Given a sorted array, remove the duplicates in place such that each element appear onlyonceand 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 arraynums=[1,1,2], Your function should return len...
https://leetcode.com/problems/remove-duplicates-from-sorted-array/ 双指针,注意初始时左右指针指向首元素! classSolution {public:intremoveDuplicates(vector<int>&nums) {intn=1;inti =nums.size();if(i ==0)return0;int*l = &nums[0],*r = &nums[0];while(*r != nums[i-1]) {while(*l =...
2) Remove duplicates using filter and indexOf TheindexOf()method returns the first index at which a given element can be found in the array, or -1 if it is not present. Thefilter()method creates a shallow copy of a portion of a given array, filtered down to just the elements from t...
26. 删除有序数组中的重复项(Remove Duplicates from Sorted Array) 给你一个非严格递增排列的数组nums,请你原地删除重复出现的元素,使每个元素只出现一次,返回删除后数组的新长度。元素的相对顺序应该保持一致。然后返回nums中唯一元素的个数。 考虑nums的唯一元素的数量为k,你需要做以下事情确保你的题解可以被通过...
1,题目描述 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 memory. ...
Leetcode每日一题:26.remove-duplicates-from-sorted-array(删除排序数组中的重复项),正常思维:依次遍历到尾,期间把经过的元素(不重复的and重复出现只取一个)依次push_back到vector里然后把前面的全删除即可;简洁版:因为题目说了不考虑超出新长度后的元素,所以一个f
Remove duplicates from an array in C# Find duplicates in a List in C# Find duplicate elements in a List in C# Rate this post Submit Rating Average rating4.95/5. Vote count:22 Submit Feedback Thanks for reading. To share your code in the comments, please use ouronline compilerthat supports...
题目链接:https://leetcode.com/problems/remove-duplicates-from-sorted-array/ 问题描述 Given a sorted arraynums, remove the duplicates in-place such that each element appear onlyonceand return the new length. Do not allocate extra space for another array, you must do this bymodifying the input...
Note:TheUNIQUEfunction returns an array. If any pre-defined value exists in the array range, it will return a#SPILL!error. Method 5 – Removing Duplicates in Excel But Keeping the First Instance We cankeep the 1st instance only and remove duplicatesby using theIF-COUNTIFfunctions together in...
26 题的升级版,给定一个数组,每个数字只允许出现 2 次,将满足条件的数字全部移到前边,并且返回有多少数字。例如 [ 1, 1, 1, 2, 2, 3, 4, 4, 4, 4 ],要变为 [ 1, 1, 2, 2, 3, 4, 4 ...] 剩余部分的数字不要求。 解法一 快慢指针 ...