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Question of the Day

A fresh coding challenge every day. Solve it, earn OA Coins, extend your streak, and unlock rewards.

Question of the day

Thursday, Sep 10

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Daily rewards

Up to 8 coins a day

  1. Show up

    +1 coin

    Visit once a day

  2. First solve

    +2 coins

    Solve any other question

  3. Daily question

    +5 coins

    Complete today's challenge

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Good to know

  • Every day at midnight UTC. The countdown above shows how long the current one stays open.

  • No. Coins stay in your balance until you spend them in the store.

  • Yes. Past questions stay in the archive, but the daily bonus applies only to the current one.