题目内容 本题来源LeetCode 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,…

题目内容 本题来源于LeetCode 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, Giv…

这是悦乐书的第149次更新,第151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8题(顺位题号是26).给定一个已经排序(由小到大)的整数数组(元素可以重复),计算其中不重复元素的个数n,并将数组的前n个元素依次赋值为筛选后的不重复元素.不许使用新数组接收数据.例如: nums = {1,1,2} 输出不重复元素的个数为2 数组前2个元素为1和2,即nums = {1,2,2} 本次解题使用的开发工具是eclipse,jdk使用的版本是1.8,环境是win7 6…

problem: 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 ar…

这是悦乐书的第160次更新,第162篇原创 01 前情回顾 昨晚的爬楼梯算法题,有位朋友提了个思路,使用动态规划算法.介于篇幅问题,这里不细说动态规划算法,以后会在数据机构和算法的理论知识里细说. 昨晚的三个解法中,根据测试数据和结果,第三种解法是最优的,但是还能不能更进一步呢?经过推导,我们得知当n大于等于3的时候,f(n) = f(n-1)+f(n-2),也就是说我们只需要得到n的前面两位的结果即可,对此我们使用了数组,将每个值都存起来了,最后取出数组中的最后一位元素.那么是否可以将数组也省…

①中文题目 给定一个排序数组,你需要在原地删除重复出现的元素,使得每个元素只出现一次,返回移除后数组的新长度. 不要使用额外的数组空间,你必须在原地修改输入数组并在使用 O(1) 额外空间的条件下完成. 示例 1: 给定数组 nums = [1,1,2], 函数应该返回新的长度 2, 并且原数组 nums 的前两个元素被修改为 1, 2. 你不需要考虑数组中超出新长度后面的元素.示例 2: 给定 nums = [0,0,1,1,1,2,2,3,3,4], 函数应该返回新的长度 5, 并且原数组…

描述 Follow up for "Remove Duplicates": What if duplicates are allowed at most twice? 示例 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 matte…

描述 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 by modifying the input array in-place with O(1) extra memory. 示…

1.题目 26. Remove Duplicates from Sorted Array--Easy Given a sorted array nums, 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 by modifyi…

Remove Duplicates from Sorted Array LeetCode OJ 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 cons…