LeetCode题解---Majority Element II 摩尔投票法 题目描述: Given an integer array of sizen, find all elements that appear more than⌊ n/3 ⌋times. The algorithm should run in linear time and in O(1) space. 分析: 因为要找出的是出现次数大于⌊ n/3 ⌋的元素,因此最多只可能存在两个...
classSolution{public:vector<int>majorityElement(constvector<int> &nums){if(nums.empty())return{};intmj1 =0, mj2 =0, cnt1 =0, cnt2 =0;for(intelement : nums) {if(element == mj1) { ++cnt1; }elseif(element == mj2) { ++cnt2; }elseif(!cnt1) { mj1 = element; cnt1 =1;...
Majority Element II Description Note: Example 1 Example 2 Solution 1(C++) 算法分析 排序,然后计算相邻元素相同的次数,如果超过len/3就可以添加到res中,否则不添加。 程序分析 略。...leetcode 229. Majority Element II leetcode 229. Majority Element II 题意:给你一个数组,让你找出里面出现次数大于[...
Given an arraynumsof sizen, returnthe majority element. The majority element is the element that appears more than⌊n / 2⌋times. You may assume that the majority element always exists in the array. Example 1: Input: nums = [3,2,3] Output: 3 Example 2: Input: nums = [2,2,1,...
[LeetCode]Majority Element II Question Given an integer array of size n, find all elements that appear more than ⌊ n/3 ⌋ times. The algorithm should run in linear time and in O(1) space. 本题难度Medium。 投票法...
C++ 智能模式 1 2 3 4 5 6 class Solution { public: vector<int> majorityElement(vector<int>& nums) { } }; 已存储 行1,列 1 运行和提交代码需要登录 Case 1Case 2Case 3 nums = [3,2,3] 1 2 3 [3,2,3] [1] [1,2] Source ...
impl Solution { pub fn majority_element(nums: Vec<i32>) -> i32 { // 维护 majority ,表示众数 let mut majority = 0; // 维护 count ,表示当前众数的个数 let mut count = 0; // 遍历每个数 for num in nums { // 如果当前众数的个数为 0 ,则更新当前众数为 num if count == 0 { majo...
public class Solution { public int majorityElement(int[] nums) { //require Arrays.sort(nums); //ensure return nums[nums.length/2]; } } 1. 2. 3. 4. 5. 6. 7. 8. 3、投票法 【复杂度】 时间O(N) 空间 O(1) 【思路】 设一个投票变量candidate,还有一个计数变...
原帖连接:https://leetcode.com/discuss/19151/solution-computation-space-problem-can-extended-situation http://m.blog.csdn.net/blog/wenyusuran/40780253 解决方案: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 classSolution{public:intmajorityElement(vector<int>&nums){int size=nums.size();int vot...
Memory Usage: 16.5 MB, less than 7.86% of C++ online submissions for Majority Element II. 有点慢 看答案: https://zxi.mytechroad.com/blog/algorithms/array/leetcode-229-majority-element-ii/ Solution: Boyer–Moore Voting Algorithm Time complexity: O(n) ...