/in/foo.cc: In function 'int main()':
/in/foo.cc:8:22: warning: too many arguments for format [-Wformat-extra-args]
  printf("%d %d",x,y,z);
                      ^
/in/foo.cc:8:23: warning: 'z' is used uninitialized in this function [-Wuninitialized]
  printf("%d %d",x,y,z);
                       ^