Project 31: Permutations and Combinations
Project 31: The variables 'n' and 'k' are initialized. There is also a working method called factorial.
factorial(n) returns the value of n!
Example: factorial(4) returns 24
Task: Appropriately initialize the variables 'perm and 'comb' that represent nPk and nCk, respectively.
**If your code works for 5 test cases in a row, you can enter your e-mail address.