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Data Structures & Algorithms

University-level DSA course covering all the core data structures and algorithms required for CS degrees. Taught in Python with visual explanations of time/space complexity.

5(267 reviews)·500 enrolled·36 lessons·18h·Intermediate·English
AT
Alex T.
MSc Computer Science, Imperial College London
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36
Lessons
18h
Total duration
500
Students enrolled
5 ★
Average rating

What you will learn

Learning outcomes

  • Implement and analyse common data structures in Python
  • Derive Big-O time and space complexity for algorithms
  • Apply BFS/DFS to graph traversal problems
  • Solve dynamic programming problems using memoisation

Prerequisites

  • Python basics
  • Introductory CS module

Tags

DSAAlgorithmsPythonUniversityCS degreeBig-O

Course structure

Syllabus(5 modules)

  • Dynamic arrays
  • String manipulation
  • Two-pointer technique

Computer Science specialists

Who teaches your Computer Science course

Every expert is degree-verified and quality-tested before joining.

vishal jaiswal

V. jaiswal

VERIFIED
Computer Science & AI Expert | Python, ML||Data Science|| DSA, DBMS || Software Development
5.0· 13 orders

I am Vishal Jaiswal, a Computer Science professional with expertise in Artificial Intelligence, Machine Learning, Data Science, NLP, Python, Programming, and Software Development. I have completed and supported 3,000+ academic, research, and technical projects for students, researchers, startups, and professionals. Qualifications & Expertise Strong academic and professional background in Computer Science, AI, Machine Learning, Data Science, Software Development, and Programming, with extensive hands-on experience in real-world technical and research projects. Subjects & Technologies: Python | C | C++ | Programming Fundamentals | DSA | DBMS | Operating Systems | Computer Networks | Computer Organization & Architecture | Artificial Intelligence | Machine Learning | Deep Learning | NLP | Generative AI | LLMs & RAG | Data Science | Statistics | Mathematics | Cryptography | Cybersecurity | Prolog | Mobile App Development | Real-Time Systems | Programming Language Principles & Paradigms Services I Provide ASSIGNMENT PROJECTS REPORTS Liv Tutoring Session (1 to 1) Coding problem solving thesis writing Paper writing

PythonCC++Data Structures & Algorithms
On-time
13
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44 min
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$15–$30/hr
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Deepu Unnikrishnan

D. Unnikrishnan

VERIFIED
Cyber security artificial intelligence and drone warfare engineer Cyber security. Al. Networking
5.0· 18 orders

I am an experienced Cyber Security, Artificial Intelligence, and Drone Warfare Engineer with more than 4 years of professional experience. My expertise covers cyber security, AI, computer networks, cryptography, information security, Linux programming, prompt engineering, DevOps, web development, and computer science fundamentals. I support students and professionals with assignments, technical projects, research, lab reports, programming, presentations, and live tutoring. My focus is on providing clear technical guidance, practical problem-solving, and well-structured support across computer science and emerging technology subjects. Subjects Cyber Security | Artificial Intelligence | Drone Technology & Warfare | Computer Networks | Computer Fundamentals | Cryptography | Information Security | Network Security | Linux Programming | Prompt Engineering | DevOps | Network Analysis | Web Development | Computer Science | Data Structures & Algorithms | Python | Python for Data Science | HTML | CSS | JavaScript | Software & Frameworks | Ethical Hacking | AI Applications Services ✅ Assignments & Coursework Support ✅ Academic & Technical Project Support ✅ Programming & Code Debugging ✅ Cyber Security & Information Security Support ✅ Artificial Intelligence Projects ✅ Computer Networks & Network Analysis ✅ Cryptography & Security Projects ✅ Linux, DevOps & Framework Support ✅ Web Development Projects ✅ Prompt Engineering & AI Applications ✅ Lab Reports & Technical Documentation ✅ Research Paper Support ✅ Presentation Design & Technical Presentations ✅ Proofreading & Editing ✅ Live 1-to-1 Tutoring & Doubt Solving ✅ Exam Preparation & Concept Clarification

Assignments helpDissertation writingProofreading & EditingResearch writing& Powerpoint Presentation.
On-time
18
Orders
2.5 hr
Reply
$25–$50/hr
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Rahul Prajapat

R. Prajapat

VERIFIED
4.9· 11 orders

I’m a Software Engineer with 2+ years of industry experience and 6+ years of experience helping college students with programming, assignments, projects, exam preparation, and technical concepts. I specialize in Python, Java, Data Structures & Algorithms, OOP, DBMS, APIs, and Software Engineering. I’ve helped many students understand concepts clearly, prepare effectively, and achieve excellent results in their exams.

PythonJavaCC++
On-time
11
Orders
2.9 hr
Reply
$10–$15/hr
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Abhi

Abhi

VERIFIED
4.9· 10 orders

BITS Pilani graduate in Electronics and Electrical Engineering with minors in Maths/Physics and now with a strong focus on AI/ML/Agentic AI. I help students with clear, structured explanations and practical problem-solving, especially in STEM subjects. I have 7 years of experience delivering tutoring sessions and academic projects and thesis assistance(running into several hundreds now) for students from India and abroad including USA, Europe, Gulf Countries,Australia,etc. I got associated with FLN Tutors 6 months back and I have already delivered around 35+ projects. Beyond my own subject trong expertise in topics of Electronics and overlapping subjects from Computer Science I have a team of experts who can assist you in Core Computer Science Topics.

PythonMATLABSimulinkC
On-time
10
Orders
2.3 hr
Reply
$10–$35/hr
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Message
DS

Dr. V. Soni

VERIFIED
Data Science & AI Expert | Machine Learning, Python, Statistics & Analytics
4.9· 500 orders

I am a Data Science, AI & Machine Learning professional specializing in Python, Statistics, Data Analytics, Machine Learning, Deep Learning, NLP, Generative AI, LLMs, RAG, and Data Visualization. I support students, researchers, and professionals with assignments, final-year projects, research, programming, data analysis, technical reports, and live 1-to-1 sessions, providing practical guidance from planning and implementation to testing, documentation, and presentation. Services: • Assignments & coursework • Final-year / capstone projects • AI, ML, NLP & Data Science projects • Python programming & debugging • Statistical analysis, EDA & visualization • LLM, RAG & Generative AI applications • Thesis, dissertation & research support • Technical reports & documentation • Viva, exam & presentation preparation • Live 1-to-1 tutoring & consulting Subjects: Data Science | AI | Machine Learning | Python | Statistics | Mathematics | Deep Learning | NLP | Generative AI | Computer Science | DBMS | DSA | C | C++ | Operating Systems | Computer Networks

Python, Pandas, NumPy, Scikit-learn, TensorFlow, PyTorch, SQL, Statistics, Machine Learning, Deep Learning, NLP, LLMs, RAG, Data Visualization, Matplotlib, Power BI, SPSS, EDA, Regression, Classification, Clustering, Time Series Analysis, Hypothesis Testing, Data Cleaning, Model Evaluation, Research Analysis, Technical Reporting
99
On-time
500
Orders
15
Reply
15$/h
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Message
BRIAN DAVID AMAI

B. AMAI

VERIFIED
Technical networking and cybersecurity specialist
4.8· 20 orders

Technical networking and cybersecurity specialist focused on Enterprise Networking, Cloud & Multicloud Networking, Network Security, and Network Automation. My expertise spans Cisco networking, routing and switching, IPv4/IPv6, OSPF, network design and troubleshooting, cybersecurity operations, Kubernetes and cloud-native technologies, telecommunications, distributed computing, database systems, and software engineering. I combine industry-aligned certifications with hands-on labs, network simulations, engineering projects, software development, and technical peer support to deliver accurate, practical, and easy-to-understand solutions for complex technical subjects.

Powerpoint presentationLab report WritingLive tutor sessionDessertation
On-time
20
Orders
1.5 hr
Reply
$15–$50/hr
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Hiral Rao

H. Rao

VERIFIED
Master's degree in Mathematics with Computer Science
4.8· 12 orders

I hold a Master's degree in Mathematics with Computer Science and have experience teaching Mathematics to school students. I focus on building strong concepts through clear explanations, practical examples, and an interactive teaching approach.

Live tutoring sessionassignment help.
On-time
12
Orders
26 min
Reply
$15–$20/hr
Rate
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Shraddha Tripathi

S. Tripathi

VERIFIED
4.8· 13 orders

An experience of almost 6 years as an online tutor in math and text based coding in python to students aged 10 to 18 years of age

On-time
13
Orders
2.9 hr
Reply
$15–$25/hr
Rate
Message

Student reviews

What students say about Data Structures & Algorithms

Submitted a complex econometrics dissertation with 48 hours notice. The expert delivered exactly what I needed — properly cited, original, well-argued. Genuinely impressed.

MR
Marcus R.
Economics · University of Edinburgh
Dissertation

I was skeptical at first, but the quality review process convinced me. Got my CS assignment back with a proper explanation of the code too.

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Priya S.
Computer Science · University of Melbourne
Assignment

Used FLN three times now for my MBA coursework. The admin team is responsive and the expert they matched me with really understands business strategy.

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MBA · LSE
Coursework

My nursing care plan was detailed, evidence-based and formatted exactly to my university's guidelines. Revision turnaround was under 3 hours. Brilliant service.

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Nursing · Coventry University
Care Plan

The law essay was outstanding — every case cited correctly, strong argument structure throughout. It's clear the expert actually specialises in contract law.

TK
Tom K.
Law · King's College London
Essay
$13 – $28

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