Optimal_Division.cpp

class Solution {
public:
    string optimalDivision(vector<int>& nums) {
        string result;
        if(nums.empty()) {
            return result;
        }
        result = to_string(nums[0]);
        if(nums.size() == 1) {
            return result;
        }
        if(nums.size() == 2) {
            return result + "/" + to_string(nums[1]);
        }
        result += "/(" + to_string(nums[1]);
        for(int i = 2; i < (int)nums.size(); ++i) {
            result += "/" + to_string(nums[i]);    
        }
        result += ")";
        return result;
    }
};