4 min Coding ProblemsAdd Two Numbers Represented by Linked Lists Problem Statement Given 2 numbers, where each digit is represented by nodes of a LinkedList, find the sum…June 8, 2022 Read More
2 min Coding ProblemsSerialize and Deserialize a Binary Tree Problem Statement Given a binary tree, serialize and deserialize the binary tree. Serialize: Write the tree into a…December 17, 2021 Read More
3 min Coding ProblemsDelete Node From Binary Search Tree Problem Statement Given a binary search tree and a key value. The task is to delete the given…January 17, 2022 Read More
5 min Coding ProblemsFind Median in a Stream Problem Statement Given are some integers, which are read from the data stream. The task is to find…January 17, 2022 Read More
4 min Coding ProblemsFriends Pairing Problem (Solution) Problem Statement Given a total of n friends, each friend can either remain single or can be paired…June 15, 2022 Read More
2 min Coding ProblemsN-ary Tree – Tree Data Structures Introduction N-ary trees are tree data structures that allow us to have up to n children nodes for…October 3, 2022 Read More
3 min Coding ProblemsDepth First Search – Traversal Of The Graph Problem Statement Given an undirected, unweighted graph print the DFS traversal of the graph. Sample Test CasesInput 1:…December 13, 2021 Read More
4 min Coding ProblemsReverse Level Order Traversal Problem Statement Given a binary tree, return the reverse level order traversal of its nodes’ values. (i.e, from…January 17, 2022 Read More
2 min Coding ProblemsSort String (C++, Java, and Python) Problem Statement Given a string S of lowercase English characters ‘a’ – ‘z’. The task is to sort…December 13, 2021 Read More
4 min Coding ProblemsTree Diameter – Diameter of a Binary Tree Problem Statement Given a binary tree, find the diameter of the tree. Diameter: The diameter of a tree…July 8, 2022 Read More