题解 | #反转链表#
反转链表
https://www.nowcoder.com/practice/75e878df47f24fdc9dc3e400ec6058ca
public static ListNode ReverseList(ListNode head) { ListNode cur = head; ListNode pre = null; while(cur != null){ ListNode next = cur.next; cur.next = pre; pre = cur; cur = next; } return pre; }
