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Minimize the absolute difference on path from first column to the last column

Last Updated: 29 February 2024

Given an integer matrix mat[][] with N rows and M columns. The task is to minimize the absolute difference between the maximum and minimum elements visited along the path...read more

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Data Structures

two-pointer-algorithm

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Winning Game by replacing numbers with factors (Brain Game)

Last Updated: 19 May 2024

Given 2 players A and B take turns alternatively to play a game in which they have N numbers on a paper. In one turn, a player can replace one of the numbers by any of its...read more

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Data Structures

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Expected number of coins after K moves

Last Updated: 09 April 2024

Given an undirected graph of V nodes and E edges and an array coins[] of size V, such that coins[i] = number of coins present at ith node. Initially, choose any node unifo...read more

Dynamic Programming

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Data Structures

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Get Second Largest Number in Python List Using Bubble Sort

Last Updated: 28 April 2025

Finding the second-largest number in a list is a common programming task that involves sorting the list in ascending order. Bubble sort is a simple sorting algorithm that ...read more

Data Structures

Binary Search Tree In Python

Last Updated: 10 February 2025

A Binary search tree is a binary tree where the values of the left sub-tree are less than the root node and the values of the right sub-tree are greater than the value of ...read more

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Data Structures

Printing Hierarchical Structure with Numbering and Indentation

Last Updated: 14 May 2024

Consider the below diagram , which shows a sort of hierarchical organization for a company . Electronics R'Us has four departments namely RD , Sales, Purchasing , Manufact...read more

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Data Structures

Linked List Data Structure

Last Updated: 09 July 2025

A linked list is a fundamental data structure in computer science. It mainly allows efficient insertion and deletion operations compared to arrays. Like arrays, it is als...read more

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Data Structures

Venice Technique

Last Updated: 17 July 2024

Venice Technique is a strategy where we create a new data structure called Venice Set that mainly helps to answer range queries which involves updating all elements by a c...read more

Data Structures

Last Minute Notes (LMNs) – Data Structures with Python

Last Updated: 24 January 2025

Data Structures and Algorithms (DSA) are fundamental for effective problem-solving and software development. Python, with its simplicity and flexibility, provides a wide r...read more

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Data Structures

Commonly Asked Data Structure Interview Questions on Strings

Last Updated: 28 February 2025

Strings are essential data structures used to represent sequences of characters and are frequently encountered in coding interviews. Questions often focus on string manipu...read more

Data Structures

Commonly Asked Data Structure Interview Questions on Bit Manipulation

Last Updated: 19 June 2025

Bit manipulation is a powerful technique often used in technical interviews to optimize space and time complexities by directly working with the binary representations of ...read more

Data Structures

Practice Problems on Advance Data Structure and Aglorithms

Last Updated: 06 March 2025

Advanced data structures like Trie, Segment Tree, and Binary Indexed Tree significantly enhance performance for specific problem types. They offer efficient solutions for ...read more

Advanced Data Structure

Data Structures

Introduction and Array Implementation of Deque

Last Updated: 12 March 2025

A Deque (Double-Ended Queue) is a data structure that allows elements to be added or removed from both ends—front and rear. Unlike a regular queue, which only allows inser...read more

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Data Structures

Standard Library for Deque Operations

Last Updated: 27 March 2025

A deque (double-ended queue) is a data structure that allows elements to be added or removed from both ends, providing greater flexibility than a standard queue. It combin...read more

Data Structures

Websites & Apps

Fill and Empty a Queue

Last Updated: 04 April 2025

Given an empty queue and an array of elements, we need to perform the following two operations.1. Filling a QueueFilling a queue refers to the process of adding array elem...read more

Data Structures

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