Compilare: main.cpp: In function 'int Get(std::__cxx11::string)': main.cpp:19:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<a.length(); i++) ~^~~~~~~~~~~ main.cpp:23:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int main()': main.cpp:38:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=l; i<initial.length(); i++) ~^~~~~~~~~~~~~~~~~ main.cpp:49:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<moment.length(); i++) ~^~~~~~~~~~~~~~~~