Data Structure

Heap

⛪ Computer Science and Engineering > Data Structure

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Q 1: What is a heap in data structure?

  • A A tree-based data structure
  • B A list-based data structure
  • C A graph-based data structure
  • D None of the above

Q 2: Which of the following is not a type of heap?

  • A Binary heap
  • B Fibonacci heap
  • C Quad heap
  • D Binomial heap

Q 3: What is the time complexity of inserting an element into a binary heap of n elements?

  • A O(n)
  • B O(log n)
  • C O(n log n)
  • D O(1)

Q 4: Which of the following is not a property of a binary heap?

  • A Complete binary tree
  • B Heap property
  • C Parent nodes are greater than child nodes
  • D All leaf nodes are at the same level

Q 5: What is the time complexity of deleting the minimum element from a binary heap of n elements?

  • A O(n)
  • B O(log n)
  • C O(n log n)
  • D O(1)

Q 6: Which of the following is not a use case for a heap?

  • A Priority queues
  • B Sorting algorithms
  • C Dijkstra's algorithm
  • D Depth-first search

Q 7: Which type of heap has faster amortized time complexity for insert and delete operations?

  • A Binary heap
  • B Fibonacci heap
  • C Binomial heap
  • D Pairing heap

Q 8: Which operation is used to convert an array into a binary heap?

  • A Max-heapify
  • B Min-heapify
  • C Heapify
  • D Build-heap

Q 9: What is the time complexity of finding the minimum element in a binary heap of n elements?

  • A O(n)
  • B O(log n)
  • C O(n log n)
  • D O(1)

Q 10: Which of the following is a disadvantage of using a heap?

  • A Efficient for insert and delete operations
  • B Efficient for finding the minimum or maximum element
  • C Additional space required for storage
  • D Limited number of operations