Problem 2193. Mysterious digits operation (easy)

 0    -> 0
 1    -> 9
 121  -> 9
 44   -> 6
 15   -> 5
 1243 -> 7
 ...

Solution Comments

Problem Recent Solvers310

Suggested Problems

• Make a Palindrome Number

  2446 Solvers

• Back to basics 6 - Column Vector

  1087 Solvers

• We love vectorized solutions. Problem 1 : remove the row average.

  869 Solvers

• Swap two numbers

  756 Solvers

• Sum the 'edge' values of a matrix

  384 Solvers

More from this Author43

• Without the French accent please!

  225 Solvers

• Decrypt the cypher using XOR encryption (for beginners)

  60 Solvers

• Return a list sorted by number of consecutive occurrences

  422 Solvers

• Generalised Hamming Number

  353 Solvers

• I want to know everything!

  11 Solvers