https://leetcode.com/problems/remove-element/ Given an array and a value, remove all instances of that value in place and return the new length. The order of elements can be changed. It doesn't matter what you leave beyond the new length. 思路: 因为可以改变元…

LeetCode第27题 Given an array nums and a value val, remove all instances of that value in-place 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 memory. The…

题目 Given an array and a value, remove all instances of that value in place and return the new length. The order of elements can be changed. It doesn't matter what you leave beyond the new length. 分析 这是一道很简单的题目,对数组进行一次遍历,删除与给定值相等的关键字,返回新长度即可. AC代码 cla…

https://leetcode.com/problems/remove-duplicates-from-sorted-array/ 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…

这是悦乐书的第150次更新,第152篇原创 01 看题和准备 今天介绍的是LeetCode算法题中Easy级别的第9题(顺位题号是27).给定整数数组nums和值val,删除nums中所有的val值,元素顺序可以改变,返回删除val值后数组的长度.不能使用新数组接收数据.例如: 给定数组nums = {3,2,2,3}, val = 3 你的函数应返回length = 2 其中nums的前两个元素为2 给定数组nums = [0,1,2,2,3,0,4,2],val = 2 你的函数应该返回le…

题目: Given an array and a value, remove all instances of that value in place and return the new length. Do not allocate extra space for another array, you must do this in place with constant memory. The order of elements can be changed. It doesn't mat…

https://leetcode.com/problems/remove-duplicates-from-sorted-list/ 题目: 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->…

题目:Given an array and a value, remove all instances of that value in place and return the new length. The order of elements can be changed. It doesn't matter what you leave beyond the new length. 代码: class Solution { public: int removeElement(int A[]…

Given an array and a value, remove all instances of that value in place and return the new length. The order of elements can be changed. It doesn't matter what you leave beyond the new length. ps:这个题目同样是一个双指针的问题,比较简单,代码如下所示 class Solution { public: i…

https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii/ 题目: 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->…