4
votes
2answers
92 views

To find the oldest/newest element in a heap

I want to find the oldest/newest element added into a heap of size k. At any given point of time if I have to find say the oldest element in the heap is there any approach with O(1) space and O(1) ...
2
votes
4answers
943 views

Applications of heapsort

Heapsort is a sorting algorithm that has a time complexity of O(nlogn), and performs sorting using O(1) space complexity. However, I know that because it's unstable, it doesn't find many applications ...
0
votes
0answers
326 views

find second smallest element in Fibonacci Heap

I need to describe an algorithm that finds the second smallest element in a Fibonacci-Heap using the Operations: Insert, ExtractMin, DecreaseKey and GetMin. The last one is an algorithm previously ...
-3
votes
1answer
521 views

Construct an array from an existing array

Given an array of integers A[1...n-1] where 'N' is the length of array A[ ]. Construct an array B such that B[i] = min(A[i], A[i+1], ..., A[i+K-1]), where K will be given. Array B will have ...