0; j < word.size(); j++) | ~~^~~~~~~~~~~~~ main.cpp:47:17: warning: 'curstate' may be used uninitialized in this function [-Wmaybe-uninitialized] 47 | fail[i] = -1; | ~~~~~~~~^~~~