leetcode_num169_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.

class Solution {
public:
    int majorityElement(vector<int> &num) {
        int max=num[0],count=1;
        for(int i=1;i<num.size();i++){
            if (count==0){
                max=num[i];
                count++;
            }
            else if (max==num[i]){
                count++;
            }
            else
                count--;
        }
        return max;
    }
};

leetcode_num169_Majority Element

原文：http://blog.csdn.net/eliza1130/article/details/44160173