process
begin
	for i in 0 to n-1 loop
		for j in 0 to i-1 loop
			wait for 25*2 ps;
		end loop;
		x(i) <= '1';
		for j in 0 to i-1 loop
			wait for 50 ps;
		end loop;
		x(i) <= '0';
	end loop;
end process;