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    Data Structures & Algorithms

    4Sum | Leetcode 18 | Explained in Python

    7 Mins Read

    The LeetCode “4Sum” problem asks you to find all unique quadruplets in an integer array nums such that Key details:…

    Data Structures & Algorithms

    3Sum | Leetcode 15 | Explained in Python

    6 Mins Read

    LeetCode #15 “3Sum” asks you to find all unique triplets (i, j, k) in an integer array such that The…

    Data Structures & Algorithms

    Spiral Matrix | Leetcode 54 | Explained in Python

    3 Mins Read

    LeetCode “Spiral Matrix” (#54) asks you to return all the elements of an m × n matrix in clock-wise spiral…

    Data Structures & Algorithms

    Rotate Image | Leetcode 48 | Explained with Images

    4 Mins Read

    LeetCode “Rotate Image” (#48) asks you to rotate an n × n square matrix 90° clockwise in-place (i.e., without returning…

    Data Structures & Algorithms

    Set Matrix Zeroes | Leetcode 73 | Explained

    7 Mins Read

    If you’re preparing for coding interviews, the “Set Matrix Zeroes” problem is a must-know! In this blog, we’ll explain the…

    Data Structures & Algorithms

    Longest Consecutive Sequence | Leetcode 128

    7 Mins Read

    Struggling with the “Longest Consecutive Sequence” problem on LeetCode? This blog will help you understand the problem, walk you through…

    Data Structures & Algorithms

    Rearrange Array Elements by Sign | Leetcode 2149

    6 Mins Read

    Are you struggling with the “Rearrange Array Elements by Sign” problem on LeetCode? Don’t worry! In this blog, we’ll break…

    Data Structures & Algorithms

    Best Time to Buy and Sell Stock | Leetcode 121 | Explained with Images

    10 Mins Read

    You are given an array prices where prices[i] is the price of a given stock on the ith day. You want to maximize your profit by…

    Data Structures & Algorithms

    Maximum Subarray | Kadane’s Algorithm | From Brute Force to Optimal

    3 Mins Read

    Explore the Maximum Subarray problem with a brute-force triple loop, a quadratic improvement, and the optimal Kadane’s Algorithm, all with…

    Data Structures & Algorithms

    Find the City With the Smallest Number of Neighbors at a Threshold Distance | Floyd Warshall vs. Dijkstra

    3 Mins Read

    Learn to solve “Find the City With the Smallest Number of Neighbors at a Threshold Distance” using Floyd Warshall or…

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