refer to:https://www.algoexpert.io/questions/Remove%20Duplicates%20From%20Linked%20List Problem Statement Analysis Code #This is an input class. Do not edit.classLinkedList:def__init__(self, value): self.value=value self.next=NonedefremoveDuplicatesFromLinkedList(linkedList): currentNode=linkedList...
1/**2* Definition for singly-linked list.3* public class ListNode {4* int val;5* ListNode next;6* ListNode(int x) { val = x; }7* }8*/9publicclassSolution {10/**11*@paramhead a ListNode12*@paramval an integer13*@returna ListNode14*/15publicListNode removeElements(ListNode head,i...
Given1->1->1->2->3, return2->3. 非经常规的解法。为去除头节点的特殊性,须要用到虚拟头结点技术。 ListNode*deleteDuplicates(ListNode*head){if(!head)returnNULL;ListNode*dummyHead=newListNode(0);dummyHead->next=head;ListNode*prev=dummyHead,*curr=head->next;intcurVal=head->val;while(curr){i...
第一次使用list的remove()方法删除,结果在第161个用例时,超时。后来看了这篇博客,了解Python中list的底层是如何实现的,改用list.pop()方法删除,就不超时了,不过时间上还是较慢。 Python代码如下: classSolution(object): defremoveDuplicates(self,nums): """ :type nums: List[int] :rtype: ...
* Definition for singly-linked list. * struct ListNode { * int val; * struct ListNode *next; * }; */structListNode{intval;structListNode*next;};#include<stdlib.h>structListNode*deleteDuplicates(structListNode*head){structListNode*r=head,*pre=NULL;while(head){if(pre&&head->val==pre->val)...
image.png 要注意的问题:因为可能head也需要被删掉,所以需要一个dummy节点。 /** * Definition for singly-linked list. * struct ListNode { * int val; * ListNode *next; * ListNode(int x) : val(x), next(NULL) {} * }; */classSolution{public:ListNode*deleteDuplicates(ListNode*head){if(head...
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Given a sorted linked list, delete all duplicates such that each element appear only once. For example, Given 1->1->2, return 1->2. Given 1->1->2->3->3, return 1->2->3. 题意:对给定的排好序的链表,删除重复的元素,只留下出现一次的元素 ...
82. Remove Duplicates from Sorted List II Given a sorted linked list, delete all nodes that have duplicate numbers, leaving onlydistinctnumbers from the original list. Example 1: Input:1->2->3->3->4->4->5Output:1->2->5 Example 2: ...
In Excel 2003 and earlier versions, you can use an Advanced Filter to remove duplicates. In Excel 2007, there’s a new command on the Ribbon to make it easier to remove duplicates from a list. MY LATEST VIDEOS Be careful with the Excel 2007 Remove Duplicates feature though – it really ...