python3, 213 bytes

Result

WA

Duration

767ms

Code [DL]

n=0
t,k=0,0
while 1:
  n+=1
  l=input()
  if 'T' in l:
    t=l.index('T')
  if 'K' in l:
    k=l.index('K')
    break
print(' '*k,'*'*(t-k),'T',sep='')
for i in range(n-1):
  print(' '*~-k,'*')
print(' '*~-k,'K')

stdin

                                               T  
                                                  
  K                                               

stdout

  *********************************************T
  *
  *
  K

stderr

strace

11    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7fff8d373200 /* 7 vars */) = 0
12    execve("/bin/cat", ["cat", "-"], 0x55aec0761d38 /* 7 vars */ <unfinished ...>
13    execve("/usr/bin/python3", ["/usr/bin/python3", "/volume/CODE"], 0x55aec0761d50 /* 7 vars */ <unfinished ...>
12    <... execve resumed> )            = 0
13    <... execve resumed> )            = 0
12    +++ exited with 0 +++
11    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
13    +++ exited with 0 +++
11    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
11    +++ exited with 0 +++