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No Time to Paint

USACO · 2021 · January · silver-2

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

sample trace

No Time to Paint: sample trace

Trace this official sample for No Time to Paint: use the task rules to map the shown input to the expected output.

Published input8 2 ABBAABCB 3 6 1 4modelAlgorithm ideaApply the task rule to this published instance, preserving the relationships defined by the statement.task resultExpected output4 3
  1. 1

    Read the sample

    Use the official example for No Time to Paint 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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