Maximum Product Difference Between Two Pairs

<-E 1913> Maximum Product Difference Between Two Pairs

class Solution {
public:
    int maxProductDifference(vector<int>& nums) {
        sort(nums.begin(), nums.end());
        return  (nums[nums.size() - 1] * nums[nums.size() - 2]) - (nums[0] * nums[1]);
    }
};