Problem 2193. Mysterious digits operation (easy)

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

Solution Comments

Problem Recent Solvers323

Suggested Problems

• Create a square matrix of multiples

  500 Solvers

• Is the Point in a Circle?

  631 Solvers

• Are all the three given point in the same line?

  603 Solvers

• Divisible by 5

  498 Solvers

• Square root

  2645 Solvers

More from this Author43

• Rank of magic square (for beginners)

  46 Solvers

• How to reverse spdiags?

  43 Solvers

• Additive persistence

  184 Solvers

• Return a list sorted by number of consecutive occurrences

  435 Solvers

• Getting the indices from a matrix

  726 Solvers