Compilare: user.cpp: In function ‘int scaderex(punct&)’: user.cpp:29: warning: no return statement in function returning non-void user.cpp: In function ‘int scaderey(punct&)’: user.cpp:33: warning: no return statement in function returning non-void user.cpp: In function ‘int main()’: user.cpp:126: warning: operation on ‘x’ may be undefined user.cpp:139: warning: operation on ‘y’ may be undefined user.cpp: In function ‘int det_simetrie()’: user.cpp:58: warning: control reaches end of non-void function