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

• Simple equation: Annual salary

  4207 Solvers

• Beginner's Problem - Squaring

  794 Solvers

• Find my daddy long leg (No 's')

  2510 Solvers

• Draw 'J'

  973 Solvers

• Crop an Image

  7701 Solvers

More from this Author43

• Without the French accent please!

  218 Solvers

• Numbers spiral diagonals (Part 1)

  210 Solvers

• Clear all empty variables from the workspace

  10 Solvers

• Longest Collatz Sequence

  105 Solvers

• Can you beat the lottery again (for hardcore coder) ?

  14 Solvers