1464.MaximumProductOfTwoElementsInAnArray.cpp

class Solution {
public:
    int maxProduct(vector<int>& nums) {
        int max = 0;
        for(int i = 0; i < nums.size(); i++) {
            for(int j = i + 1; j < nums.size(); j++ ) {
                if((nums[i] - 1) * (nums[j] - 1) > max) max = (nums[i] - 1) * (nums[j] - 1);
            }
        }
        return max;
    }
};