Problem 2193. Mysterious digits operation (easy)

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

Solution Comments

Problem Recent Solvers305

Suggested Problems

• surface of a spherical planet

  982 Solvers

• Space Saver

  492 Solvers

• Multiples of a Number in a Given Range

  783 Solvers

• Compare two input matrices

  362 Solvers

• Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock.

  951 Solvers

More from this Author43

• Negation and new variables

  21 Solvers

• Pandigital number n°2 (Inspired by Project Euler 32)

  65 Solvers

• BLOCK x3 (Version 3)

  8 Solvers

• Pandigital number n°1 (Inspired by Project Euler 32)

  110 Solvers

• Numbers spiral diagonals (Part 1)

  223 Solvers