Data Structure & Algorithm

Top 10 Courses to Learn Data Structures & Algorithms (DSA)

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Data Structures and Algorithms Specialization – Coursera (by UC San Diego)

  • Covers basics to advanced topics
  • Practice on real coding platforms
  • Hands-on coding assignments
  • Taught by world-class professors
  • Shareable certificate
9.6

1

9.6
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Data Structures and Algorithms Specialization – Coursera (by UC San Diego)

  • Covers basics to advanced topics
  • Practice on real coding platforms
  • Hands-on coding assignments
  • Taught by world-class professors
  • Shareable certificate
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Master the Coding Interview: Big Tech DSA – Udemy

  • Best for FAANG interview prep
  • 200+ challenges
  • Focus on time/space complexity
  • Beginner to expert
  • Lifetime access
9.4

2

9.4
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Master the Coding Interview: Big Tech DSA – Udemy

  • Best for FAANG interview prep
  • 200+ challenges
  • Focus on time/space complexity
  • Beginner to expert
  • Lifetime access
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Algorithms and Data Structures MicroMasters – edX (UC San Diego)

  • Deep academic content
  • Rigorous assignments
  • Industry-recognized credential
  • Projects + quizzes
  • Self-paced
9.2

3

9.2
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Algorithms and Data Structures MicroMasters – edX (UC San Diego)

  • Deep academic content
  • Rigorous assignments
  • Industry-recognized credential
  • Projects + quizzes
  • Self-paced
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Scaler Academy DSA Course

  • Taught by ex-Google engineers
  • Real-time doubt support
  • 1-on-1 mentorship
  • Coding challenges and contests
  • Job referrals
9.5

4

9.5
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Scaler Academy DSA Course

  • Taught by ex-Google engineers
  • Real-time doubt support
  • 1-on-1 mentorship
  • Coding challenges and contests
  • Job referrals
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Data Structures & Algorithms – Coding Ninjas

  • Structured path for C++/Java/Python
  • 100+ hours content
  • Industry mentors
  • Live + recorded sessions
  • Interview prep
9.0

5

9.0
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Data Structures & Algorithms – Coding Ninjas

  • Structured path for C++/Java/Python
  • 100+ hours content
  • Industry mentors
  • Live + recorded sessions
  • Interview prep
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DSA Self-Paced Course – GeeksforGeeks

  • Affordable
  • Beginner-friendly
  • Hands-on problems
  • MCQ-based assessments
  • Flexible pace
8.8

6

8.8
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DSA Self-Paced Course – GeeksforGeeks

  • Affordable
  • Beginner-friendly
  • Hands-on problems
  • MCQ-based assessments
  • Flexible pace
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InterviewBit Free DSA Track

  • Free & gamified
  • Excellent for interview prep
  • Daily streaks and contests
  • Level-wise learning
  • Trusted by 1M+ users
9.0

7

9.0
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InterviewBit Free DSA Track

  • Free & gamified
  • Excellent for interview prep
  • Daily streaks and contests
  • Level-wise learning
  • Trusted by 1M+ users
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Data Structures in JavaScript – freeCodeCamp

  • 100% Free
  • Hands-on coding
  • Learn with JS
  • Great for web dev
  • Community support
8.6

8

8.6
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Data Structures in JavaScript – freeCodeCamp

  • 100% Free
  • Hands-on coding
  • Learn with JS
  • Great for web dev
  • Community support
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DSA Premium Guide – LeetCode

  • Best for interview questions
  • Curated company sets
  • Timed mock interviews
  • Weekly contests
  • Track progress
9.3

9

9.3
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DSA Premium Guide – LeetCode

  • Best for interview questions
  • Curated company sets
  • Timed mock interviews
  • Weekly contests
  • Track progress
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AlgoExpert – DSA + Systems Design

  • 150+ DSA problems
  • Expert video explanations
  • Built-in IDE & tests
  • Real-world interview focus
  • Bonus: Behavioral prep
9.1

10

9.1
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AlgoExpert – DSA + Systems Design

  • 150+ DSA problems
  • Expert video explanations
  • Built-in IDE & tests
  • Real-world interview focus
  • Bonus: Behavioral prep

FAQ – Frequently Asked Questions

What are Data Structures and Algorithms (DSA)?

Data Structures are ways to organize and store data efficiently. Algorithms are step-by-step procedures or formulas for solving problems using data structures. Together, DSA helps in solving complex problems efficiently and is crucial in software development and programming.

Learning DSA improves your problem-solving skills, helps you write optimized code, and is essential for technical interviews in top tech companies like Google, Amazon, and Microsoft.

  • Array: Fixed size, fast random access, slow insertion/deletion

  • Linked List: Dynamic size, slow access, fast insertion/deletion

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