Question 1

Write a brute force algorithm to generate all permutations or combinations of a given set of characters. Measure the time taken to brute force every possible permutation for the following character sets for a 4, 5, 6, 7 and 8 characters combination

Numbers only (0-9) .

Characters only case insensitive (a-z) .

Characters only case sensitive (a-z) .

Characters and numbers, case insensitive.

Characters and numbers, case sensitive .