Compilare: user.cpp:63:2: warning: no newline at end of file user.cpp: In function 'void rez()': user.cpp:46: warning: format '%d' expects type 'int', but argument 3 has type 'long int' user.cpp:24: warning: unused variable 'aux' user.cpp:24: warning: 'y' may be used uninitialized in this function user.cpp:24: warning: 'x' may be used uninitialized in this function