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Array Representation Of Binary Heap

Last Updated : 23 Jul, 2025
A Binary Heap is a Complete Binary Tree. A binary heap is typically represented as array. The representation is done as:
  • The root element will be at Arr[0].
  • Below table shows indexes of other nodes for the ith node, i.e., Arr[i]:
    Arr[(i-1)/2] Returns the parent node
    Arr[(2*i)+1] Returns the left child node
    Arr[(2*i)+2] Returns the right child node
  • The traversal method use to achieve Array representation is Level Order 👁 binary-heap-array-mapping
    Binary Heap satisfies the Ordering Property. The Ordering can be of two types: 1. Min Heap Property: The value of each node is greater than or equal to the value of its parent, with the minimum value at the root. Examples: 👁 min-heap
    2. Max Heap Property: The value of each node is less than or equal to the value of its parent, with the maximum value at the root. Examples: 👁 max-heap
    For the implementation of the basic heap operations follow the link :https://www.geeksforgeeks.org/dsa/binary-heap/

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