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169. Majority Element

{leetcode}/problems/majority-element/[LeetCode - Majority Element^]

Boyer-Moore Voting Algorithm 这个算法好巧妙啊!简直妙不可言!

{leetcode}/problems/majority-element/solution/[Majority Element solution - LeetCode^]

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.

Example 1:

Input: [3,2,3]
Output: 3

Example 2:

Input: [2,2,1,1,1,2,2]
Output: 2

思路分析

哈希计数法最易想到,摩尔投票法最妙!

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link:{sourcedir}/_0169_MajorityElement.java[role=include]
二刷
link:{sourcedir}/_0169_MajorityElement_2.java[role=include]