Beginner

DSA Foundations

A practical start to complexity, arrays, strings, recursion, and the problem-solving loop used in technical interviews.

COURSE SIGNAL

6 weeks

estimated pace

32 lessons

guided curriculum

Beginner

recommended level

BY THE END

You will be able to:

Analyze time and space complexity

Use patterns for arrays and strings

Write recursive solutions with confidence

Build an interview-ready problem routine

CURRICULUM

The problem-solving operating system

5 lessons · 42 min

Arrays, strings, and two pointers

10 lessons · 2h 10m

Recursion and backtracking

9 lessons · 1h 48m

First interview problem set

8 lessons · 2h 35m

Begin with a short practice mission, then follow the course at your own pace.