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Count Inversions Quiz Question

Count Inversions Quiz Question

Inversion Count for an array indicates – how far (or close) the array is from being sorted. If the array is already sorted, then the inversion count is 0, but if the array is sorted in the reverse order, the inversion count is the maximum Quiz

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Count Inversions Quiz Question
Count Inversions Quiz Question
Count Inversions Quiz Question
Count Inversions Quiz Question
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Quiz Questions And Answers

consider a linked list of n elements which is pointed by an external pointer. What is the time taken to delete the element which is successor of the element pointed to by a given

O(1)
O( log n)
O(n)
O(n log n)

consider a linked list of n elements. What is the time taken to insert an element an after element pointed by some pointer?

O(1)
O( log n)
O(n)
None

which of the following operations is performed more efficiently by doubly linked list than by linear linked list?

Deleting a node whose location is given
searching an unsorted list for a given item
inserting a node after the node with a given location
None

the five items: A,B,C,D and E are pushed in a stack, one after the other starting from A. The stack is popped four items and each element is inserted in a queue. Then two elements

A
B
C
None

the time required to search an element in a binary search tree having n elements is

O(1)
O( log n)
O(n)
O(n log n)

for a linear search in an array of n elements the time complexity for best, worst and average case are …., and …respectively.

O(n) , O(1) and O(n/2)
O(1) , O(n) and O(n/2)
O(1) , O(n) and O(n)
O(1) , O(n) and O((n-1)/2)

the number of comparisons required by binary search of 100000 elements is

15
20
23
None

Find an optimal parenthesization of a matrix chain product whose sequence of dimension s is <5,4,6,2,7>

154
158
157
None
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