Compilare: user.cpp: In member function ‘int Truck::getNrT() const’: user.cpp:18:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<st.size();i++) { ^ user.cpp: In function ‘int main()’: user.cpp:19:25: warning: ‘mock.Truck::capacity’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(s==0 && st[i] > capacity) ^ user.cpp:50:11: note: ‘mock.Truck::capacity’ was declared here Truck mock; ^