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Milk Visits

USACO · 2019 · December · silver-3

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

sample trace

Milk Visits: sample trace

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

Published input5 5 HHGHG 1 2 2 3 2 4 1 5 1 4 H 1 4 G 1 3 G 1 3 H 5 5 HmodelAlgorithm ideaApply the task rule to this published instance, preserving the relationships defined by the statement.task resultExpected output10110
  1. 1

    Read the sample

    Use the official example for Milk Visits 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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