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

• Find the two-word state names

  1224 Solvers

• Solve the Sudoku Row

  1073 Solvers

• Project Euler: Problem 4, Palindromic numbers

  1299 Solvers

• Find the largest value in the 3D matrix

  1689 Solvers

• Draw a 'X'!

  1040 Solvers

More from this Author43

• Rank of magic square (for beginners)

  48 Solvers

• Numbers spiral diagonals (Part 2)

  214 Solvers

• Numbers spiral diagonals (Part 1)

  312 Solvers

• I want to know everything!

  13 Solvers

• Clear all empty variables from the workspace

  11 Solvers