One case not passing

#1

All test case are passing but
one test case is not giving any output

#2

send me the code link

#3
#4

in case there is no valid path
u need to print -1 on console

u have missed that condition

#5

oops i missed that
but i kept waiting for your reply for to much time

#6

sorry for the delay.
hope now ur code will work