//逆置单链表,原地操作,只需要遍历一遍 private ListNode reverse(ListNode head) { ListNode pre = null; ListNode cur = head; while(cur!=null) { ListNode next = cur.next; cur.next = pre; pre = cur; cur = next; } return pre; }
原地逆置列表reverseList
时间: 2024-10-03 21:54:34
//逆置单链表,原地操作,只需要遍历一遍 private ListNode reverse(ListNode head) { ListNode pre = null; ListNode cur = head; while(cur!=null) { ListNode next = cur.next; cur.next = pre; pre = cur; cur = next; } return pre; }
原地逆置列表reverseList