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What is the time complexity of accessing an element in a doubly linked list?
A. O(n)
B. O(1)
C. O(log n)
D. O(n log n)
Answer: O(n)
Which sorting algorithm has the worst-case time complexity of O(n log n)?
A. Merge Sort
B. Quick Sort
C. Bubble Sort
D. Insertion Sort
Answer: Merge Sort
Which data structure is implemented using an array to store elements in a heap?
A. Binary Heap
B. Binary Search Tree
C. AVL Tree
D. Splay Tree
Answer: Binary Heap
What is the space complexity of the recursion stack in the worst case for a binary tree traversal?
A. O(h)
B. O(n)
C. O(log n)
D. O(1)
Answer: O(h)
In hash tables, what is the primary purpose of the hash function?
A. To map keys to hash values
B. To sort elements
C. To handle collisions
D. To perform searching
Answer: To map keys to hash values
Which algorithm is used to find the shortest path in a graph with non-negative weights?
A. Dijkstra's Algorithm
B. Bellman-Ford Algorithm
C. Kruskal's Algorithm
D. Floyd-Warshall Algorithm
Answer: Dijkstra's Algorithm
Which of the following is not a type of graph?
A. Directed Graph
B. Undirected Graph
C. Weighted Graph
D. Binary Graph
Answer: Binary Graph
Which algorithm is typically used to solve the traveling salesman problem in a feasible time?
A. Dynamic Programming
B. Greedy Algorithm
C. Backtracking
D. Divide and Conquer
Answer: Dynamic Programming
In which type of graph traversal do you visit all nodes at the current depth level before moving on to nodes at the next depth level?
A. Breadth-First Search
B. Depth-First Search
C. Dijkstra's Algorithm
D. Kruskal's Algorithm
Answer: Breadth-First Search