Generate Permutations

What Type? (Choose one)
All permutations of {1,2,..., n}. All k-permutations of {1,2,...,n}. All permutations by Transpositions

Input: (1 <= k <= n <= 20)
n =	k =

Output (Choose one or more):
One line notation Permutation matrix (chess board)

Notes:

This page created by Frank Ruskey, June 1996.