sqlite3, 157 bytes

Result

AC

Duration

979ms

Code [DL]

with x as(select v,substr(v,3)-2 j,v k from i union select v,j,k-1 from x where k-1)select printf('*%.'||j||'c*',case when(k in(1,v))then'*'else' 'end)from x

stdin

13
32

stdout

********************************
*                              *
*                              *
*                              *
*                              *
*                              *
*                              *
*                              *
*                              *
*                              *
*                              *
*                              *
********************************

stderr