71. Simplify Path QuestionEditorial Solution

public string SimplifyPath(string path) {
        List<string> list = new List<string>();
        string[] words = path.Split(‘/‘);
        for(int i = 0; i< words.Count(); i++)
        {
            if(words[i]== "" || words[i] == ".")
            {
               ;
            }
            else if(words[i] == "..")
            {
                if(list.Count()>0) list.RemoveAt(list.Count()-1);
            }
            else list.Add(words[i]);
        }
        string res = "";
        foreach( var l in list)
        {
            res += "/"+l;
        }
        if(res == "") return "/";
        return res;
    }