題目: LEETCODE。 Given a singly linked list?L:?L0→L1→…→Ln-1→Ln,reorder it to:?L0→Ln→L1→Ln-1→L2→Ln-2→… You must do this in-place without altering the nodes' values. For example, Given?{1,2,3,4}, reorder it to?{1,4,2
Remove all elements from a linked list of integers that have valueval. ExampleGiven:1 --> 2 --> 6 --> 3 --> 4 --> 5 --> 6,val= 6Return:1 --> 2 --> 3 --> 4 --> 5 题解:链表的操作有两个常用的技巧:第一就是用递归