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Data Structures & Algorithms

Learn the pattern, not the problem.

39 topics — 15 foundation modules, then 24 interview patterns — ordered so nothing needs what comes after it. Every unit opens in place to show the lectures inside it, what each one covers and how much of it is written.

  • 42 units · 39 topics
  • 170 lessons
  • 24 patterns
  • 40+ hours
  • 9,400+ enrolled

The 1,262 practice problems stay free on the DSA Sheet

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Curriculum42 units

Practiceon the DSA Sheet →

39 topics shipped as 42 units across eight tracks — Graphs is one topic split into four parts. Two foundation tracks teach the language and the primitives; six pattern tracks follow the stage order, so every unit only uses what the units before it taught.

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