Please tell me the error

#1
#2

Hey @adarshsingh2k
Correction in line 25

if(d==-1)

#3

What if i dont want to use -1 .

#4

Then you have to change the way of taking input

#5

what will be the code then

#6

It depends on how you are taking input
Dont worry you will learn multiple ways of taking input in coming lectures and questions