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Air Cownditioning

USACO · 2021 · December · bronze-2

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greedy · simulation

The organizer’s problem statement is available at the official source link.

sample trace

Air Cownditioning: greedy walkthrough

Air Cownditioning: use the linked editorial?s greedy, simulation idea on the published sample, then verify the displayed output.

Published input5 1 5 3 3 4 1 2 2 2 1modelAlgorithm ideaProcess choices in the order justified by the editorial and maintain the invariant that each accepted choice remains safe.task resultExpected output5
  1. 1

    Order

    Arrange candidates by the criterion used by the task?s greedy strategy.
  2. 2

    Choose

    Accept the next locally safe option while preserving the feasibility invariant.
  3. 3

    Finish

    Read the accumulated result and check it against the sample output.
  4. 4

    Verify the sample

    Use the published sample output to check the result of this idea on the displayed input.
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