[LeetCode169]Majority Element

Majority Element

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Question Solution 

 

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.

题意为：找出最多的数是哪个数。

package com.leetcode.mair;

import java.util.Arrays;

public class Solution169 {

	 public int majorityElement(int[] nums) {
	     
		 int mel = nums.length/2,count=1,me=1;
		
		 Arrays.sort(nums);
		 me=nums[0];
		 for(int i=1; i<nums.length; i++){
			 if(nums[i-1] == nums[i]){
				 count++;
				 if(count>=mel){
					
					 me = nums[i];
					 mel = count;
				 }
			 }else
				 count=1;
		 }
		 
		 return me;
	  }
	 public static void main(String[] args) {
		
		 int nums[]= {1};
		 System.out.println(new Solution169().majorityElement(nums));
	}
}