Problem 2193. Mysterious digits operation (easy)

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

Solution Comments

Problem Recent Solvers329

Suggested Problems

• Back to basics 7 - Equal NaNs

  433 Solvers

• Back to basics 8 - Matrix Diagonals

  973 Solvers

• "Low : High - Low : High - Turn around " -- Create a subindices vector

  590 Solvers

• Getting the indices from a matrix

  734 Solvers

• Generate N equally spaced intervals between -L and L

  956 Solvers

More from this Author43

• Mirror, mirror on the wall, who is fairest of them all?

  22 Solvers

• Permute diagonal and antidiagonal

  518 Solvers

• Chess ELO rating system

  100 Solvers

• BLOCK x3 (Version 4)

  8 Solvers

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

  120 Solvers