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Printing Sequences

USACO · 2025 · February · bronze-3

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sample trace

Printing Sequences: sample trace

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

Published input2 1 1 1 4 1 1 1 1 1 11 4 2 1 2 2 2 4 2 1 1 2 1 4 2 1 1 2 2 6 2 1 1 2 2 1 1 10 2 1 1 1 2 2 1 1 1 2 2 8 3 3 3 1 2 2 1 2 2 9 3 1 1 2 2 2 3 3 3 3 16 3 2 2 3 2 2 3 1 1 2 2 3 2 2 3 1 1 24 3 1 1 2 2 3 3 3 2 2 3 3 3 1 1 2 2 3 3 3 2 2 3 3 3 9 3 1 2 2 1 3 3 1 2 2 6 3 1 2 1 2 2 3modelAlgorithm ideaApply the task rule to this published instance, preserving the relationships defined by the statement.task resultExpected outputYES YES YES NO YES NO YES YES YES YES YES NO NO
  1. 1

    Read the sample

    Use the official example for Printing Sequences 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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