Explore topic-wise MCQs in Data Structure.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Data Structure knowledge and support exam preparation. Choose a topic below to get started.

1.

You are given infinite coins of denominations 3, 5, 7. Which of the following sum CANNOT be achieved using these coins?

A. 15
B. 16
C. 17
D. 4
Answer» E.
2.

Suppose you are given infinite coins of N denominations v1, v2, v3,.....,vn and a sum S. The coin change problem is to find the minimum number of coins required to get the sum S. What is the space complexity of a dynamic programming implementation used to solve the coin change problem?

A. O(N)
B. O(S)
C. O(N<sup>2</sup>)
D. O(S*N)
Answer» C. O(N<sup>2</sup>)
3.

You are given infinite coins of N denominations v1, v2, v3,.....,vn and a sum S. The coin change problem is to find the minimum number of coins required to get the sum S. What is the time complexity of a dynamic programming implementation used to solve the coin change problem?

A. O(N)
B. O(S)
C. O(N<sup>2</sup>)
D. O(S*N)
Answer» E.
4.

You are given infinite coins of denominations v1, v2, v3, ..,vn and a sum S. The coin change problem is to find the minimum number of coins required to get the sum S. This problem can be solved using ____________

A. Greedy algorithm
B. Dynamic programming
C. Divide and conquer
D. Backtracking
Answer» C. Divide and conquer