function n = p01_n ( )

%*****************************************************************************80
%
%% p01_n() returns the number of variables N for problem 1.
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    15 April 2012
%
%  Author:
%
%    John Burkardt
%
%  Output:
%
%    integer N, the number of variables.
%
  n = 3;

  return
end
