I have a problem with Question should be write in C++
>>>>
encrypt the message
intr Univer is best
using a double transposition cipher with 4 rows and 4 columns, using the row permutation
(1, 2, 3, 4) → (2, 4, 1, 3)
and the column permutation
(1, 2, 3, 4) → (3, 1, 2, 4)