Problem 2193. Mysterious digits operation (easy)

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

Solution Comments

Problem Recent Solvers315

Suggested Problems

• Is the Point in a Triangle?

  1711 Solvers

• Set some matrix elements to zero

  621 Solvers

• Find max

  11535 Solvers

• Check that number is whole number

  5188 Solvers

• Converting binary to decimals

  1693 Solvers

More from this Author43

• Return a list sorted by number of consecutive occurrences

  427 Solvers

• Two functions (to be sure)

  19 Solvers

• Mirror, mirror on the wall, who is fairest of them all?

  18 Solvers

• BLOCK x3 (Version 1)

  9 Solvers

• Rank of magic square (for beginners)

  46 Solvers