[LeetCode]数组拆分 I

题目#

 

代码 #

class Solution {
public:
    int arrayPairSum(vector<int>& nums) {
        std::sort(nums.begin(),nums.end());
        int result=0;
        for(int i=0;i<nums.size();i+=2)
        {
            result+=nums[nums.size()-2-i];
        }
        return result;
    }
};