Problem 2193. Mysterious digits operation (easy)

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

Solution Comments

Problem Recent Solvers294

Suggested Problems

• Find common elements in matrix rows

  2674 Solvers

• Back to basics 21 - Matrix replicating

  1658 Solvers

• Who has power to do everything in this world?

  454 Solvers

• Find the hypotenuse

  677 Solvers

• Array of Ones

  459 Solvers

More from this Author43

• Sum of big primes without primes

  143 Solvers

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

  13 Solvers

• Find files with extension ext in the current directory

  33 Solvers

• Magic is simple (for beginners)

  9991 Solvers

• Permute diagonal and antidiagonal

  466 Solvers