Data Structures & Algorithms
00:05:00
Ready to improve your coding skills? Our Free Data Structures & Algorithms Certification Course is useful for anyone wanting to learn the fundamentals of DSA. Whether you're a beginner or looking to improve your skills, we'll take you through fundamental concepts like arrays, linked lists, stacks, queues, and more complex topics like trees and graphs.
You'll also learn about important sorting, searching, and dynamic programming methods, as well as how to use Big-O Notation to optimize your code. By the end, you'll be confident in tackling problems efficiently and prepared for coding interviews or competitions.
In addition, you will receive a Certification to show your DSA skills & stand out in the tech industry. Ready to start? This course is aimed at advancing your coding skills!
Course Features: Free Data Structures & Algorithms Certification Course
DSA and Big O
Array
Array Questions
String
Linear Search
Binary Search
Arrays Searching
Bubble, Selection and Insertion Sort
Merge, Quick and Counting Sort
Bucket, Find Kth Element and Find Pages
Stack
Queue
Data Structures & Algorithms
00:05:00
Big O in Data Structure
00:06:00
Array in Data Structures
00:07:00
String in Data Structure
00:02:00
Linear Search in Data Structure
00:02:00
Binary Search in Data Structure
00:02:00
Bubble Sort in Data Structure
00:03:00
Selection Sort in Data Structure
00:02:00
Insertion Sort in Data Structure
00:03:00
Merge Sort in Data Structure
00:03:00
Quick Sort in Data Structure
00:02:00
Counting Sort in Data Structure
00:03:00
Bucket Sort in Data Structure
00:03:00
Heap Sort in Data Structure
00:04:00
Shell Sort in Data Structure
00:03:00
Radix Sort in Data Structure
00:02:00
Stack in Data Structure
00:04:00
Queue in Data Structure
00:04:00
Java: Count the frequency of an element in an Array
00:20:00
Java: Ceiling in a Sorted Array
00:25:00
Java: Two Sum
00:30:00
Java: Reverse a Stack using Recursion
00:25:00
Java: Find next right node of a given key
00:30:00
Java: Big-O-Binary Search Algorithm
00:15:00
Java: Traversing directory in Java using BFS
00:20:00
Java: Delete consecutive same words in a sequence
00:25:00
Java: Merge Sorted Arrays
00:25:00
Java: Count 1’s in a Sorted Binary Array
00:20:00
Java: Find all triplets with zero sum
00:20:00
Java: Leaders in an array
00:20:00
Java: Find a Fixed Point (Value equal to Index) in given Array
00:25:00
Java: Search Insert Position
00:25:00
Java: Sort a Stack using another stack
00:30:00
Java: Minimum time required to rot all oranges
00:40:00
Java: Next Greater Element
00:30:00
Java: First Bad Version
00:30:00
Java: Search an Element in a Sorted and Rotated Array
00:30:00
Java: Meeting Rooms
00:25:00
Java: Merge Two Sorted Arrays
00:20:00
Java: Two Elements whose Sum is Closest to Zero
00:30:00
Java: Find Peak Element
00:30:00
Java: Trapping rain water
00:30:00
Java: Largest rectangle in histogram
00:25:00
Java: Search in Rotated Sorted Array
00:25:00
Java: Search in an Almost Sorted Array
00:25:00
Java: Minimum Number of Jumps to Reach End in Array
00:25:00
Java: Move all Zeros to the beginning of an array
00:25:00
Java: Median of Two Sorted Arrays of Different Sizes
00:30:00
Java: 3 Sum
00:25:00
Java: Search a 2D Matrix
00:20:00
Java: A Pair with a Given Sum in the Rotated Sorted Array
00:25:00
Java: Remove Duplicates from an Array
00:20:00
Java: Rotate a Matrix by 90 degrees
00:25:00
Java: Sort Elements by Frequency
00:30:00
Java: Find Minimum in Rotated Sorted Array
00:25:00
Java: Find Minimum in Rotated Sorted Array II
00:35:00
Java: Sort a Linked List of 0s, 1s and 2s
00:35:00
Java: Rotate an Array to the left
00:20:00
Java: Camel Case of a given Sentence
00:20:00
Java: Find Missing Elements of a Range
00:25:00
Java: Sort a Nearly Sorted (or K sorted) Array
00:20:00
Java: Count ways to increase LCS length of two Strings by one
00:25:00
Java: Minimum rotations required to get the same string
00:15:00
Java: Chocolate Distribution Problem
00:30:00
Java: Minimum Swaps required to convert binary tree to binary search tree
00:30:00
Java: Multiply Large Numbers represented as Strings
00:25:00
Java: Find Itinerary from a given list of tickets
00:25:00
Java: Count Distinct Occurrences as a Subsequence
00:30:00
Java: Sort a Matrix in all way Increasing Order
00:20:00
Java: Find the length of the largest subarray with 0 Sum
00:25:00
Java: Longest Increasing Consecutive Subsequence
00:25:00
Java: Find Whether an Array is a Subset of Another Array
00:20:00
I have attend the ASP.NET MVC 5 Development course with Project. I have four years of experience, even I wanted to brush-up myself, came to Mr. Shailendra Chauhan, whose training is Amazing, superb, simple understandable to others, Thank you Sir. And I aspect that Scholarhat Provides Same quality of training in future.
The online training in this course set a good foundation that can be applied practically. The online classes were brilliant and Mr. Shailendra took each class with lot of examples and explanations. his style of training was easily understandable and informative. The course was very useful for me to develop .net MVC, RAZOR framework and Web API applications. All sessions are interactive sessions, and Mr. Shailendra answered all the questions raised during the online training. The course fee is very nominal and the course really helps me in understanding the developing the .net Applications.
It was a very good experience to take training at Scholarhat. I got what i wanted to learn in MVC. The project that we completed during the training was very helpful. Shailendra Sir's teaching method is awesome. He has In-depth knowledge of technology and is very cooperative.
It has been a great learning experience at Scholarhat Trainer is quit professional and focuses on concepts until we gain the confidence. All the materials shared are good sources for any level of professionals. This session boosts my career and knowledge. From past few months I am eager to learn MVC 5. But I was confused. When I reached Scholarhat. I gained various technologies practical experience. I learned Angular 2 & 4 MVC5, Web API. I also got what is going on current development and future development of technology, I have got Vast experience and knowledge. But really I got what I wanted from Scholarhat. Thank you all thanks Scholarhat staff for your coordination, and your encouragement.
Dear Shailendra Sir, this training helped me lot for improving my skills and I also learn so many new technologies. During training, I got hike in my current company. Shailendra Sir doing a great job and he explains every topic briefly, it’s very helpful to clear so many doubts. Yes, I also want to learn new technology in future from Shailendra Sir. Thank you Very Much Sir.
Our comprehensive course covers fundamental and advanced data structures and algorithms (DSA), including arrays, linked lists, stacks, queues, trees, graphs, and dynamic programming. Designed for beginners, it provides a solid foundation in DSA principles.
Absolutely! Upon completing all modules and passing the final assessment, you'll receive a certificate of completion from ScholarHat to showcase your skills.
The course is structured to be completed in 21 days, with approximately 1–2 hours of study per day. However, it's self-paced, allowing you to learn at your own convenience.
The course primarily uses C and C++ for demonstrating DSA concepts. However, the principles taught are applicable across various programming languages.
Mastering DSA is crucial for technical interviews and problem-solving in software development roles. This course equips you with the necessary skills to excel in coding interviews and enhance your programming proficiency.
Yes! All our listed courses are completely free. You can access all learning materials, videos, and resources without paying a single rupee.
Anyone! Whether you're a beginner with no coding experience or someone looking to upskill, our courses are designed for all levels.
Absolutely. Every course includes step-by-step guidance, real-life examples, and practice projects to help you learn effectively from scratch.
Yes, all our courses are fully self-paced. You can learn anytime, anywhere, and from any device that suits you.
Our focus is on job-ready skills. The courses are built to teach industry-relevant knowledge that employers value, including hands-on coding and real-world projects.
Yes! Along with courses, we offer career resources like interview prep eBooks, resume tips, and mock interview support.
While free courses provide strong fundamentals, combining them with real-world projects, internships, and advanced practice can significantly boost your chances of landing a job.