Merge pull request #6 from saru95/master

Master
Swap 2^n and n!

Because 2^n = o(n!)
Update README.md
Fix GitHub link

The old link was relative to the current directory, thus giving a 404 error.
Merge pull request #7 from nagaaym/patch-1

Swap 2^n and n!
Merge pull request #8 from ProgVal/patch-1

Fix GitHub link
Merge pull request #9 from saru95/gh-pages

Merge