Compilare: user.cpp:140:2: warning: no newline at end of file user.cpp: In function 'int main()': user.cpp:93: warning: 'min_negv' may be used uninitialized in this function user.cpp:93: warning: 'max_negv' may be used uninitialized in this function user.cpp:93: warning: 'min_posv' may be used uninitialized in this function user.cpp:93: warning: 'max_posv' may be used uninitialized in this function