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【LeetCode】169 - Majority Element
Given an array of sizen, find the majority element. The majority element is the element that appears more than? n/2 ?times.You may assume that the arr...
分类:其他好文   时间:2015-08-12 01:02:11    阅读次数:110
[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. Hint: How many majority elements could it possibly...
分类:其他好文   时间:2015-08-10 16:13:28    阅读次数:95
Majority Element:主元素
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 ...
分类:其他好文   时间:2015-08-09 22:39:39    阅读次数:216
[leedcode 229] Majority Element II
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.public...
分类:其他好文   时间:2015-08-08 16:23:35    阅读次数:106
leetcode_Majority Element II
1.跟让求一个数组中出现次数超过一半的元素类似,这次让求出现次数超过n/3次数的元素,原则上是类似的,但难度要大好多 2.因为是类似的,所以总体思路应该还是一样的,但具体怎么做呢?这次维护一个curNum1和curNum2两个锚点并用count1和count2来计算锚点出现的次数,因为求超过n/3次数的元素,所以数组中可能存在两个这样的元素,其它的就和Majority Element类似了,只有nums[i]与curNum1和curNum2均不相等时才会count1--,count2-- 3.和Majori...
分类:其他好文   时间:2015-08-07 11:12:52    阅读次数:111
(medium)LeetCode 229.Majority Element II
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.解法:参考编...
分类:其他好文   时间:2015-08-06 23:52:02    阅读次数:201
LeetCode-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. 此题是Majority Element的继续,关于此题可以移步至Majority Elem...
分类:其他好文   时间:2015-08-06 13:28:19    阅读次数:104
leetcode 229 Majority Element II
这题用到的基本算法是Boyer–Moore majority vote algorithmwiki里有示例代码 1 import java.util.*; 2 public class MajorityVote { 3 public int majorityElement(int[] num...
分类:其他好文   时间:2015-08-05 21:48:49    阅读次数:128
Majority Element
Given an array of sizen, find the majority element. The majority element is the element that appears more than? n/2 ?times.You may assume that the arr...
分类:其他好文   时间:2015-07-29 22:54:17    阅读次数:160
[LintCode] Majority Number(以时间复杂度O(n)求主元素)
一个数据序列的主元素,是指序列中出现次数超过序列长度一半的元素。法1(期望时间复杂度为O(n)):由于主元素出现次数超过序列长度的一半,因此,主元素一定是中位数。可以利用递归划分求中位数的方法,期望时间复杂度为O(n)。法2:显然,如果一个序列存在主元素,那么我们去掉序列中不同的两个数,剩下序列的主...
分类:其他好文   时间:2015-07-28 22:28:41    阅读次数:135
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