leetcode算法题--数组中出现次数超过一半的数字
原题链接：https://leetcode-cn.com/problems/shu-zu-zhong-chu-xian-ci-shu-chao-guo-yi-ban-de-shu-zi-lcof/int majorityElement(vector<int>& nums) { sort(nums.begin(), nums.end()); return nums[nums.size() / 2];}
