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

• So many choices

  476 Solvers

• Area of an equilateral triangle

  6904 Solvers

• Let's get back to school, and create multiplication tables

  241 Solvers

• Negative Infinity

  345 Solvers

• Write a function man that takes a row vector v and returns a matrix H as follows..

  650 Solvers

More from this Author43

• BLOCK x3 (Version 3)

  11 Solvers

• Expression or variable?

  24 Solvers

• Find Missing Number

  69 Solvers

• Magic is simple (for beginners)

  11561 Solvers

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

  15 Solvers