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Counting Liars

USACO · 2022 · US Open · bronze-2

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sample trace

Counting Liars: sample trace

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

Published input2 G 3 L 5 2 G 3 L 2modelAlgorithm ideaApply the task rule to this published instance, preserving the relationships defined by the statement.task resultExpected output0 1
  1. 1

    Read the sample

    Use the official example for Counting Liars 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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