代码:oj测试通过 Runtime: 65 ms 1#Definition for singly-linked list.2#class ListNode:3#def __init__(self, x):4#self.val = x5#self.next = None67classSolution:8#@param head, a ListNode9#@param m, an integer10#@param n, an integer11#@return a ListNode12defreverseBetween(self, head...
(参考视频讲解:Leetcode力扣|206反转链表|递归|reverse linked list_哔哩哔哩_bilibili) # 定义一个链表节点类classListNode:def__init__(self,val=0,next=None):# 初始化函数self.val=val# 节点的值self.next=next# 指向下一个节点的指针# 将给出的数组转换为链表deflinkedlist(list):head=ListNode(list[0]...
publicListNodereverseList(ListNode head){ListNodeprev=null;ListNodecurr=head;while(curr !=null) {ListNodenextTemp=curr.next; curr.next = prev; prev = curr; curr = nextTemp; }returnprev; } 二刷,python。 # Definition for singly-linked list.# class ListNode(object):# def __init__(self, x...
【一】Python学习笔记--List list Python内置的一种数据类型是列表:list。 list是一种有序的集合,可以随时添加和删除其中的元素。 是由一系列按特定顺序排列的元素组成 ,鉴于列表通常包含多个元素,给列表指定一个表… 化境大自在打开知乎App 在「我的页」右上角打开扫一扫 其他扫码方式:微信 下载知乎App 开通机构...
链接:https://leetcode-cn.com/problems/reverse-linked-list https://leetcode-cn.com/problems/reverse-linked-list/solution/shi-pin-jiang-jie-die-dai-he-di-gui-hen-hswxy/ python # 反转单链表 迭代或递归 class ListNode: def __init__(self, val): ...
LeetCode 206. 反转链表(Reverse Linked List) 示例: 输入:1->2->3->4->5->NULL输出:5->4->3->2->1->NULL 切题 一、Clarification 只需注意为空链表的情况 二、Possible Solution 1、迭代 2、递归 可利用哨兵简化实现难度 Python3 实现
Leetcode260反转链表(java/c++/python) JAVA: class Solution { public ListNode reverseList(ListNode head) { if( head == null || head.next == null) return head; ListNode newHead = reverseList(head.next); head.next.next = head; head.next = null; return newHead; } } C++: class Solution...
Reverse a linked list from position m to n. Do it in-place and in one-pass. For example: Given 1->2->3->4->5->NULL, m = 2 and n = 4, return 1->4->3->2->5->NULL. Note: Given m, n satisfy the following condition: ...
Python List reverse() 与list[::-1] 2019-07-19 20:08 −... lililili—— 0 435 [Algorithm] 206. Reverse Linked List 2019-12-06 23:13 −Reverse a singly linked list. Example: Input: 1->2->3->4->5->NULL Output: 5->4->3->2->1->NULL Follow up: A linked list... ...
python reverse 和reversed 区别 2020-07-06 22:11 −... 肆意风华 0 2834 [Algorithm] 206. Reverse Linked List 2019-12-06 23:13 −Reverse a singly linked list. Example: Input: 1->2->3->4->5->NULL Output: 5->4->3->2->1->NULL Follow up: A linked list... ...