Problem 2193. Mysterious digits operation (easy)

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

Solution Comments

Problem Recent Solvers330

Suggested Problems

• Nearest Numbers

  5165 Solvers

• Get the area codes from a list of phone numbers

  1076 Solvers

• Solve the Sudoku Row

  1073 Solvers

• Return unique values without sorting

  1025 Solvers

• Draw a 'X'!

  1040 Solvers

More from this Author43

• BLOCK x3 (Version 3)

  11 Solvers

• BLOCK x3 (Version 1)

  11 Solvers

• Recycled Numbers (CodeJam Qualification Round 2012)

  25 Solvers

• Narcissistic number ?

  356 Solvers

• Numbers spiral diagonals (Part 1)

  312 Solvers