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Email Filing

USACO · 2022 · February · silver-3

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simulation

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

sample trace

Email Filing: simulation walkthrough

Email Filing: use the linked editorial?s simulation idea on the published sample, then verify the displayed output.

Published input6 5 5 1 1 2 3 4 5 5 5 1 1 2 3 5 4 5 5 1 1 2 4 5 3 5 5 2 1 2 4 5 3 3 10 2 1 3 2 1 3 2 1 3 2 1 3 10 1 1 3 2 1 3 2 1 3 2 1modelAlgorithm ideaRepresent the current situation as a state and apply each operation in the exact order given by the task.task resultExpected outputYES YES NO YES YES NO
  1. 1

    Initialize

    Record the starting values from the sample input.
  2. 2

    Apply

    Perform each required operation and update the state.
  3. 3

    Observe

    Read the final state or event count required by the task.
  4. 4

    Verify the sample

    Use the published sample output to check the result of this idea on the displayed input.
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