Learn With Champak · 22 August 2026
Saturday Questions: Sliding Window & Two Pointers
Five progressive Python DSA problems on two pointers, fixed windows, variable windows and interview-style substring problems. Solve each one before opening its hint.
How to participate
- Attempt every problem before opening its hint.
- First write the straightforward approach, then look for repeated work.
- Test your Python program with the examples and your own edge cases.
- Send your solutions or questions to Champak Roy on WhatsApp.
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