Should i use STL?

#1

Should I use STL for the linked list challenges?

#2

prefer not to use it, cause if you will use STL, you won’t be able to learn more.

#3

in placement drive, should i use STL and is it allowed?

#4

can i make a doubly linked list?

#5

each company has their own norms, can’t specify.
try to do it with single linked list if it’s mentioned in the question.