Problem 2193. Mysterious digits operation (easy)

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

Solution Comments

Problem Recent Solvers327

Suggested Problems

• Number of 1s in the Binary Representation of a Number

  484 Solvers

• Project Euler: Problem 2, Sum of even Fibonacci

  2905 Solvers

• 02 - Vector Variables 1

  726 Solvers

• Length of the hypotenuse

  16949 Solvers

• Draw a 'Z'.

  934 Solvers

More from this Author43

• Find my secret number

  17 Solvers

• Find files with extension ext in the current directory

  37 Solvers

• BLOCK x3 (Version 4)

  8 Solvers

• Generalised Hamming Number

  362 Solvers

• Negation and new variables

  23 Solvers