Leetcode 448. Find all numbers disappeared in an array 448. Find All Numbers Disappeared in an Array 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 el......
Can you solve this real interview question? Find Numbers with Even Number of Digits - Given an array nums of integers, return how many of them contain an even number of digits. Example 1: Input: nums = [12,345,2,6,7896] Output: 2 Explanation: 12 c
然后再去遍历数组,如果当前元素为正数,则说明其所在索引没有遇见过,就将其添加进list中。 publicList<Integer>findDisappearedNumbers3(int[] nums){ List<Integer> list =newArrayList<Integer>();if(nums ==null|| nums.length <1) {returnlist; }for(inti =0; i < nums.length; i++) {intval = Math...
https://leetcode.com/problems/find-all-numbers-disappeared-in-an-array/description/ 题目描述: 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...
LeetCode 357. Count Numbers with Unique Digits C++ 357. Count Numbers with Unique Digits Given a non-negative integer n, count all numbers with unique digits, x, where 0 ≤ x < 10n. Example: Approach 这是一道很纯粹的数学题,需要用到排列组合的知识,直接看代码吧。 Code......
【LeetCode】448. Find All Numbers Disappeared in an Array Problem: 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智能...
438. Find All Anagrams in a String # 题目 # Given a string s and a non-empty string p, find all the start indices of p’s anagrams in s. Strings consists of lowercase English letters only and the length of both strings s and p will not be larger than 2
链接:https://leetcode-cn.com/problems/find-all-numbers-disappeared-in-an-array 著作权归领扣网络所有。商业转载请联系官方授权,非商业转载请注明出处。 一个萝卜一个坑,不对付就换到自己的位置就行了。 要用while没换到底就一直换。 class Solution { ...
[LeetCode] 题目地址:https://leetcode.com/problems/find-all-numbers-disappeared-in-an-array/ Total Accepted: 14302 Total Submissions: 24993 Difficulty: Easy 题目描述 Given an array of integers where 1 ≤ a[i] ≤ n (n = size of array), some elements appear ...
class Solution { public: vector<int> findDisappearedNumbers(vector<int> &nums) { vector<int> res; for (int i = 0; i < nums.size(); ++i) { int idx = abs(nums[i]) - 1; nums[idx] = nums[idx] > 0 ? -nums[idx] : nums[idx]; ...