sqlite3, 163 bytes

Result

AC

Duration

895ms

Code [DL]

with x(v,j,k)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

44
29

stdout

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

stderr