Fix typo.
Fix indentation.
Add Eulerian path.
Merge commit '62c33984c5813b68c8071355ff43ec80b3d35b10' into lluis
Fix indentation.
Fix indentation xdxd
Reduce length of code.
Add Euler func.
Ported Dynamic Programming section to Java.
Add some newpage and multicols
Merge branch 'lluis'