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  1. Prepare
  2. Algorithms
  3. Strings
  4. Sherlock and the Valid String
  5. Discussions

Sherlock and the Valid String

  • alanee1996
     + 0 comments

    my c# code like this:

       public static string isValid(string s)
    {
        var temp = s.GroupBy(x=> x).GroupBy(x=> x.Count());
        return temp.Where(x=> x.Count() == 1).Count() == 1 ? "YES" : "NO";
    }

    but it failed for test cases 3,5,14