Compilare: main.cpp: In function 'long long int Get_Cost_2(std::__cxx11::string)': main.cpp:64:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int main()': main.cpp:127:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<muchii.size(); i++) ~^~~~~~~~~~~~~~