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
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
The Two Sum problem is one of the most popular algorithmic problems that is frequently asked in technical interviews. This problem tests your ability to think algorithmically and optimize for efficiency. In this article, we’ll break down the Two Sum problem, explore different approaches, and provide a complete Java solution. By the end, you’ll be … Read more
The Sliding Window Maximum is a common algorithm problem where, given an array of integers and a window size k, you are asked to find the maximum number in each sliding window of size k as the window moves from left to right across the array. Problem Description for Sliding Window Maximum: You are given … Read more
The Sliding Window technique is a powerful and efficient method used to solve problems involving arrays, strings, and sequences. Instead of using brute force methods that may result in time complexity issues, sliding window optimizes the process by reducing redundant calculations, making it a popular approach among competitive programmers. In this guide, we’ll break down … Read more
In this article, we will explore the Two Pointer pattern in detail. We’ll discuss what it is, when to use it, and go through some classic examples to illustrate how powerful it can be. What is the Two Pointer Technique in Coding? The Two Pointer technique is a pattern where two pointers (or indices) are … Read more
Problem-solving patterns, also known as problem-solving techniques or strategies, are systematic approaches that can help you tackle coding and algorithmic challenges more effectively. Here are some problem-solving patterns commonly used in coding: (1). Two Pointers Use two pointers that traverse the data structure from different directions to solve problems efficiently. This is common in problems … Read more
Problem Description: Given an integer array nums, move all 0‘s to the end of it while maintaining the relative order of the non-zero elements. Example 1: Example 2: Constraints: Move Zeroes – LeetCode Solution(s): To move all zeros to the end of an integer array while maintaining the relative order of the non-zero elements, you can follow … Read more
Problem Description: Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it can trap after raining. Example 1 : Example 2: Constraints: Problem Link :Trapping Rain Water – LeetCode Solution(s): Approach 1: Brute Force Solution Java Code: Explanation: 1.Initialization: 2.Main Loop: 3.Finding Maximum Height to the Left: … Read more
Merging sorted arrays is a fundamental problem in computer science. The task is to combine two sorted arrays into one sorted array, maintaining the order. The Merge Sorted Array presents this classic problem with a twist — you are asked to merge the arrays in-place. This means that instead of using extra space, you must … Read more