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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Problem Comments
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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.
Solution Comments
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Project Euler II
- 12 Problems
- 51 Finishers
- Sums of cubes and squares of sums
- Sum of big primes without primes
- Project Euler: Problem 11, Largest product in a grid
- Highly divisible triangular number (inspired by Project Euler 12)
- Divisors for big integer
- Large Sum (inspired by Project Euler 13)
- Longest Collatz Sequence
- Project Euler: Problem 16, Sums of Digits of Powers of Two
- Project Euler: Problem 18, Maximum path sum I
- Recurring Cycle Length (Inspired by Project Euler Problem 26)
- Numbers spiral diagonals (Part 1)
- Numbers spiral diagonals (Part 2)
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