LeetCode "Majority Element II"

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[LeetCode][JavaScript]Majority Element II

Majority Element II 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. https://leetcode.com/problems/majority-element-ii/ 使用Moore voting algorithm,时间复杂度是

【LeetCode】229. Majority Element II

Majority Element II 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. Hint: How many majority elements could it possibly have? Do you have a better hint

Majority Element && Majority Element II

Majority Element https://leetcode.com/problems/majority-element/ Difficulty: Easy 查找数组的多数元素(majority element) 多数元素为数组中出现次数多于?n/2?的元素.假设数组非空且多数元素一定存在 LeetCode的解答中给出了七种思路 第一种是Brute force solution,时间复杂度为O(n2),顾名思义,遍历数组,依次判断每个元素是否为多数元素 第二种是Hash table,时间复

169. Majority Element && 229. Majority Element II

169. Majority Element Given an array of size n, find the majority element. The majority element is the element that appears more than ⌊ n/2 ⌋ times. You may assume that the array is non-empty and the majority element always exist in the array. Hide T

【LeetCode 229】Majority Element II

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. 思路: [LeetCode 169]Majority Element 的拓展,这回要求的是出现次数超过三分之一次的数字咯,动动我们的大脑思考下,这样的数最多会存在几个呢,当然是2个嘛.因此,接着上一题的方

[LeetCode] 229. Majority Element II 多数元素 II

Given an integer array of size n, find all elements that appear more than ⌊ n/3 ⌋ times. Note: The algorithm should run in linear time and in O(1) space. Example 1: Input: [3,2,3] Output: [3] Example 2: Input: [1,1,1,3,3,2,2,2] Output: [1,2] 169. Maj

LeetCode OJ 229. Majority Element II

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. Hint: How many majority elements could it possibly have? Do you have a better hint? Suggest it! [题目分析]

[LeetCode]Majority Element

Given an array of size n, find the majority element. The majority element is the element that appears more than ? n/2 ? times. You may assume that the array is non-empty and the majority element always exist in the array. Credits: Special thanks to @

LeetCode——Majority Element

在一个数组中找到主要的元素,也就是出现次数大于数组长度一半的元素.容易想到的方式就是计数,出现次数最多的就是majority element,其次就是排序,中间的就是majority element.但是还有两种更有意思的实现方式时间效率O(n),空间效率O(1):1.Moore voting algorithm 投票算法,因为符合要求的majority element总是存在的,所以首先置计数器count=1,并选择数组的第一个元素作为candidate,往后遍历并计数,与candidate相