Can you solve this real interview question? Find All Duplicates in an Array - Given an integer array nums of length n where all the integers of nums are in the range [1, n] and each integer appears at most twice, return an array of all the integers that
时间复杂度:O(n),空间复杂度:O(n) funcfindDuplicates(nums []int)[]int{len:=len(nums);iflen<=1{returnnil} hashMap :=make(map[int]int) result := []int{}for_, v :=rangenums { _, exist := hashMap[v];if(exist) { result =append(result, v) }else{ hashMap[v] = v } }ret...
这道题给了我们一个数组,数组中的数字可能出现一次或两次,让我们找出所有出现两次的数字,由于之前做过一道类似的题目Find the Duplicate Number,所以不是完全无从下手。这类问题的一个重要条件就是1 ≤ a[i] ≤ n (n = size of array),不然很难在O(1)空间和O(n)时间内完成。首先来看一种正负替换的方法...
442. Find All Duplicates in an Array Given an array of integers, 1 ≤ a[i] ≤ n (n = size of array), some elements appear twice and others appear once. Find all the e...[leetcode] 442. Find All Duplicates in an Array 样例: Input: Output: 在数组中找出所有重复出现的数,要求时...
LeetCode #442 - Find All Duplicates in an Array 题目描述: Given an array of integers, 1 ≤ a[i] ≤ n (n = size of array), some elements appear twice and others appear once. Find all the elements that appear twice&...[LeetCode]-442. Find All Duplicates in an Array 442. ...
问题描述: Given an array of integers where 1 ≤ a[i] ≤ n (n = size of array),some elements appear twice and others appear once. Find all the elements of [1, n] inclusive that do not appear in this ar... 查看原文 leetcode之Find All Duplicates in an Array 问题 问题描述: ...
[LeetCode]Find All Duplicates in an Array Question Given an array of integers, 1 ≤ a[i] ≤ n (n = size of array), some elements appear twice and others appear once. Find all the elements that appear twice in this array....
Find the minimum element. The array may contain duplicates. 详见Leetcode Analysis Find Minimum in Rotated Sorted Array 因为题目给出的序列是相对有序,所以我们依然可以采用二分搜索的方式来查找。首先判断当前中间的那个元素是否比我们现在所拥有的最小值小,如果是这样的话,更新最小值。然后判断现在搜索区间的...
Find the minimum element. The array may contain duplicates. 【分析】 这一道题是上一道题的拓展延伸:[LeetCode]153.Find Minimum in Rotated LeetCode33.搜索旋转排序数组 题目来源: https://leetcode-cn.com/problems/search-in-rotated-sorted-array/ 题目描述: 代码如下:...
Suppose an array sorted in ascending order is rotated at some pivot unknown to you beforehand. (i.e.,0 1 2 4 5 6 7might become4 5 6 7 0 1 2). Find the minimum element. The array may contain duplicates. 分析: classSolution{ ...