Compilare: user.cpp: In function ‘int main()’: user.cpp:106:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v.size(); ++ i) ^ user.cpp: In function ‘int DoCaz1(int, int, int, int, int)’: user.cpp:46:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int DoCaz2(int, int, int, int, int)’: user.cpp:79:1: warning: control reaches end of non-void function [-Wreturn-type] } ^