Create print_permutations_1_to_n.cpp

[Ultra980]

This prints the permutations of the array [ 1, 2, 3, ..., n ], in lexicographical order.

I am creating a pull request for...

• [x] New algorithm
• [ ] Update to an algorithm
• [ ] Fix an error
• [ ] Other - Describe below

[christianbender]

From line 4: Can you set the constant NMAX to a smaller value? Or even better use a container class like “vector”?

[christianbender]

Please also remove lines 8 and 9