LeetCode 169 -Majority Element ( JAVA )

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.

public class Solution {
    public int majorityElement(int[] nums) {
        Arrays.sort(nums);
        return nums[nums.length/2];
    }
}

总结：这题给我做笑了，主要是给出的假设，肯定不为空，肯定有出现众数出现次数大于一半的，那这题很显然可以，把数组进行排序，中位数，一定就是众数。