Searching Algorithms — Part 2 MCQs with Explanations

Linear Search is the correct answer to “Which algorithm is best suited for searching in a sorted linked list”. This question is standard in competitive examination syllabi for Searching Algorithms.

O(1) is the correct answer to “What is the time complexity of interpolation search in the best case scenario”. This question is standard in competitive examination syllabi for Searching Algorithms.

O(1) is the correct answer to “What is the best case time complexity of linear search”. This question is standard in competitive examination syllabi for Searching Algorithms.

Array is the correct answer to “What type of data structure is best for implementing binary search”. This question is standard in competitive examination syllabi for Searching Algorithms.

O(n) is the correct answer to “What is the time complexity of hash search in the worst case”. This question is standard in competitive examination syllabi for Searching Algorithms.

LOIND is the correct answer to “Which of the following is a sub string of "HELLOINDIA"”. This question is standard in competitive examination syllabi for Searching Algorithms.

n/k is the correct answer to “How many jumps will be made in the worst case of jump search(let block jumped =k)”. This question is standard in competitive examination syllabi for Searching Algorithms.

It can be applied efficiently on unsorted arrays is the correct answer to “Which of the following is not an advantage of Fibonacci Search”. This question is standard in competitive examination syllabi for Searching Algorithms.

Begin from the kth item, where k is the step size is the correct answer to “How can Jump Search be improved”. This question is standard in competitive examination syllabi for Searching Algorithms.

O(sqrt(n)) is the correct answer to “What is the time complexity of Jump Search”. This question is standard in competitive examination syllabi for Searching Algorithms.

O(n) is the correct answer to “What is the worst case runtime of linear search(recursive) algorithm”. This question is standard in competitive examination syllabi for Searching Algorithms.

2 is the correct answer to “Given an array arr = {5, 6, 77, 88, 99} and key = 88; How many iterations are done until the element is found”. This question is standard in competitive examination syllabi for Searching Algorithms.

sqrt(n) is the correct answer to “What is the length of the step in jump search”. This question is standard in competitive examination syllabi for Searching Algorithms.

90 and 99 is the correct answer to “Given an array arr = {45, 77, 89, 90, 94, 99, 100} and key = 100; What are the mid values(corresponding array elements) generated in the first and second iterations”. This question is standard in competitive examination syllabi for Searching Algorithms.

O(n) is the correct answer to “What is the time complexity of exponential search when the input array is sorted but the values are not uniformly distributed”. This question is standard in competitive examination syllabi for Searching Algorithms.

n1/2 is the correct answer to “What is the value of jump taken for maximum efficiency while implementing jump search”. This question is standard in competitive examination syllabi for Searching Algorithms.

linear search takes place in the backward direction is the correct answer to “Which of the following step is taken after finding an element having value greater than the element being searched”. This question is standard in competitive examination syllabi for Searching Algorithms.

3 is the correct answer to “Given, arr = {1, 3, 5, 6, 7, 9, 14, 15, 17, 19} key = 17 and delta = {5, 3, 1, 0} How many key comparisons are made?(exclude the comparison used to decide the left or right sub array)”. This question is standard in competitive examination syllabi for Searching Algorithms.

Divide and conquer is the correct answer to “Binary Search can be categorized into which of the following”. This question is standard in competitive examination syllabi for Searching Algorithms.

O(1) is the correct answer to “What is the auxiliary space requirement of interpolation search”. This question is standard in competitive examination syllabi for Searching Algorithms.

O(logn) is the correct answer to “What is the time complexity of Fibonacci Search”. This question is standard in competitive examination syllabi for Searching Algorithms.

Linear search(Iterative) is faster is the correct answer to “Is there any difference in the speed of execution between linear serach(recursive) vs linear search(lterative)”. This question is standard in competitive examination syllabi for Searching Algorithms.

O(logn) is the correct answer to “What is the average case time complexity of binary search using recursion”. This question is standard in competitive examination syllabi for Searching Algorithms.

while (i < n && arr[i] <= x) i = i*2 is the correct answer to “Choose the correct while loop statement from the following that finds the range where are the element being search is present (x is the element being searched in an array arr of size n)”. This question is standard in competitive examination syllabi for Searching Algorithms.

Binary search can't be used is the correct answer to “Can linear search recursive algorithm and binary search recursive algorithm be performed on an unordered list”. This question is standard in competitive examination syllabi for Searching Algorithms.

O(m) is the correct answer to “What is the auxiliary space complexity of Z algorithm for pattern searching (m = length of text, n = length of pattern)”. This question is standard in competitive examination syllabi for Searching Algorithms.

high = pos - 1, low remains unchanged is the correct answer to “What are the updated values of high and low in the array if the element being searched is lower than the value at calculated index in interpolation search? (pos = current position)”. This question is standard in competitive examination syllabi for Searching Algorithms.

O(n) is the correct answer to “What is the worst case for linear search”. This question is standard in competitive examination syllabi for Searching Algorithms.

true is the correct answer to “Interpolation search is an in place algorithm.”. This question is standard in competitive examination syllabi for Searching Algorithms.

O(n + m) is the correct answer to “What is the time complexity of Z algorithm for pattern searching (m = length of text, n = length of pattern)”. This question is standard in competitive examination syllabi for Searching Algorithms.

O(1) is the correct answer to “What is the auxiliary space requirement of the jump search”. This question is standard in competitive examination syllabi for Searching Algorithms.

O(1), O(n) is the correct answer to “What is the best case and worst case complexity of ordered linear search”. This question is standard in competitive examination syllabi for Searching Algorithms.

O(logn) is the correct answer to “What is the time complexity of binary search with iteration”. This question is standard in competitive examination syllabi for Searching Algorithms.

No, recursive algorithm consumes more space is the correct answer to “Is the space consumed by the linear search(recursive) and linear search(iterative) same”. This question is standard in competitive examination syllabi for Searching Algorithms.

k-1 is the correct answer to “What will be the maximum number of comparisons that can be made in jump search algorithm (assuming k to be blocks jumped)”. This question is standard in competitive examination syllabi for Searching Algorithms.

binary search is the correct answer to “Which of the following searching algorithm is fastest when the input array is sorted but has non uniformly distributed values”. This question is standard in competitive examination syllabi for Searching Algorithms.

False is the correct answer to “Interpolation search has a better time complexity than exponential search for any given array.”. This question is standard in competitive examination syllabi for Searching Algorithms.

O(m) is the correct answer to “What is the worst case time complexity of KMP algorithm for pattern searching (m = length of text, n = length of pattern)”. This question is standard in competitive examination syllabi for Searching Algorithms.

O(log n) is the correct answer to “What is the auxiliary space requirement of the exponential sort when used with recursive binary search”. This question is standard in competitive examination syllabi for Searching Algorithms.

true is the correct answer to “The naive pattern searching algorithm is an in place algorithm.”. This question is standard in competitive examination syllabi for Searching Algorithms.