代码(Python3) # Definition for singly-linked list. # class ListNode: # def __init__(self, val=0, next=None): # self.val = val # self.next = next class Solution: def mergeTwoLists(self, list1: Optional[ListNode], list2: Optional[ListNode]) -> Optional[ListNode]: # 使用一个哨兵...
next return head # 将链表转化为数组的函数,不需要改动 def ll_to_list(head): list = [] while head: list.append(head.val) head = head.next return list class Solution: def mergeTwoLists(self, head1, head2): if not head1: # 如果head1为空,直接返回head2 return head2 if not head2:...
We can also use itertools.chain() method to merge two or more lists in python. For this, we will pass the lists as arguments to itertools.chain() method and the method returns an iterable containing all the elements of the lists to be merged which can be further converted into a list ...
Learn how to merge k sorted lists in Python effectively using various techniques and algorithms. Enhance your coding skills with practical examples.
以下是Python代码,并有测试过程。 #coding:utf-8#Definition for singly-linked list.classListNode(object):def__init__(self, x): self.val=x self.next=NoneclassSolution(object):defmergeTwoLists(self, l1, l2):""":type l1: ListNode :type l2: ListNode ...
'apple' confirming that they point to the same object print 'Copy by making a full slice' mylist = shoplist[:] # make a copy by doing a full slice del mylist[0] # remove first item print 'shoplist is', shoplist print 'mylist is', mylist # notice that now the two lists are ...
21. Merge Two Sorted Lists (python) Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists. Example: Input:1->2->4, 1->3->4Output:1->1->2->3->4->4...
Previous:Write a Python program to remove the last N number of elements from a given list. Next:Write a Python program to add a number to each element in a given list of numbers. What is the difficulty level of this exercise? EasyMediumHard ...
In this article, we learned to combine multiple lists into a list of a tuple in Python by using several built-in functions such aszip(),map(),lambda,enumerate,append()etc and we used some simple algorithms as well. We discussed that all these methods can merge two or more lists but so...
Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists. Example: 代码: 递归版: 非递归版: ...[LeetCode] 21. Merge Two Sorted Lists* 原题链接: https://leetcode.com/problems/merge-two-sorted-list...