Coding challenge for you guys:

Create a javascript function that takes in integer, n, and prints (or console.log) all possible arrangements of the alphabet letters of length n.

Example:
if n = 1, then it'll just print a,b,c,d...z
if n = 2, then it'll print, aa,ab,ac,ad....ba,bb,bc..zz
if n = 3, it'll print aaa,aab,aac... and so on

Question

Coding challenge for you guys:

Create a javascript function that takes in integer, n, and prints (or console.log) all possible arrangements of the alphabet letters of length n.

Example:
if n = 1, then it'll just print a,b,c,d...z
if n = 2, then it'll print, aa,ab,ac,ad....ba,bb,bc..zz
if n = 3, it'll print aaa,aab,aac... and so on

mhchen · Answer

Hint: 
Let _ represent a position
then if n = 4, then it's ( _ _ _ ) +  ( _ ) = ( _ _ ) + ( _ ) + ( _ ) = ( _ ) + ( _ ) + ( _ ) + ( _ )
and we know ( _ ) = a,b,c,d...