Compilare: user.cpp:36:2: warning: no newline at end of file user.cpp: In function 'int main()': user.cpp:7: warning: 'suma' may be used uninitialized in this function user.cpp:7: warning: 'z' may be used uninitialized in this function user.cpp:7: warning: 'y' may be used uninitialized in this function user.cpp:7: warning: 'x' may be used uninitialized in this function