Data Structures and Algorithms

Understand what is LFU cache leetcode problem with an example and how to implement it using the hashing approach.

Find out what the Min Stack Problem is from the leetcode, with an example, and solve it using two stack or one stack only.

Understand what is the First Missing Positive Problem from leetcode and how to solve it using sorting with swapping.

Understand what is the Alien Dictionary Problem and how to solve it using the Topological Sort approach.

Interval-related questions are frequently asked in technical interviews. Some of the common questions among them are Insert Interval, Merge Interval, Meeting Room, etc. This article will explore various approaches to...

Finding all anagrams in a string is one of the famous problems in Data structure that is often asked in technical interviews. In this article, we will understand this famous...

Understand what is a string compression leetcode problem and ho to solve it with implementation in C++, Java, and Python.

Understand the leetcode problem called Partition Equal Subset Sum, and how to solve it using recursion and dynamic programming approach.

Find the solution to the leetcode problem to find the longest substring without repeating characters with implementation in C++, Java and Python.

In data structures and algorithms, strings contain a lot of problems and when it comes to string manipulation and pattern matching there is a very popular programming problem. In this...