Data Structures and Algorithms

An IP address is used to transfer the information to computers connected through the internet. Each computer connected via the internet has a unique IP address. Every computer connected via...

Palindrome-related questions are generally asked in interviews because they require a strong understanding of string manipulation and recursion. A palindrome is a string that is the same as if you...

Pattern questions are complex; that's why they are asked in lots of coding interviews. For example, create a triangle with the use of the ‘*’ symbol, print a string in...

Understand the problem "Next Right Pointers In Each Node" from leetcode with solution implementation in C++, Java and Python.

Money is the most essential thing that we deal with every day. Isn’t it interesting that we have so many denominations of money and can use them in different combinations...

One of the difficult topics in programming is the Sliding Window. It helps you to solve problems in a lower time complexity. This method is useful when we are solving...

Trie is an advanced data structure used to store strings so that we can search the string in O(N) time complexity, where N is the maximum length of a string....

We will solve the leetcode problem to find the Minimum Path Sum using recursion and dynamic programming.

Learn how I tackled 1000 LeetCode problems in just 300 days. Find out the strategies and tips that helped me boost my coding skills.

We will find the first and last position of element in a sorted array using binary search, with implementation in C++, Java, and Python.