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It's All About the Base

USACO · 2015 · January · bronze-3

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sorting

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sample trace

It's All About the Base: sorting walkthrough

It's All About the Base: use the linked editorial?s sorting idea on the published sample, then verify the displayed output.

Published input1 419 792modelAlgorithm ideaSort by the task-relevant key so the ordering exposes candidates that can be checked locally.task resultExpected output47 35 SOLUTION NOTES: The number 8892, written in base 47, is 419. Written in base 35, it is 792.
  1. 1

    Order

    Sort items by the comparison key used by the task.
  2. 2

    Scan

    Inspect the ordered neighbors or groups and update the candidate result.
  3. 3

    Finish

    Use the final aggregate or selected item as the answer.
  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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