Challenge locked

🧠 DSA Battle

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Everyone who joins gets the same questions. Next you'll see the rules: 10 minutes, camera on, full screen. Copy, paste, leaving, or going back is a violation. 3 strikes and you're out.

1. 1. Which structure gives average O(1) lookup?
2. 2. A stack removes from:
3. 3. Binary search needs data that is:
4. 4. The room locks questions so that: