Problem 2193. Mysterious digits operation (easy)

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

Solution Comments

Problem Recent Solvers311

Suggested Problems

• Rotate input square matrix 90 degrees CCW without rot90

  669 Solvers

• Split a string into chunks of specified length

  2006 Solvers

• Count consecutive 0's in between values of 1

  495 Solvers

• Compute Fibonacci Number

  509 Solvers

• Area of a Square

  841 Solvers

More from this Author43

• Find Missing Number

  68 Solvers

• Decrypt the cypher using XOR encryption (for beginners)

  61 Solvers

• Expression or variable?

  22 Solvers

• Rank of magic square (for beginners)

  46 Solvers

• Find my secret number

  16 Solvers