3745. Maximize Expression of Three Elements

You are given an integer array nums.

Choose three elements a, b, and c from nums at distinct indices such that the value of the expression a + b - c is maximized.

Return an integer denoting the maximum possible value of this expression.

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