hat is DSA? Algorithms are the steps
W
to solve a problem, and Data Structures
are the ways we organize data in a
computer.
Efficiency Matters: Introduction to
Big O Notation (Time & Space
Complexity). Explain O(1), O(n), and
O(n^2) simply.
Linear vs. Non-Linear: Difference between
structured data (Arrays, Linked Lists) and
hierarchical data (Trees, Graphs).