Palindrome Number in C, Java, and Python
A palindrome number is a number that remains the same when digits are reversed. For example, the number…
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Coding Problems
112 posts
GCD of Two Numbers (C, Python, Java) With Examples
Problem Statement Given two non-negative integers a and b, we have to find their GCD (greatest common divisor),i.e.…
Travelling Salesman Problem (TSP)
Problem Statement Given a set of cities and the distance between every pair of cities as an adjacency…
Add Two Numbers Represented by Linked Lists
Problem Statement Given 2 numbers, where each digit is represented by nodes of a LinkedList, find the sum…
Serialize and Deserialize a Binary Tree
Problem Statement Given a binary tree, serialize and deserialize the binary tree. Serialize: Write the tree into a…
Delete Node From Binary Search Tree
Problem Statement Given a binary search tree and a key value. The task is to delete the given…
Find Median in a Stream
Problem Statement Given are some integers, which are read from the data stream. The task is to find…
Friends Pairing Problem (Solution)
Problem Statement Given a total of n friends, each friend can either remain single or can be paired…
N-ary Tree – Tree Data Structures
Introduction N-ary trees are tree data structures that allow us to have up to n children nodes for…
Depth First Search – Traversal Of The Graph
Problem Statement Given an undirected, unweighted graph print the DFS traversal of the graph. Sample Test CasesInput 1:…