String to Integer (atoi) – LeetCode 8 Solution

The LeetCode problem String to Integer (atoi) is a common question that challenges your ability to handle input conversion and edge cases. In this post, we’ll dive into the problem, break down the requirements, and walk through different solutions in Java. Problem Statement Implement the myAtoi(string s) function, which converts a string to a 32-bit signed integer. … Read more

Reverse Integer | Leetcode 7 Solution

Introduction The Reverse Integer problem is a classic LeetCode challenge, categorized as an Easy level problem, but it’s a great exercise in understanding integer manipulation and overflow handling. This problem is frequently asked in coding interviews, making it a must-practice for aspiring developers. In this blog post, we’ll break down the problem, explore different solution … Read more

Longest Palindromic Substring Leetcode | Leetcode 5 Solution

Longest Palindromic Substring Leetcode

Introduction The Longest Palindromic Substring is a classic problem that tests your understanding of strings, dynamic programming, and optimization techniques. A palindrome reads the same forward and backward, and the problem asks for the longest contiguous palindromic substring in a given string. This post will explore various approaches to solve Longest Palindromic Substring Leetcode problem, … Read more

Median of Two Sorted Arrays | Leetcode 4

median of two sorted arrays

Finding the median of two sorted arrays is a classic problem in computer science and competitive programming. It is particularly interesting due to its constraints, which encourage an efficient solution rather than a simple brute-force approach. In this article, we’ll cover different methods to solve this problem, including their pros and cons, and provide Java … Read more

Add Two Numbers Represented as Linked List | Leetcode 2

Add Two Numbers

The LeetCode Problem 2: Add Two Numbers is a classic linked list problem, and it’s a common interview question for testing algorithmic and coding skills. This problem can be solved in multiple ways, starting from a brute force approach to more optimized solutions. In this article, we’ll walk through various solutions, starting from the most … Read more

Leetcode 189 – Rotate Array | 3 Approaches

Leetcode 189 - Rotate Array

Problem Description: Given an integer array nums, rotate the array to the right by k steps, where k is non-negative. Example 1: Example 2: Constraints: Problem Link : Rotate Array – LeetCode Solution(s): Approach 1: Using temporary array Java Code: Complexity: Approach 2 : In-Place Java Code : Complexity: