Compilare: user.cpp:93:2: warning: no newline at end of file user.cpp: In function 'int main()': user.cpp:72: warning: unused variable 'poz' user.cpp:72: warning: unused variable 'op' user.cpp: In function 'str query(int, int, int, int, int)': user.cpp:38: warning: 'rs.str::s' may be used uninitialized in this function user.cpp:38: warning: 'rs.str::a' may be used uninitialized in this function user.cpp:38: warning: 'rs.str::b' may be used uninitialized in this function user.cpp:38: warning: 'rs.str::c' may be used uninitialized in this function user.cpp:38: warning: 'rd.str::a' may be used uninitialized in this function user.cpp:38: warning: 'rd.str::s' may be used uninitialized in this function user.cpp:38: warning: 'rd.str::b' may be used uninitialized in this function user.cpp:38: warning: 'rd.str::c' may be used uninitialized in this function