Problem Statement Given a binary tree, we have to determine if the tree is a binary search tree or not.A tree is said to be a valid binary search tree when, Example consider the following examplesexample-1 output: example-2 output: Example Explanation In example 1,Condition 1 is not satisfied. All the nodes in the left subtree ...
Introduction to Coin Change Problem The “coin change problem” expects a solution to find the minimum number of specific denomination coins required to sum up to a given value. This problem can be categorized as a variation of the “knapsack problem”, and the solution can be optimized using the Dynamic Programming approach. So let’s get ...
The need for data structures also demands the ability to convert them into a storable format and reconstruct back later. Serialization is the process of converting a data structure into a sequence of bits. And deserialization is the process of reconstructing the data structure from the serialized sequence. Introduction Data structures play a crucial role in designing efficient software, and ...