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
classSolution(object):deffindDuplicates(self, nums):""":type nums: List[int] :rtype: List[int]"""res=nums[:] res.sort()foriinnums:ifnums.count(i)==1: res.remove(i)#for j in res:#res.remove(j)#return resres=res[::2]returnres 当然后来我尝试过加入一个空数组来存放数据,如上的...
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...
[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. Could you do it without extra space and in ...
leetcode之Find All Numbers Disappeared in an Array 本文主要解析《Find All Numbers Disappeared in an Array》,顺便简单解释一下《Find All Duplicates in an Array》。 该题的含义是:给定一个长度为n的数组,数组元素是1~n。但是有些元素出现一次,有些元素出现两次,从而也会导致有些元素不出现。现在让我们...
【原题】 Given an array of integers, 1 ≤ a[i] ≤ n (n = size of array), some elements appear twice and others...Find all the elements that appear twice in this array. 67780 Find All Duplicates in an Array Given an array of integers, 1 ≤ a[i] ≤ n (n = size of array)...
Can you solve this real interview question? Find Common Characters - Given a string array words, return an array of all characters that show up in all strings within the words (including duplicates). You may return the answer in any order. Example 1:
LeetCode 每日一题 Daily Challenge 637 Average of Levels in Binary Tree 228 -- 2:21 App LeetCode 每日一题 Daily Challenge 24 Swap Nodes in Pairs 156 -- 3:58 App LeetCode 每日一题 Daily Challenge 442 Find All Duplicates in an Array 151 -- 1:37 App LeetCode 每日一题 Daily Challenge...
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