Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list. For example,Given 1->2->3->3->4->4->5, return 1->2->5.Given 1->1->1->2->3, return 2->3.…

Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list. Example 1: Input: 1->2->3->3->4->4->5 Output: 1->2->5 Example 2: Input: 1->1->1->2->3 Outpu…

Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list. For example,Given 1->2->3->3->4->4->5, return 1->2->5.Given 1->1->1->2->3, return 2->3.…

Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list. For example,Given 1->2->3->3->4->4->5, return 1->2->5.Given 1->1->1->2->3, return 2->3.…

题目描述: 中文: 给定一个排序链表,删除所有含有重复数字的节点,只保留原始链表中 没有重复出现 的数字. 示例 1: 输入: 1->2->3->3->4->4->5输出: 1->2->5 示例 2: 输入: 1->1->1->2->3输出: 2->3 英文: Given a sorted linked list, delete all nodes that have duplicate numbers, leaving onl…

Given a sorted array nums, remove the duplicates in-place such that duplicates appeared at most twice and return the new length.Do not allocate extra space for another array, you must do this by modifying the input array in-place with O(1) extra memo…

class Solution { public: int removeDuplicates(int A[], int n) { ],*e=&A[]; //s指向“连续数字”的第一个,e往后遍历相同的 ,j=n; ;i<n;i++){ e++; ) ){ //新的数字,直接加复制到s处 if(*s==*e) flag=; else flag=; s++; *s=*e; } else j--; } return j; } }; 题意:提供一个整型数组,和该数组内有n个元素,数组已经有序.相同的数…

Given a sorted linked list, delete all duplicates such that each element appear only once. For example,Given1->1->2, return1->2.Given1->1->2->3->3, return1->2->3. 思路:遍历链表.比较相邻的结点,若是有相等的情况,则cur不动,而将其后继从其next变为next->next:没有,则正常…

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. 移除有序链表中的重复项需要定义个指针指向该链表的第一个元素,然后第一个元素和第二个元素比较,如果重复了,则删掉第二个元素,…

Given a sorted linked list, delete all duplicates such that each element appear only once. Example 1: Input: 1->1->2 Output: 1->2 Example 2: Input: 1->1->2->3->3 Output: 1->2->3 这道题让我们移除给定有序链表的重复项,那么可以遍历这个链表,每个结点和其后面的结点比较,如果结点值相…

题目链接: https://leetcode.com/problems/remove-duplicates-from-sorted-array/?tab=Description   从有序数组中移除重复数字,并且返回不重复数字的个数   遍历操作: 可以使用新的for循环 for (int n : nums){}   每次进行对比,并且更新第一个遇到不相等的元素的下标为i 对数组进行重新赋值操作   当数组长度大于1时,ans初值为1,当数组长度为0时,返回0   参考代码 :   packag…

Given a sorted array, remove the duplicates in place such that each element appear only once and return the new length. Do not allocate extra space for another array, you must do this in place with constant memory. For example,Given input array A =[1…

2.1 Write code to remove duplicates from an unsorted linked list.FOLLOW UPHow would you solve this problem if a temporary buffer is not allowed? 这道题让我们移除无序链表中的重复项,在LeetCode中有两道类似的题是Remove Duplicates from Sorted List 移除有序链表中的重复项 和 Remove Duplicates fr…

https://leetcode.com/problems/remove-duplicates-from-sorted-array-ii/discuss/27976/3-6-easy-lines-C%2B%2B-Java-Python-Ruby 描述 Follow up for "Remove Duplicates":What if duplicates are allowed at most twice? For example,Given sorted array A = [1,1…

Remove Duplicates from Sorted List II Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list. For example,Given 1->2->3->3->4->4->5, return 1->2->5.Given 1->…

本文始发于个人公众号:TechFlow,原创不易,求个关注 今天是LeetCode专题的第51篇文章,我们来看LeetCode第82题,删除有序链表中的重复元素II(Remove Duplicates from Sorted List II). 这题官方给出的难度是Medium,点赞1636,反对107,通过率在36.3%左右.根据我们之前的分析,这题的难度适中,并且质量很高,好评如潮.实际上也的确如此,这题算法本身并不难,但是想要完整没有bug地实现并不容易,我们一起来看看. 题意 给定一个有…

Follow up for "Remove Duplicates":What if duplicates are allowed at most twice? For example,Given sorted array A = [1,1,1,2,2,3], Your function should return length = 5, and A is now [1,1,2,2,3]. 这道题是之前那道Remove Duplicates from Sorted Array 有序数组中…

题目 Follow up for "Remove Duplicates": What if duplicates are allowed at most twice? For example, Given sorted array A = [1,1,1,2,2,3], Your function should return length = 5, and A is now [1,1,2,2,3]. 原题链接(点我) 解题思路 移除数组中反复次数超过2次以上出现的数,可是能够同意反复2次…

Given a sorted array nums, remove the duplicates in-place such that duplicates appeared at most twice and return the new length. Do not allocate extra space for another array, you must do this by modifying the input array in-place with O(1) extra mem…

题目: Follow up for "Remove Duplicates":What if duplicates are allowed at most twice? For example,Given sorted array A = [1,1,1,2,2,3], Your function should return length = 5, and A is now [1,1,2,2,3]. Tag: Array; Two Pointers 体会: 继续是quicksort中par…

Follow up for "Remove Duplicates":What if duplicates are allowed at most twice? For example,Given sorted array A =[1,1,1,2,2,3], Your function should return length =5, and A is now[1,1,2,2,3]. 题意:可以保留一个重复的元素. 思路:第一种是和Remove duplicates from sorte…

描述 Given a sorted linked list, delete all duplicates such that each element appear only once. Example 1: Input: 1->1->2Output: 1->2Example 2: Input: 1->1->2->3->3Output: 1->2->3 有序链表去重. 解析 移除给定有序链表的重复项,那么我们可以遍历这个链表,每个结点和其后面的结点比较…

Follow up for "Remove Duplicates":What if duplicates are allowed at most twice? For example,Given sorted array nums = [1,1,1,2,2,3], Your function should return length = 5, with the first five elements of nums being 1, 1, 2, 2 and 3. It doesn't…

原题地址:https://oj.leetcode.com/problems/remove-duplicates-from-sorted-array-ii/ 题意: Follow up for "Remove Duplicates":What if duplicates are allowed at most twice? For example,Given sorted array A = [1,1,1,2,2,3], Your function should return lengt…

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. 题目标签:Linked List 题目给了我们一个 list,让我们去除中间的重复项. 设一个 cursor = head…

Follow up for "Search in Rotated Sorted Array":What if duplicates are allowed? Would this affect the run-time complexity? How and why? Write a function to determine if a given target is in the array. 这道是之前那道Search in Rotated Sorted Array 在旋转有序数组…

Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list. For example, Given 1->2->3->3->4->4->5, return 1->2->5. Given 1->1->1->2->3, return 2->3…

原题地址:https://oj.leetcode.com/problems/remove-duplicates-from-sorted-list-ii/ 题意: Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list. For example,Given 1->2->3->3->4-&g…

Given a sorted linked list, delete all duplicates such that each element appear only once. Example 1: Input: 1->1->2 Output: 1->2 Example 2: Input: 1->1->2->3->3 Output: 1->2->3 思路 对于链表类的题目主要考的是指针的操作,他需要对指针的指向节点有正确的操作.这道题我们可以使用从…

Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list. For example, Given 1->2->3->3->4->4->5, return 1->2->5. Given 1->1->1->2->3, return 2->3…