Explore topic-wise MCQs in Data Structures and Algorithms.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Data Structures and Algorithms knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the space complexity of the following dynamic programming implementation used to find the minimum number of jumps?

A. O(1)
B. O(n)
C. O(n2)
D. O(5)View Answer
Answer» C. O(n2)
Discussion
2.

What is the time complexity of the following dynamic programming implementation used to find the minimum number of jumps?

A. O(1)
B. O(n)
C. O(n2)
D. None of the mentionedView Answer
Answer» D. None of the mentionedView Answer
Discussion
3.

Consider the following dynamic programming implementation of the minimum jumps problem: Which of the following “for” loops can be used instead of the inner for loop so that the output doesn’t change?

A. for(j = 1; j < arr[idx] + len; j++)
B. for(j = 0; j < arr[idx] – len; j++)
C. for(j = idx + 1; j < len && j <= arr[idx] + idx; j++)
D. No change is requiredView Answer
Answer» E.
Discussion
4.

For any array, given that at most one element is non-zero, it is ALWAYS possible to reach the end of the array using minimum jumps.

A. True
B. False
Answer» C.
Discussion
5.

Consider the following recursive implementation: Which of these arguments should be passed by the min_jumps function represented by the blanks?

A. arr, strt + idx, end
B. arr + idx, strt, end
C. arr, strt, end
D. arr, strt, end + idxView Answer
Answer» B. arr + idx, strt, end
Discussion
6.

Consider the following array: {1, 3, 5, 8, 9, 2, 6, 7, 6}What is the minimum number of jumps required to reach the end of the array?

A. 1
B. 2
C. 3
D. 4
Answer» D. 4
Discussion
7.

What is the time complexity of the ABOVE dynamic programming implementation used to find the minimum number of jumps?$

A. O(1)
B. O(n)
C. O(n<sup>2</sup>)
D. None of the mentioned
Answer» B. O(n)
Discussion
8.

For a given array, there can be multiple ways to reach the end of the array using minimum number of jumps.

A. True
B. False
Answer» B. False
Discussion
9.

You are given an array of elements where each array element represents the MAXIMUM number of jumps that can be made in the forward direction from that element. You have to find the minimum number of jumps that are required to reach the end of the array. Which of these methods can be used to solve the problem?

A. Dynamic Programming
B. Greedy Algorithm
C. Recursion
D. All of the mentioned
Answer» E.
Discussion