Question: Question 3 (20 pints) in c++ Solve the exercise 3.34 from the book: A linked list contains a cycle if, starting from some node p,

Question 3 (20 pints)

in c++

Solve the exercise 3.34 from the book: A linked list contains a cycle if, starting from some node p, following a sufficient number of next links brings us back to node p. p does not have to be the first node in the list. Assume that you are given a linked list that contains N nodes; however, the value of N is unknown. a Design an O(N) algorithm to determine if the list contains a cycle. You may use O(N) extra space. b Repeat part (a), but use only O(1) extra space. (Hint: Use two iterators that are initially at the start of the list but advance at different speeds.)

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