/in/foo.cc: In function 'int main()':
/in/foo.cc:6:34: warning: unknown conversion type character '.' in format [-Wformat=]
  scanf("%.lf%.lf%.lf", &a, &m, &k);
                                  ^
/in/foo.cc:6:34: warning: unknown conversion type character '.' in format [-Wformat=]
/in/foo.cc:6:34: warning: unknown conversion type character '.' in format [-Wformat=]
/in/foo.cc:6:34: warning: too many arguments for format [-Wformat-extra-args]