What is Hashing? Hashing is a computer science technique for mapping arbitrary-size input to a fixed-size result. A Hash table…

What is Collision in Hashing? In hashing, collisions occur when two or more keys yield the same hash value or…

What is Recursion? In computer science, recursion is a strong programming technique that is used in many algorithms and data…

What is a Linked List? A linked list is a linear data structure composed of nodes, each of which holds…

Let us see a few problems based on Linked List. Given a linked list of N nodes such that it may contain…

What is Tree Data Structure? A tree data structure is made up of nodes that are connected via edges. The…

There are various varieties of trees that are often used in the context of Data Structures and Algorithms (DSA). Here…

What is Searching? Searching is a fundamental process in computer science that is commonly used to locate certain items or…

What is Pattern Matching? Pattern matching is a fundamental problem in computer science that is employed in a wide range…

In the previous post, we discussed various pattern-matching algorithms, let us now see a few problems based on it. Given…

Problem Statement (Asked By Google) Given a list of integers and a target number k, determine if there exist two…