Waiting for answer This question has not been answered yet. You can hire a professional tutor to get the answer.
A string, S, consisting of N lowercase English letters. In one operation, you can delete any pair of adjacent letters with same value.
A string, S, consisting of N lowercase English letters. In one operation, you can delete any pair of adjacent letters with same value. For example, string "aabcc" would become either "aab" or "bcc" after 1 operation.