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Which of the following is not a type of binary tree?
A. Full Binary Tree
B. Complete Binary Tree
C. Balanced Binary Tree
D. Priority Tree
Answer: Priority Tree
Which data structure is most suitable for implementing a priority queue?
A. Heap
B. Stack
C. Queue
D. Array
Answer: Heap
In a binary search tree, what is the maximum number of nodes at level `l`?
A. 2^l
B. 2^(l+1) – 1
C. 2^(l-1)
D. 2^l – 1
Answer: 2^l
What is the space complexity of quicksort in the average case?
A. O(log n)
B. O(n)
C. O(n log n)
D. O(n^2)
Answer: O(log n)
Which algorithm uses the ‘divide and conquer’ strategy to sort an array?
A. Merge Sort
B. Bubble Sort
C. Insertion Sort
D. Selection Sort
Answer: Merge Sort
What is the time complexity of inserting an element into a linked list?
A. O(1)
B. O(n)
C. O(log n)
D. O(n log n)
Answer: O(1)
Which problem can be solved efficiently using dynamic programming?
A. Longest Common Subsequence
B. Binary Search
C. Breadth First Search
D. Depth First Search
Answer: Longest Common Subsequence
Which algorithm is best suited for finding all the strongly connected components in a graph?
A. Kosaraju’s Algorithm
B. Dijkstra’s Algorithm
C. Kruskal’s Algorithm
D. Prim’s Algorithm
Answer: Kosaraju’s Algorithm
Which operation is performed in constant time in a stack?
A. Push and Pop
B. Search
C. Sort
D. Traversal
Answer: Push and Pop