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
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2 Comments
Mai Zhang
on 5 Aug 2020
Just commenting to earn the badge, sorry for spamming lol
Dyuman Joshi
on 17 Jan 2023
Would be interesting to see a solution approach
- without using perms()
- on cases with big numbers where using perms is not viable.
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