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Binary Search Tree Explained With Simple Example

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A Binary Search Tree is a Binary tree in which all the nodes has following properties.

  • Left subtree of a node contains all the nodes having values lesser than the node.
  • Right subtree of a node contains all the nodes having values higher than the node.
  • Both the left and right subtree is also a Binary Search Tree.

As the name suggests, this data structure is mainly used for faster searching. In order to do that, restrictions are applied while inserting/deleting an element into the tree. As a result of these restrictions, worst case search time complexity remains at O(log n).

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