bash-busybox, 208 bytes

Result

AC

Duration

1386ms

Code [DL]

IFS= read -r a;read f;while IFS= read -r b;do
echo "$a"
f="$b"
g="$f"
done;echo "$a";c=`echo "$a"|sed -r 's/T.+$/T/'`;d=`echo "$g"|sed -r 's/K.+$/K/'`;printf "$d";printf "*%.s" `eval echo {1..$[${#c}-${#d}]}`

stdin

                 T                                
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
  K                                               

stdout

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

stderr

strace