Compilare: user.cpp: In function `int main()': user.cpp:16: warning: char format, different type arg (arg 2) user.cpp:22: warning: char format, different type arg (arg 2) user.cpp:31: warning: converting to `long int' from `float' user.cpp: In function `void Lee()': user.cpp:38: warning: `int x' might be used uninitialized in this function user.cpp:38: warning: `int y' might be used uninitialized in this function