Doubt in pdf of comparators

#1

hey sir!!
I think u a got a mistake in making comparators pdf becoz the program of vector and string is same.
This is a part of Sorting and Searching

#2

@Tanish hey tanish can you please tell me more about it so that we can change the modification.

#3


see this link sorting based on string

#4

@sanjeetboora di help him out I can’t figure out what he trying to say