LeetCode Problem 136:Single Number 描述:Given an array of integers, every element appearstwiceexcept for one. Find that single one. Note: Your algorithm should have a linear runtime complexity. Could you implement
1classSolution:2#@param {integer[]} nums3#@return {integer}4defsingleNumber(self, nums):5bitNum = [0] * 326foriinrange(32):7foreinnums:8bitNum[i] += (e >> i) & 19ans =010fori, valinenumerate(bitNum):11ifi == 31andval % 3 !=0:12ans = -((1 << i) -ans)13else:1...
Can you solve this real interview question? Single Number III - Given an integer array nums, in which exactly two elements appear only once and all the other elements appear exactly twice. Find the two elements that appear only once. You can return the a
Special thanks to @.fighter for adding this problem and creating all test cases. class Solution { public: //两个不同的数出现一次,其余两次,异或 vector<int> singleNumber(vector<int>& nums) { int n,ans1,ans2; ans1=0; n=nums.size(); for(int i=0;i<n;i++){ an...
Hello. Today I removed the accountzh0ukangyangfrom the rating, after first nullifying its results in the Pinely Round 3 (Div. 1 + Div. 2) and banning it. I would like to remind you again: Codeforces insists on the policy of using a single account. Creating and using additional accounts...
1319-Number-of-Operations-to-Make-Network-Connected 1337-The-K-Weakest-Rows-in-a-Matrix 1338-Reduce-Array-Size-to-The-Half 1339-Maximum-Product-of-Splitted-Binary-Tree 1340-Jump-Game-V .gitignore qrcode.png readme.md Breadcrumbs Play-Leetcode /1165-Single-Row-Keyboard...
Weight Calculator leetcode potd generator added Jun 1, 2024 Western-aim-game Extension Western ail game added Jun 3, 2024 Whack-a-mole all images fixed + 1 manifest corrected May 24, 2024 WhatFont Chrome Extension WhatFont Chrome Extension added Jun 8, 2024 Word Count Extension added word cou...
Special thanks to@jianchao.li.fighterfor adding this problem and creating all test cases. Solution Two-pass XOR, time O(n), space O(1) 先取XOR,然后找到XOR中二进制为1的一位,然后根据它将nums分成两个group,然后分别取XOR即可。 classSolution{publicint[]singleNumber(int[]nums){intxor=0;for(...
260 - Single Number III Problem Given an array of numbers nums, in which exactly two elements appear only once and all the other elements appear exactly twice. Find the two elements that appear only once. Example: Note: The ...LeetCode 260. Single Number III 升级版: 260. Single ...
LeetCode 136: Single Number LeetCode 136: Single Number 题目描述 给定一个数组,数组中只有唯一一个不重复的元素,找出这个元素。 解题思路 利用位运算:两个相同的位异或结果为0,对所有数进行异或操作,最后的结果就是单独出现的那个数。 AC代码 ......