Real-time systemsMediumSDE-2

In a fantasy cricket app, 2 million users are in one mega contest. Every ball changes player points, and users want to see their live rank. How do you compute and push leaderboard updates?

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Dream11JioHotstar

Think first

Answer out loud as you would in the room — clarify, give numbers, name the trade-off — then compare with the model answer.

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