1.建立两个有序得链表（带表头，用头插法）； //2.写一算法在单链表上实现线性表的ListLength(L)运算。 写一算法将单链表中值重复的结点删除，使所得的结果表中各结点值均不相同。 -1. The establishment of two ordered lists too (with header, with the first interpolation) // 2. To write a method to achieve a single linked linear