对内存中给定的几个无符号字节数，求其最大值和最小值并在数码管上显示。-Memory in a given number of unsigned bytes, find the maximum and minimum values shown in the digital control.

1、最大间隙问题： 给定个n个实数x1,x2,…,xn，求这n个实数在实轴上相邻2个数之间的最大差值。 -1, the maximum gap problem: given a n a real number x1, x2, ..., xn, find the n real numbers in the real axis between two adjacent maximum difference.