Compilare: user.cpp: In function 'int main()': user.cpp:87: warning: unused variable 'x' user.cpp:87: warning: unused variable 'y' user.cpp: In function 'int cmp(Puncte, Puncte)': user.cpp:36: warning: control reaches end of non-void function user.cpp: In function 'int main()': user.cpp:49: warning: 'j' may be used uninitialized in this function user.cpp:87: warning: 'y0' may be used uninitialized in this function