Compilare: main.cpp: In function 'void hs(std::string, int)': main.cpp:12:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 12 | for(int i = 0; i < s.size(); i++) | ~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:44:18: warning: unused variable 'j' [-Wunused-variable] 44 | int n, m, i, j, rez, st, dr, mij, t; | ^