![]() Min Heap: The value of the parent node should be less than or equal to either of its children. How can we arrange the nodes in the Tree? Note: The heap tree is a special balanced binary tree data structure where the root node is compared with its children and arrange accordingly. The above figure shows that all the internal nodes are completely filled except the leaf node, but the leaf nodes are added at the right part therefore, the above tree is not a complete binary tree. In the above figure, we can observe that all the internal nodes are completely filled except the leaf node therefore, we can say that the above tree is a complete binary tree. What is a complete binary tree?Ī complete binary tree is a binary tree in which all the levels except the last level, i.e., leaf node should be completely filled, and all the nodes should be left-justified. Before knowing more about the heap data structure, we should know about the complete binary tree. Next → ← prev Heap Data Structure What is Heap?Ī heap is a complete binary tree, and the binary tree is a tree in which the node can have utmost two children.
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