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Week 8

Sunday, February 22, 2026
•
1:00 PM - 3:00 PM GMT

Session #8

Join us for an intensive 2-hour deep dive covering algorithms, frontend development, and system architecture.

Algorithms

4 problems

1

498. Diagonal Traverse

2

7. Reverse Integer

3

176. Second Highest Salary

4

162. Find Peak Element

Frontend

3 challenges

1

15. implement a simple DOM wrapper...

2

16. create an Event Emitter

3

Build `useTimer`: Create a countdown timer hook. It should take a number of seconds and provide `[timeLeft, start, pause, reset]` functions.

Architecture

2 topics

1

SQL vs. NoSQL Databases

2

Design an E-commerce Inventory System

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