LeetCode 169. Majority Element - Interview Prep Ep 73 | Boyer–Moore majority vote algorithm

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LeetCode 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.

Example 1:
Input: [3,2,3]
Output: 3

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

Problem link: https://leetcode.com/problems/majorit...

Solutions explained:
Boyer–Moore majority vote algorithm: https://en.wikipedia.org/wiki/Boyer%E...

Time complexity: O(n)
Space complexity: O(1)

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