algorithm tutorials

Merge K Sorted Lists – LeetCode 23 Solution

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Merge K Sorted Lists - LeetCode 23 Solution

The LeetCode 23 problem, “Merge K Sorted Lists,” is a classic example that tests your ability to implement optimized algorithms for merging lists. Let’s explore the problem statement, analyze its solutions, and discuss their time and space complexities. Problem Statement for Merge K Sorted Lists You are given an array of k linked lists, where … Read more

3Sum Leetcode | Leetcode 15 Solution

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The 3Sum problem is a popular coding challenge on LeetCode that tests your ability to implement efficient algorithms for finding combinations. This blog will walk you through various approaches, from the brute force method to optimized solutions, with complete explanations, time complexities, and Java implementations. Problem Statement 3Sum: Given an integer array nums, return all … Read more