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Bigger Number With The Same Digits

Bigger Number With The Same Digits

Before you start the test, check out our tutorial challenge

Before you start the test, check out our tutorial challenge

~25MIN
Start: Oct 08, 2019
CODE CHALLENGE
  • Challenge outline
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Bigger Number With The Same Digits
  • Challenge outline
  • Tips
  • Leaderboard

Challenge overview

Hello and welcome to the challenge!


Write a code which receives a positive integer number and returns the next bigger number formed by the same digits. Return -1 if that's impossible.

Examples

  • solve(15) -> 51
  • solve(223) -> 232
  • solve(444) -> -1

Input

  • the given number

Output

  • the next bigger number made from the same digits or -1


You can solve this programming contest in C++, C#, Ruby, JavaScript, Python and many other languages. If you want, you can also take part in other September 2019 competitions. Below you can find some of them:


  • Passwords From Sentences
  • Increment An Array Of Digits
  • Name Initials


Have fun and good luck! :)

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