/in/foo.cc: In function 'int main()':
/in/foo.cc:8:27: warning: too many arguments for format [-Wformat-extra-args]
     scanf("&f,&f,&f",x,y,z); 
                           ^
/in/foo.cc:8:28: warning: 'x' is used uninitialized in this function [-Wuninitialized]
     scanf("&f,&f,&f",x,y,z); 
                            ^
/in/foo.cc:8:28: warning: 'y' is used uninitialized in this function [-Wuninitialized]
/in/foo.cc:8:28: warning: 'z' is used uninitialized in this function [-Wuninitialized]