ocaml, 176 bytes

Result

AC

Duration

792ms

Code [DL]

open String
let l=ref 0
let rec r()=let s=read_line()in
print_endline(let i=try index s 'K'with _->try l:=index s 'T';!l with _-> !l in make i ' '^make(!l-i+1)'*');r()let()=r()

stdin

                                              T   
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
  K                                               

stdout

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

stderr

Exception: End_of_file.

strace