Can anyone help me understand this problem:
I mean can’t vasya ask all letters(which will give probability 1) ?
I know i am wrong,Please if someone could clarify the question.
Thanks in advance!!
Edit:Sorry to reopen it.But i am now having difficulty in understanding the approach for the question,also cant understand the editorial.And also can someone explain how the answer for string: bbaabaabbb is 0.1?