Compilare: user.cpp:42:2: warning: no newline at end of file user.cpp: In function 'int main()': user.cpp:33: warning: operation on 'lx' may be undefined user.cpp:33: warning: operation on 'lx' may be undefined user.cpp:35: warning: operation on 'lx' may be undefined user.cpp:35: warning: operation on 'lx' may be undefined user.cpp:37: warning: operation on 'lx' may be undefined user.cpp:37: warning: operation on 'lx' may be undefined user.cpp:39: warning: operation on 'lx' may be undefined user.cpp:39: warning: operation on 'lx' may be undefined /tmp/ccVYu3nw.o: In function `main': user.cpp:(.text+0x56): warning: the `gets' function is dangerous and should not be used.