What is the amortized cost per operation of a skew heap?

(a) O(N)

(b) O(N log N)

(c) O(N^2)

(d) O(log N)

My question is from Heap in division Heap of Data Structures & Algorithms I

The question was asked in quiz.

What is the amortized cost per operation of a skew heap?

(a) O(N)

(b) O(N log N)

(c) O(N^2)

(d) O(log N)

My question is from Heap in division Heap of Data Structures & Algorithms I

The question was asked in quiz.