代码:oj测试通过 Runtime: 178 ms 1#Definition for a binary tree node2#class TreeNode:3#def __init__(self, x):4#self.val = x5#self.left = None6#self.right = None7#8#Definition for singly-linked list.9#class ListNode:10#def __init__(self, x):11#self.val = x12#self.next =...
Convert Sorted Array to Binary Search Tree && Convert Sorted List to Binary Sear 算法很简单,递归的方法,类似快排,因为数组随机访问很快,所以第一题很简单。但是linkedlist就比较麻烦了。我想了一个比较山寨的方法,先遍历一遍,把所有的ListNode都放到一个数组里,然后再用第一题对数组的代码= =不知道大家又...
代码 # Definition for singly-linked list.# class ListNode(object):# def __init__(self, x):# self.val = x# self.next = None# Definition for a binary tree node.# class TreeNode(object):# def __init__(self, x):# self.val = x# self.left = None# self.right = NoneclassSolutio...
09 Convert Binary Number in a Linked List to Integer 题目Given head which is a reference node to a singly-linked list. The value of each node in the linked list is either 0 or 1. The linked list holds the binary representation of a number. Return the dec......
:type head: ListNode :rtype: TreeNode """ ifhead: pre=None slow=fast=head whilefastandfast.next: pre=slow slow=slow.next fast=fast.next.next root=TreeNode(slow.val) ifpre: pre.next=None root.left=self.sortedListToBST(head)
LeetCode 1290. Convert Binary Number in a Linked List to Integer 2019-12-16 16:19 −[题目](https://leetcode.com/problems/convert-binary-number-in-a-linked-list-to-integer/) ``` /** * Definition for singly-linked list. * struct ListNode ... ...
Convert Binary Number in a Linked List to Integer 2019-12-16 16:19 − [题目](https://leetcode.com/problems/convert-binary-number-in-a-linked-list-to-integer/) ``` /** * Definition for singly-linked list. * struct ListNode ... Shendu.CC 0 177 Java 异常 Failed to convert ...
#Definition for singly-linked list.#class ListNode:#def __init__(self, x):#self.val = x#self.next = NoneclassSolution:#@param head, a list node#@return a tree nodedefsortedArrayToBST(self, array): length=len(array)iflength==0:returnNoneiflength==1:returnTreeNode(array[0]) ...
classSolution:defgetDecimalValue(self, head: ListNode) ->int: answer=0whilehead: answer= 2*answer +head.val head=head.nextreturnanswer Runtime:24 ms, faster than94.07% of Python3 online submissions for Convert Binary Number in a Linked List to Integer. ...
Convert Binary Number in a Linked List to Integer 2019-12-16 16:19 − [题目](https://leetcode.com/problems/convert-binary-number-in-a-linked-list-to-integer/) ``` /** * Definition for singly-linked list. * struct ListNode {... Shendu.CC 0 177 [LeetCode]1290. Convert ...