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Problem 2848. Digital Neighbourhood

Given a natural number reorder its digits to create another number, closest to the given one.

Examples:

  • 123 gives 132,
  • 1 gives 10,
  • 1099 gives 991
Solve

Solution Stats

54.9% Correct | 45.1% Incorrect
Last Solution submitted on Nov 12, 2019

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number theory pop series