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Week 49

Sunday, December 7, 2025
•
1:00 PM - 3:00 PM GMT

Session #49

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

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Algorithms

4 problems

1

39. Combination Sum

2

658. Find K Closest Elements

3

3440. Reschedule Meetings for Maximum Free Time II

4

3592. Inverse Coin Change

Frontend

3 challenges

1

97. compress a string

2

98. validate an IP address

3

Build a "Pixel Art" Grid: Create an 8x8 grid of squares. Allow the user to click-and-drag across the grid to "paint" squares (change their background color).

Architecture

2 topics

1

Schema Management (e.g., Avro, Protobuf)

2

Design a Data Pipeline (ETL)

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