Problem 2193. Mysterious digits operation (easy)

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

Solution Comments

Problem Recent Solvers285

Suggested Problems

• Given a window, how many subsets of a vector sum positive

  851 Solvers

• Right Triangle Side Lengths (Inspired by Project Euler Problem 39)

  1788 Solvers

• Create an n-by-n null matrix and fill with ones certain positions

  602 Solvers

• Area of an Isoceles Triangle

  5521 Solvers

• Plot Damped Sinusoid

  8799 Solvers

More from this Author43

• Recycled Numbers (CodeJam Qualification Round 2012)

  22 Solvers

• Find Missing Number

  63 Solvers

• BLOCK x3 (Version 4)

  5 Solvers

• Decrypt the cypher using XOR encryption (for beginners)

  44 Solvers

• Find the path through the cell

  41 Solvers