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    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…

    Data Structures & Algorithms

    Floyd Warshall vs. Multi-Source Dijkstra | Two Ways to Solve All-Pairs Shortest Paths

    3 Mins Read

    Master Floyd Warshall for APSP and see when a Dijkstra-per-source loop beats it. Clear intuition, Python code, and complexity breakdown.…

    Data Structures & Algorithms

    Bellman Ford Algorithm | Distance from the Source Explained Step-by-Step

    3 Mins Read

    Bellman Ford Algorithm made easy: learn how to find shortest paths (and detect negatives) with clear intuition, commented Python code,…

    Data Structures & Algorithms

    Number of Ways to Arrive at Destination | Leetcode 1976 | Simple Dijkstra + Path-Counting Guide in Python

    4 Mins Read

    Learn how to solve Number of Ways to Arrive at Destination with Dijkstra’s algorithm while counting paths. Clear intuition, commented…

    Data Structures & Algorithms

    Minimum Multiplications to reach End | BFS Solution in Python

    3 Mins Read

    Solve Minimum Multiplications to reach End with a clean BFS, modular math, and commented Python code. Easy steps, dry run,…

    Data Structures & Algorithms

    Two Sum | Leetcode 1 | Explained with Images

    6 Mins Read

    Given an array of integers nums and an integer target, return indices of the two numbers such that they add up to target. You may…

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