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

• Sort a list of complex numbers based on far they are from the origin.

  5810 Solvers

• Convert given decimal number to binary number.

  2346 Solvers

• Matlab Basics II - Minimum

  400 Solvers

• Divisible by 4

  374 Solvers

• Number of Even Elements in Fibonacci Sequence

  1679 Solvers

More from this Author43

• Return a list sorted by number of consecutive occurrences

  437 Solvers

• Getting the indices from a matrix

  731 Solvers

• Pandigital number n°3 (Inspired by Project Euler 32)

  45 Solvers

• Pandigital number n°1 (Inspired by Project Euler 32)

  117 Solvers

• Generalised Hamming Number

  362 Solvers