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Favorite Colors

USACO · 2020 · US Open · gold-2

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sample trace

Favorite Colors: sample trace

Trace this official sample for Favorite Colors: use the task rules to map the shown input to the expected output.

Published input9 12 1 2 4 2 5 8 4 6 6 9 2 9 8 7 8 3 7 1 9 4 3 5 3 4modelAlgorithm ideaApply the task rule to this published instance, preserving the relationships defined by the statement.task resultExpected output1 2 3 1 1 2 3 2 3
  1. 1

    Read the sample

    Use the official example for Favorite Colors as the concrete instance.
  2. 2

    Follow the task relation

    Apply the exact rule in the official statement to the displayed values.
  3. 3

    Check the result

    Verify that the final value matches the published expected output.
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